Gem Price Guide

This is a guide to gem values based upon qualitative evaluations of things like, cut clarity, and color. Those evaluations are inherently subjective, and therefore the values/prices derived from those evaluations are also subjective. Each market participant perceives the cut, clarity, and color of a given gem differently. Realize that buyers and seller often disagree about the quality of a given gemstone, and the price or value of a gem is what one willing buyer and one willing seller can actually agree upon. These values are just a guide. Color descriptions are listed for many gems. If you need help understanding them, see Evaluating Color – hue, tone, and saturation.

The values in our guide come from a variety of sources including primary and secondary gemstone dealers, jewelers, miners, and wholesale suppliers of commonly traded gemstones. You should keep in mind that gems are sold outside these price ranges every day. Prices listed are retail. Wholesale is generally one third of retail. High-end gems are often marked up 30% or less, while low-priced more “commercial quality” gems are often marked up considerably more.

The price your gem will sell for is based upon several factors. Quality is one of the most important factors in valuing a gem. Subtle variations in quality can make a substantial difference in the price, especially of high-end gems. Unless you are familiar with all the subtle nuances of color, cut and clarity you will not be able to accurately judge the value of a gem even with this guide (you should consider getting an appraisal, which is a service IGS provides). Few people have the experience to do this accurately and that includes most jewelers. There are no laws or regulations regarding gem appraisals. Many people write appraisals that do not have the experience to arrive at an accurate value. Still others capitalize on the lack of regulation and purposely write appraisals at highly inflated values. Do not give much merit to an appraisal unless it is from a highly respected organization or a reputable gem dealer who knows market prices and deals in the gem material they are valuing.


  • Actinolite Value

    Cut Weight Price
    Cat’s Eye 1 carat $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: June 7, 2014
    Filed under: Actinolite
  • Agate Value

    Cabochons All Sizes
    Agate $.50 to $⊝⊝⊝/ct 
    Fire Agate $⊝⊝⊝ to $⊝⊝⊝/ct 
    Blue Chalcedony $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: June 2, 2014
    Filed under: Agate, Chalcedony, Fire Agate
  • Alexandrite Value

    Top Color: G 5/2 and R or slpR 5/3

    Faceted to .5 carat .5 to 1 carat 1 carat plus
    Top Red/Green $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝,000,000/ct 
    Medium Red/Green $⊝⊝⊝ to $⊝⊝⊝ $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝,000/ct 
    Slight Red/Green $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 

     

    Cabochons .3 to 1.5 carat 1.5 carats plus
    Strong red/green $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝,000/ct 

     

    Cat’s Eye All sizes
    Strong red/green $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)
    Last Updated On: April 25, 2014
    Filed under: Alexandrite
  • Allanite Value

    All sizes
    Faceted to $⊝⊝⊝/ct 
    Cabochons to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: July 20, 2013
    Filed under: Allanite
  • Amber Value

    Cabochons All sizes
    Faceted $⊝⊝⊝ to $⊝⊝⊝/ct 
    With bugs $⊝⊝⊝ to $⊝⊝⊝/ct 
    Plain Cabochons $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: June 1, 2014
    Filed under: Amber
  • Amethyst Value

    Top Color: P, bP 7/5

    Faceted .5 to 1 carat 1 carat plus
    Siberian $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Medium $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Light $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 

     

    Cabochons 1 carat plus
    Dark $⊝⊝⊝ to $⊝⊝⊝/ct 
    Medium $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: May 19, 2014
    Filed under: Amethyst
  • Ammolite Value

    All sizes
    Naturals $⊝⊝⊝ to $⊝⊝⊝/ct 
    Doublets $⊝⊝⊝ to $⊝⊝⊝/ct 
    Triplets $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: March 16, 2014
    Filed under: Ammolite (Ammonite)
  • Andalusite Value


    Top Color: YG 5/2 and O 5/4

    Faceted 1 to 4 carats 4 carats plus
    Top color $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝,000/ct 
    Medium color $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: June 1, 2014
    Filed under: Andalusite
  • Anglesite Value

    Faceted 10 carat plus
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: December 18, 2013
    Filed under: Anglesite
  • Apatite Value

    Faceted .3 to 1 carat 1 to 3 carats 3 carats plus
    “Neon Blue” $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Brazil Blue $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Blue Cat’s Eye 3 carats plus
    to $⊝⊝⊝/ct 

    OTHER COLORS

    Faceted All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: March 12, 2014
    Filed under: Apatite
  • Apophyllite Value

    Faceted 3 to 10 carats
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: April 16, 2014
    Filed under: Apophyllite
  • Aquamarine Value

    Top Color: GB 4/4

    Faceted .5 to 1.5 carats 1.5 to 3 carats 3 carat plus
    Dark $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Medium $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Light $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝ to $⊝⊝⊝/ct 
    Cabochons All Sizes
    Plain $⊝⊝⊝ to $⊝⊝⊝/ct 
    Cat’s Eye $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: March 14, 2014
    Filed under: Aquamarine, Beryl
  • Aragonite Value

    Faceted 5 carats plus
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: July 12, 2013
    Filed under: Aragonite
  • Axinite Value

    Faceted 1 to 5 carats
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: May 24, 2014
    Filed under: Axinite
  • Azurite Value

    Cabochons All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: July 4, 2013
    Filed under: Azurite
  • Barite Value

    Faceted 1 carat plus
    Yellow $⊝⊝⊝ to $⊝⊝⊝/ct 
    Colorless to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: July 18, 2013
    Filed under: Barite
  • Benitoite Value

    Faceted .1 to .5 carats .5 to 1 carat 1 carat plus
    $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝,000/ct 

    (learn more)

    Last Updated On: June 1, 2014
    Filed under: Benitoite
  • Beryl Value

    Red .1 to 1 carat 1 carat plus
    $⊝⊝⊝ to $⊝⊝⊝,000/ct  to $⊝⊝⊝,000/ct 

    Fine Color Morganite: slpR 3/4

    Morganite 1 to 10 carats 10 carat plus
    $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 

    Fine Color Yellow: Y 4/4

    Gold & Yellow 1 to 10 carats 10 carat plus
    $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 

    Fine Color Green: slyG 4/3

    Green 1 to 20 carats 20 carats plus
    $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Goshenite All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: August 23, 2013
  • Brazilianite Value

    Faceted 1 carat plus
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: May 15, 2014
    Filed under: Brazilianite
  • Burma Ruby Value

    Certified origin. Untreated material.
    Average brilliancy of 30 to 40%. Add up to 20% or deduct to 10% for other cutting.
    Prices for ovals and cushions. Add 7% to 10% for rounds, pears, marquis. Add 15% to30% for emerald cuts.

    Top Color: R 6/6
    No trade data available. The record price for a ruby is now $⊝⊝⊝,000 per carat.

    Very Good Color: R 5/6, 7/5; slpR 5/6, 6/6, 7/5; stpR 6/6.

    Very Good Color .5 to .75 carat .75 to 1 carat 1 to 2 carats 2 carats plus
    VVS $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,500/ct  $⊝⊝⊝,000 to $⊝⊝⊝,000/ct  to $⊝⊝⊝,000/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,600/ct  $⊝⊝⊝,000 to $⊝⊝⊝,500/ct  to $⊝⊝⊝,000/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,000/ct  to $⊝⊝⊝,000/ct 

    Good Color: R 6/5; slpR 6/5; stpR 5/6

    Good Color .5 to .75 carat .75 to 1 carat 1 to 2 carats 2 carats plus
    VVS $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,000/ct  to $⊝⊝⊝,000/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,800/ct  to $⊝⊝⊝,000/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,700/ct  to $⊝⊝⊝,000/ct 

    Fair Color: R 5/5, 6/4, 7/4; slpR 5/5, 6/4, 7/4.

    Fair Color .5 to .75 carat .75 to 1 carat 1 to 2 carats 2 carats plus
    VVS $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝,000/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝,000/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝,000/ct 

    Other Rubies

    Heat treated material.
    Average brilliancy of 40 to 60%. Add up to 20% or deduct to 10% for other cutting.
    Prices for ovals and cushions. Add 7% to 10% for rounds, pears, marquis. Add 15% to 30% for emerald cuts.

    Top Color: R 6/6
    No trade data available.

    Very Good Color: R 5/6, 7/5; slpR 5/6, 6/6, 7/5; stpR 6/6.

    Very Good Color .5 to .75 carat .75 to 1 carat 1 to 2 carats 2 carats plus
    VVS $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,400/ct  to $⊝⊝⊝,500/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,350/ct  to $⊝⊝⊝,200/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝,500/ct 

    Good Color: R 6/5; slpR 6/5; stpR 5/6.

    Good Color .5 to .75 carat .75 to 1 carat 1 to 2 carats 2 carats plus
    VVS $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝,400/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝,800/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝,200/ct 

    Fair Color: R 5/5, 6/4, 7/4; slpR 5/5, 6/4, 7/4.

    Fair Color .5 to .75 carat .75 to 1 carat 1 to 2 carats 2 carats plus
    VVS $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝,500/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Cabochons .5 to 1 carat over 3 carats
    $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Star Ruby .5 to 1 carat 1 to 2 carats 3 to 6 carats
    Near top color $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Indian Rubies All sizes
    $⊝⊝⊝ to $⊝⊝⊝.ct

    (learn more)

    Last Updated On: January 22, 2014
  • Bytownite Value

    Faceted 1 to 3 carats
    TO $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: May 8, 2014
    Filed under: Bytownite, Feldspar
  • Calcite Value

    Faceted 5 to 100 carats
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: October 30, 2013
    Filed under: Calcite
  • Celestine Value

    Faceted All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: June 16, 2013
    Filed under: Celestine
  • Celestite Value

    Faceted All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: September 14, 2013
    Filed under:
  • Cerussite Value

    Faceted 5 carats plus
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: October 12, 2013
    Filed under: Cerussite
  • Chambersite Value

    Faceted .10 carats plus
    to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: March 4, 2014
    Filed under: Chambersite
  • Chrysoberyl Value

    Top Color: styG, YG, gY 3/4

    Faceted 1 to 7 carats
    Color Change $⊝⊝⊝ to $⊝⊝⊝,000/ct 
    Fine Green $⊝⊝⊝ to $⊝⊝⊝/ct .
    Bright Yellow $⊝⊝⊝ to $⊝⊝⊝/ct 
    Brownish Yellow $⊝⊝⊝ to $⊝⊝⊝/ct 
    Cat’s Eye All sizes
    $⊝⊝⊝/ct  to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: September 12, 2013
    Filed under: Alexandrite, Chrysoberyl
  • Chrysocolla Value

    Sillicated All sizes
    Solid Color $⊝⊝⊝ to $⊝⊝⊝/ct 
    Parrot Wing $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: April 18, 2014
    Filed under: Chrysocolla
  • Chrysoprase Value

    Cabochons All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: January 18, 2014
    Filed under: Chalcedony, Chrysoprase
  • Cinnabar Value

    Cabochons All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: September 3, 2013
    Filed under: Cinnabar
  • Citrine Value

    Top Color: O 6/4

    Faceted .5 to 1 carat 1 carat plus
    Madeira $⊝⊝⊝ to $⊝⊝⊝/ct 
    Orange $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Yellow $⊝⊝⊝ to $⊝⊝⊝ $⊝⊝⊝ to $⊝⊝⊝/ct 
    Gold $⊝⊝⊝ to $⊝⊝⊝ $⊝⊝⊝ to $⊝⊝⊝/ct 
    Cabochons .5 to 1 carat 1 carat plus
    Yellow to Orange $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: January 15, 2014
    Filed under: Citrine
  • Colored Diamonds Value

    Black Diamonds .6 – .10 carats .10 – .24 carats .25 to .33 carats .35 to .50 carats .51 to .74 carats 1 carat +
    $⊝⊝⊝ – 120/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct 

    Note: these prices are for natural black diamonds. Most black diamonds on the market are treated to color. Their value is in the tens of dollars per carat.

    Brown Diamonds .33 to .9 carats 1 to 1.5 carats
    VS2 $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    SI2 $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    I1 $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Natural Fancy Colors .1 to .99 carats 1 carat plus
    Yellow/Brown $⊝⊝⊝ to $⊝⊝⊝/ct 
    Yellow SI to I1 $⊝⊝⊝ to $⊝⊝⊝/ct 
    Yellow SI1 to VVS2 $⊝⊝⊝ to $⊝⊝⊝,000/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Orange SI1 to I1 $⊝⊝⊝ to $⊝⊝⊝/ct 
    Irridated Fancy Colors .1 to .99 carats 1 carat plus
    Yellow SI1 to I1 $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Green SI1 to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Blue SI1 to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Pink SI1 to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: April 9, 2014
    Filed under: Diamond
  • Conch Pearls Value

    All sizes
    $⊝⊝⊝ to $⊝⊝⊝,000/ct 

    (learn more)

    Last Updated On: April 6, 2014
  • Coral Value

    Cabochons All sizes
    Red $⊝⊝⊝ to $⊝⊝⊝/ct 
    Deep Pink $⊝⊝⊝ to $⊝⊝⊝/ct 
    Light Pink $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: December 20, 2013
    Filed under: Coral
  • Crocoite Value

    Faceted 5 to 10 carats
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: November 8, 2013
    Filed under: Crocoite
  • Cuprite Value

    Faceted 4 carats plus
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: September 16, 2013
    Filed under: Cuprite
  • Danburite Value

    Faceted 1 carat plus
    Pink $⊝⊝⊝ to $⊝⊝⊝/ct 
    Colorless $⊝⊝⊝ to $⊝⊝⊝/ct 
    Other Colors $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: February 16, 2014
    Filed under: Danburite
  • Datolite Value

    Faceted .5 to 1 carat 1 carat plus
    $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 

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    Last Updated On: May 12, 2014
    Filed under: Datolite
  • Diaspore Value

    Faceted 1 to 12 carats
    $⊝⊝⊝ to $⊝⊝⊝/ct 

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    Last Updated On: March 12, 2014
    Filed under: Diaspore
  • Diopside Value

    Chrome Diopside 1 to 2 carats 2 carats plus
    Faceted $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Black Star All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

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    Last Updated On: June 2, 2014
    Filed under: Diopside
  • Emerald Value

    Prices assume colorless clarity enhancement, (no dyes.)
    Average brilliancy of 40 to 60%. Add up to 20% or deduct to 10% for other cutting.
    Prices for emerald cuts, round, ovals and pear. Add to 10% for marquis.

    Top Grade: very light inclusions, vstbG 5/5; bG 5/5 or 6/5; vslbG 5/5.

    Top Grade .5 to .75 carat .75 to 1 carat 1 to 2 carats 2 carats plus
    VVS $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,900/ct  $⊝⊝⊝,000 to $⊝⊝⊝,500/ct  to $⊝⊝⊝,000/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,300/ct  $⊝⊝⊝,400 to $⊝⊝⊝,600/ct  to $⊝⊝⊝,500/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝,000/ct 

    Very Good Grade: very light to moderate inclusions, vstbG 6/5; bG 5/5, 4/5 or 6/4; vslbG 5/5, 6/5.

    Very Good Grade .5 to .75 carat .75 to 1 carat 1 to 2 carats 2 carats plus
    VVS $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,100/ct  $⊝⊝⊝,400 to $⊝⊝⊝,100/ct  to $⊝⊝⊝,000/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,000/ct  to $⊝⊝⊝,600/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 

    Good Grade: very light to moderate inclusions, vstbG 4/5, 5/4, 6/4; bG 3/5, 4/4, 5/3, 6/3, 7/4; vslbG 3/5, 4/4, 4/5, 5/3, 6/4; G 4/5, 5/4,5/5, 6/5.

    Good Grade .5 to .75 carat .75 to 1 carat 1 to 2 carats 2 carats plus
    VVS $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝,000/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 

    Fair Grade: moderate to prominent inclusions, vstbG 3/5, 4/4, 7/4; bG 3/4, 4/3, 7/3: vslbG 3/4, 6/3, 7/3, 7/4; G 3/5, 4/4, 5/3, 6/4.

    Fair Grade .5 to .75 carat .75 to 1 carat 1 to 2 carats 2 carats plus
    VVS $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Cat’s Eye .25 to 10 carats
    Medium to Dark $⊝⊝⊝ to $⊝⊝⊝,500/ct 
    Trapiche Emeralds All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 
    Cabochons .75 to 5 carats
    Medium to Dark $⊝⊝⊝ to $⊝⊝⊝,600/ct 

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    Last Updated On: August 31, 2013
    Filed under: Beryl, Emerald
  • Enstatite Value

    Faceted All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

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    Last Updated On: September 2, 2013
    Filed under: Enstatite
  • Epidote Value

    Faceted All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

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    Last Updated On: June 1, 2014
    Filed under: Epidote
  • Fluorite Value

    Faceted All sizes
    $.50 to $⊝⊝⊝/ct 

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    Last Updated On: January 9, 2014
    Filed under: Fluorite
  • Garnet Value

    Top Color: oR, R, PR, rP 6/4

    Almandine All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    Fine Color Andradite: G 5/4

    Andradite All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 
    Chrome Pyrope All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 
    Color Change .5 to 1 carat 1 to 6 carats
    Africa $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    US $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Demantoid to 1 carat 1 to 3 carats
    $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,000/ct 
    Grossular Garnet .5 to 1 carat 1 to 5 carats 5 carats plus
    Mint Green (Merlani) $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Yellow/Orange $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Yellow/Green $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Other colors $⊝⊝⊝/ct  $⊝⊝⊝/ct  to $⊝⊝⊝/ct 

    Fine Color Hessonite: yO 4/5

    Hessonite Garnet All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 
    Malaya Garnet .5 to 1 carat 1 to 5 carats 5 carats plus
    $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Mozambique All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 
    Mali Garnet All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    Fine Color Spessartite: O 4/5

    Mandarin Orange All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    Fine Color Pyrope: R 6/5

    Pyrope 1 carat plus
    $⊝⊝⊝/ct 

    Fine Color Rhodolite: rP, PR 6/5

    Rhodolite .5 to 1 carat 1 to 10 carats 10 carats plus
    Faceted $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Cabochons $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Spessartite Reds
    See Mandarin above
    .5 to 3 carats 3 to 6 carats
    Little 3 Mine $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    African $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Darker reds $⊝⊝⊝ to $⊝⊝⊝/ct 
    Star Garnet All sizes
    6 ray star $⊝⊝⊝ to $⊝⊝⊝/ct 
    4 ray star $⊝⊝⊝ to $⊝⊝⊝/ct 

    Fine Color Tsavorite: G 6/5

    Tsavorite .5 to 1 carat 1 to 2 carats 2 carats plus
    Faceted $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,000/ct 
    Uvarovite 10 carats plus
    Druzy $⊝⊝⊝ to $⊝⊝⊝/ct 
    Cabochons All Sizes
    Common red to purple $⊝⊝⊝ to $⊝⊝⊝/ct 

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  • Gold In Quartz Value

    Cabochons All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct .

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    Last Updated On: November 8, 2013
    Filed under: Quartz
  • Iolite Value


    Top Color: slvB 5/4

    Faceted Under 1 carat 1 to 3 carats 3 carats plus
    $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Colorless All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 
    Cabochons Under 1 carat 1 carat plus
    $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 

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    Last Updated On: March 7, 2014
    Filed under: Iolite
  • Kashmir Sapphire Value

    Certified origin. Untreated material.
    Average brilliancy of 40 to 60%. Add to 20% or deduct to 10% for other cutting.
    Prices for ovals and cushions. Add 8% to 10% for rounds and pears. Add 10% to 20% for emeralds and marquis.

    Top Grade: vB 5/6, 6/6. B 5/6, 6/6.

    Top Grade 1 to 2 carats 2 to 3 carats 3 to 4 carats 4 carats plus
    VVS $⊝⊝⊝,000 to $⊝⊝⊝,650/ct  $⊝⊝⊝,000 to $⊝⊝⊝,000/ct  $⊝⊝⊝,000 to $⊝⊝⊝,500/ct  to $⊝⊝⊝,000/ct 
    VS/SI $⊝⊝⊝,000 to $⊝⊝⊝,000/ct  $⊝⊝⊝,000 to $⊝⊝⊝,700/ct  $⊝⊝⊝,000 to $⊝⊝⊝,000/ct  to $⊝⊝⊝,000/ct 
    SI/I $⊝⊝⊝,000 to $⊝⊝⊝,000/ct  $⊝⊝⊝,000 to 24,600/ct  $⊝⊝⊝,000 to 27,600/ct  to $⊝⊝⊝,000/ct 

    Very Good Grade: V 4/6, 5/6, 6/5. bV 5/6, 6/6; vB 5/5, 4/6, 6/5.

    Very Good Grade 1 to 2 carats 2 to 3 carats 3 to 4 carats 4 carats plus
    VVS $⊝⊝⊝,000 to $⊝⊝⊝,300/ct  $⊝⊝⊝,600 to $⊝⊝⊝,400/ct  $⊝⊝⊝,000 to $⊝⊝⊝,000/ct  to $⊝⊝⊝,000/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝,100/ct  $⊝⊝⊝,000 to $⊝⊝⊝,700/ct  $⊝⊝⊝,000 to $⊝⊝⊝,000/ct  to $⊝⊝⊝,500/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝,300/ct  $⊝⊝⊝,000 to $⊝⊝⊝,000/ct  $⊝⊝⊝,400 to $⊝⊝⊝,600/ct  to $⊝⊝⊝,500/ct 

    Good Grade: V 4/5, 5/4, 5/5, 6/4, 6/5, 7/5; bV 4/5, 4/6, 5/4, 5/5, 5/4, 4/5; vB 3/5, 4/4, 6/3, 7/5, 5/4, 4/5; B 3/5, 4/4, 6/3, 7/5, 6/4, 5/4, 4/5.

    Good Grade 1 to 2 carats 2 to 3 carats 3 to 4 carats 4 carats plus
    VVS $⊝⊝⊝ to $⊝⊝⊝,200/ct  $⊝⊝⊝ to $⊝⊝⊝,700/ct  $⊝⊝⊝,000 to $⊝⊝⊝,000/ct  to $⊝⊝⊝,000/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,200/ct  $⊝⊝⊝,000 to $⊝⊝⊝,000/ct  to $⊝⊝⊝,000/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,500/ct  $⊝⊝⊝,000 to $⊝⊝⊝,000/ct  to $⊝⊝⊝,900/ct 

    Fair Grade: V 3/4, 3/5, 4/4, 4/3, 5/3, 6/3, 7/4; bV 3/5, 4/4, 5/3, 6/3, 7/4, 7/5; vB 3/4, 4/3, 7/4, 6/2, 5/3; B 3/4, 4/3, 7/4 6/2, 5/2, 5/3.

    Fair Grade 1 to 2 carats 2 to 3 carats 3 to 4 carats 4 carats plus
    VVS $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,200/ct  $⊝⊝⊝ to $⊝⊝⊝,500/ct  to $⊝⊝⊝,500/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,000/ct  to $⊝⊝⊝,000/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,500/ct  to $⊝⊝⊝,700/ct 

    Other Blue Sapphires

    Heat treated material. Average brilliancy of 40% to 60%. Add to 20% or deduct to 10% for other cutting.
    Prices for ovals and cushions. Add 8% to 10% for rounds and pears. Add 10% to 20% for emeralds and marquis.
    Note: If certified Burmese and untreated, add 50%, except fair or lower grades.

    Top Grade: vB 5/6, 6/6; B 5/6, 6/6.

    Top Grade 1 to 2 carats 2 to 3 carats 3 to 4 carats 4 carats plus
    VVS $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝,500/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝/ct 

    Very Good Grade: V 4/6, 5/5, 6/6; bV 5/6, 6/7; vB 5/5, 4/6, 6/5; B 4/6, 5/5, 6/5; vslgB 4/6, 5/6, 6/6.

    Very Good Grade .5 to .75 carat .75 to 1 carat 1 to 2 carats 2 carats plus
    VVS $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 

    Good Grade: V 4/5, 5/4, 5/5, 6/4, 6/5, 7/5; bV 4/5, 4/6, 5/4, 5/5, 6/4, 6/5; vB 3/5, 4/4, 6/3, 7/5, 5/4, 4/5; B 3/5, 4/4, 6/3, 7/5, 6/4, 6/4, 5/4, 4/5; vslgB 7/5, 5/4, 6/4, 4/5, 6/5, 5/5; gB 4/5, 5/5, 6/5.

    Good Grade .5 to .75 carat .75 to 1 carat 1 to 2 carats 2 carats plus
    VVS $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 

    Fair Grade: V 3/4, 3/5, 4/3, 4/4, 5/3, 6/3, 7/4; bV 3/5, 4/4, 5/3, 6/3, 7/4, 7/5; vB 3/4, 4/3, 6/2, 7/4, 5/3; B 3/4, 4/3, 7/4, 6/2, 5/2, 5/3; vslgB 3/4, 3/5, 4/3, 4/4, 5/3, 6/3, 7/4; gB 3/5, 4/4, 5/3, 5/4, 6/3, 6/4, 7/4; vstgB 4/4, 5/4, 6/4.

    Fair Grade .5 to .75 carat .75 to 1 carat 1 to 2 carats 2 carats plus
    VVS $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 

    Fancy Sapphires

    Average brilliancy of 30% to 40%. Add to 20% or deduct to 10% for other cutting.
    Prices for ovals and cushions. Add 7% to 10% for rounds, pears and marquis. Add 15% to 30% for emerald cuts.

    Pink Sapphire

    Top Color: stpR 3/6, 4/6; RP 4/6; rP 4/6
    No trade data available

    Very Good Color: slpR 4/6; stpR 4/5; RP 3/5, 4/4, 4/5; rP 3/5, 4/4, 4/5; P 4/5.

    Very Good Color .5 to .75 carat .75 to 1 carat 1 to 2 carats 2 carats plus
    VVS $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝,500/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 

    Good Color: slpR 3/5, 4/4, 4/5; stpR 3/4, 3/5, 4/4; RP 3/4, 4/3; rP 3/4, 4/3; P 3/4, 4/4.

    Good Color .5 to .75 carat .75 to 1 carat 1 to 2 carats 2 carats plus
    VVS $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 

    Fair Color: slpR 3/3, 4/3; stpR 3/4, 4/3; RP 2/3, 3/3; rP 2/3, 3/3; P 3/, 4/3.

    Fair Color .75 to 1 carat 1 to 2 carats 2 carats plus
    VVS $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    VS/SI $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    SI/I $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 

    Yellow Sapphire

    Top Color: Y 3/5; oY 3/5.
    Very Good Color: Y 3/4; oY 3/4.
    Good Color: Y 3/3, 4/4; oY 3/3, 4/4.
    Fair Color: Y 2/3, 4/3; oY 2/3, 4/3.

    Yellow Sapphire to 2 carats 2 carats plus
    Top Color $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Very Good Color $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Good Color $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Fair Color $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 

    Green Sapphire

    Top Color: vslbG 6/3, bG 6/3, G 6/3.
    Very Good Color: BG 6/3, vstbG 6/2, 5/3, 6/2; bG 4/3, 5/3, 6/3; vslbG 4/3, 5/3, 6/2; G 5/3, 7/3; slyG 5/3, 6/3; yG 6/3.
    Good Color: BG 4/3, 5/3, 6/2; vstbG 4/3, 5/3, 7/3; bG 4/2, 5/2, 7/3, G 5/2,6/2; slyG 5/2, 6/2, 7/3; yG 5/3, 6/2, 7/3; styG 5/3, 6/3; styG 5/3, 6/3.
    Fair Color: BG 4/2, 5/2; vstbG 4/2, 7/2; bG 3/2, 7/2; vslbG 7/2; G 4/2, 7/2; slyG 4/2, 7/2; yG 5/2, 7/3; styG 5/2, 6/2.

    Green Sapphire to 1 carat 1 carat plus
    Top Color $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Very Good Color $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Good Color $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Fair Color $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 

    Purple Sapphire

    Top Color: RP 6/6, 5/6; rP 6/6; P 6/6.
    Very Good Color: stpR 5/5, 6/5; RP 5/5, 6/5, 7/5; rP 5/6, 6/5; P 5/6, 6/5; bP 5/6, 6/5.
    Good Color: slpR 5/3, 6/3; stpR 5/4, 6/4, 7/4; RP 5/4, 6/3, 6/4, 7/4; rP 5/4, 5/5, 6/4, 7/5; P 5/4, 5/5, 6/4, 7/5; bP 4/5, 4/6, 5/5.
    Fair Color: .

    Purple Sapphire to 2 carats 2 carats plus
    Top Color $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Very Good Color $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Good Color $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Fair Color $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 

    Other Sapphires

    White Sapphire .5 to 3 carats 3 to 5 carats 5 to 15 carats
    $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Color Change Sapphire .5 to 1 carat 1 to 7 carats
    $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Blue Cabochons .5 to 1 carat 1 to 7 carats
    $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Star Sapphire .5 to 1 carat 1 to 5 carats
    Blue $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Fancy Colors $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Black $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: April 22, 2014
  • Kunzite Value

    Faceted 1 to 10 carats 10 carats plus
    $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: August 27, 2013
    Filed under: Kunzite
  • Lapis Lazuli Value

    Cabochons All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: January 21, 2014
    Filed under: Lapis Lazuli
  • Malachite Value

    Cabochons All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: March 15, 2014
    Filed under: Malachite
  • Moissanite Value

    Faceted .5 to 1 carat over 1 carat
    Colorless $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Green $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: September 20, 2013
    Filed under: Moissanite
  • Moldavite Value

    Faceted All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: May 31, 2014
    Filed under: Moldavite
  • Moonstone Value

    Rainbow Moonstone
    (Peristerite)
    .5 to .99 carats 1 to 7 carats
    Cabochons $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Labradorite 10 to 30 carats
    Cabochons $⊝⊝⊝ to $⊝⊝⊝/ct 
    White, including cat’s eyes All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 
    White – Adularescent All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 
    Other Colors All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: January 11, 2014
  • Opal Value


    Black Opal, tone N1 to N4

    Carat Weight Below commercial Commercial Good Fine Extra fine
    1 to 5 $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝,400/ct  $⊝⊝⊝,400 – $⊝⊝⊝,000/ct  $⊝⊝⊝,000 – $⊝⊝⊝,000/ct 
    5 to 10/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝,400/ct  $⊝⊝⊝,400 – $⊝⊝⊝,000/ct  $⊝⊝⊝,000 – $⊝⊝⊝,000/ct 
    10 + $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝,400/ct  $⊝⊝⊝,400 – $⊝⊝⊝,400/ct  $⊝⊝⊝,400 – $⊝⊝⊝,000/ct 

    Dark Opal, tone N5 to N6

    Carat Weight Below commercial Commercial Good Fine Extra fine
    1 to 5 $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝,200/ct  $⊝⊝⊝,200 – $⊝⊝⊝,000/ct  $⊝⊝⊝,000 – $⊝⊝⊝,000/ct 
    5 to 10/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝,200/ct  $⊝⊝⊝,200 – $⊝⊝⊝,000/ct  $⊝⊝⊝,000 – $⊝⊝⊝,000/ct 
    10 + $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝,200/ct  $⊝⊝⊝,200 – $⊝⊝⊝,600/ct  $⊝⊝⊝,600 – $⊝⊝⊝,400/ct 

    Light Opal, tone N7 to N9

    Body Tone Below commercial Commercial Good Fine Extra fine
    N7 $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝,000/ct  $⊝⊝⊝,000 – $⊝⊝⊝,400/ct 
    N8 $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝,200/ct 
    N9 $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝ $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct 

    Crystal Opal

    Carat Weight Below commercial Commercial Good Fine Extra fine
    1 to 5 $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝,000/ct  $⊝⊝⊝,000 – $⊝⊝⊝,000/ct 
    5 to 10/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝,000/ct  $⊝⊝⊝,000 – $⊝⊝⊝,400/ct 
    10 + $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝,000/ct  $⊝⊝⊝,000 – $⊝⊝⊝,000/ct 

    Boulder and Matrix Opal

    Carat Weight Below commercial Commercial Good Fine Extra fine
    1 to 5 $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct 
    5 to 10/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct 
    10 to 15 $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝,20/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct 
    15 + $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ – $⊝⊝⊝/ct 

    Composite Opals

    Doublets prices are usually 15% to 35% of the value of similar looking natural, (solid,) gem. However, they occasionally run as high as 50% of a natural opal if they are of exceptional quality.

    Triplets are only about 1% of the value of an equivalent natural and peak at $⊝⊝⊝.

    Contra Luz All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 
    Fire Opals, faceted .4 to 1 carat 1 to 5 carats 5 carats plus
    $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Fire Opals, Cabochons .4 to 2 carats 2 to 10 carats
    Solid $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    In Matrix $⊝⊝⊝ to $⊝⊝⊝/ct 
    Pink Opal All sizes
    $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: October 27, 2013
    Filed under: Opal
  • Peridot Value


    Top Color: yG 5/4

    Faceted .5 to 1 carat 1 to 3 carats 3 carats plus
    Eye Clean $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: January 5, 2014
  • Phenakite Value

    Faceted All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: May 16, 2014
    Filed under: Phenakite
  • Quartz Value


    Smoky Quartz All sizes
    Faceted $⊝⊝⊝ to $⊝⊝⊝/ct 
    Rose Quartz All sizes
    Faceted $⊝⊝⊝ to $⊝⊝⊝/ct 
    Rutilated & Tourmalated Quartz All sizes
    Faceted $⊝⊝⊝ to $⊝⊝⊝/ct 
    Cabochons $⊝⊝⊝/ct 
    Quartz with Lepidocrite All sizes
    Faceted or cabochon $⊝⊝⊝ to $⊝⊝⊝/ct 
    Star Quartz All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: June 28, 2013
  • Rhodochrosite Value

    Faceted All sizes
    Colorado $⊝⊝⊝ to $⊝⊝⊝/ct 
    African $⊝⊝⊝ to $⊝⊝⊝/ct 
    Cabochons All sizes
    Bulls eye $⊝⊝⊝ to $⊝⊝⊝/ct 
    Plain $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: July 17, 2013
    Filed under: Rhodochrosite
  • Sapphirine Value

    Faceted .5 to 1 carat 1 to 5 carats
    $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: March 23, 2014
    Filed under: Sapphirine
  • Scapolite Value

    Gold 1 to 3 carats 3 carats plus
    Faceted $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Purple .5 to 1 carat 1 carat plus
    Faceted $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Colorless 1 to 10 carats 10 carats plus
    Faceted to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 
    Cat’s Eye 1 to 10 carats
    $⊝⊝⊝ to $⊝⊝⊝/ct 
    Star 1 carat plus
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: October 4, 2013
    Filed under: Scapolite
  • Sphalerite Value

    Faceted 1 carat plus
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: January 4, 2014
    Filed under: Sphalerite
  • Spinel Value

    Fine Color Blue: B 5/5

    Blue .5 to 2 carats 2 to 4 carats 4 carats plus
    Faceted $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 

    Fine Color Red: R, slpR 5/5

    Red .2 to 1 carat 1 to 5 carats
    Faceted $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,000/ct 
    Pink .5 to 1 carats 1 to 3 carats 3 carats plus
    Faceted $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,000/ct  $⊝⊝⊝ to $⊝⊝⊝

    Fine Color Purple: P 5/5: P, rP, bP, V 5/4

    Purple .5 to 1 carats 1 to 3 carats 3 carats plus
    Faceted $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,800/ct  to $⊝⊝⊝,000/ct 

    Fine Color Orange: O, rO 5/5

    Other Colors .5 to 1 carats 1 to 5 carats 5 carats plus
    Faceted $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,000/ct 
    Star Spinel All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: November 16, 2013
  • Sugilite Value

    Faceted All sizes
    to $⊝⊝⊝/ct 
    Cabochons All sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: January 21, 2014
    Filed under: Sugilite
  • Sunstone Value

    Red, Green & Bicolored .10 to .99 carats 1 to 100 carats
    SI to clean $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Peach .5 to 20 carats
    SI to clean $⊝⊝⊝ to $⊝⊝⊝/ct .
    Schiller 1 carat plus
    SI to clean $⊝⊝⊝ to $⊝⊝⊝/ct 
    Yellow 1 carat plus
    SI to clean $⊝⊝⊝ to $⊝⊝⊝/ct 
    Cabochons All sizes
    Red to $⊝⊝⊝/ct 
    Schiller $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: May 22, 2014
    Filed under: Feldspar, Sunstone
  • Tanzanite Value


    Top Color: vB 6/5

    Faceted .5 to 1 carat 1 to 3 carats 5 carats plus
    SI to Clean $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: March 25, 2014
    Filed under: Tanzanite
  • Titanite Value

    Faceted .5 to 1 carats 1 to 10 carats 10 to 20 carats
    $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: February 24, 2014
    Filed under: Titanite
  • Topaz Value


    Top Color: oR, R 5/5

    Imperial .5 to 1 carat 1 to 3 carats 3 carats plus
    $⊝⊝⊝ – $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Pink .5 to 3 carat 3 carats plus
    $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 

    Top Color: vslgB, gB 5/5

    Blues & Colorless .5 to 1 carat 1 carat plus
    London Blue $⊝⊝⊝ to $⊝⊝⊝ $⊝⊝⊝ to $⊝⊝⊝/ct 
    Swiss Blue $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Sky Blue $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Colorless $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Other Colors All sizes
    Faceted $⊝⊝⊝ to $⊝⊝⊝/ct 
    Cabochons All sizes
    Blue $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: July 12, 2013
    Filed under: Topaz
  • Tourmaline Value


    Paraiba .4 to 2 carats 2 to 10 plus carats
    SI to Clean $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝,000/ct 

    Fine Color Blue: B 5/4

    Indicolite .4 to 2 carats 2 to 10 plus carats
    Faceted $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Cabochons $⊝⊝⊝ to $⊝⊝⊝/ct 

    Fine Color Red: R, slpR 6/5

    Rubelite .5 to 1 carat 1 to 5 carats 5 carats plus
    Reds $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Pinks $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 

    Fine Color Green: vstbG, BG, vslbG 5/4

    Chrome .5 to 1 carat 1 to 5 carats
    $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Other greens .5 to 2 carats 2 to 5 carats 5 carats plus
    $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 

    Fine Color Orange: O 4/5

    More Faceted Stones .5 to 1 carat 1 to 5 carats 5 plus carats
    Fancy Colors $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Watermelon $⊝⊝⊝ to $⊝⊝⊝ $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Other Multicolor $⊝⊝⊝ to $⊝⊝⊝ $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Cat’s Eye .5 to 1 carat 1 to 5 carats 5 plus carats
    $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Other Cabochons 1 to 5 carats 5 plus carats
    All colors $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: March 1, 2014
  • Turquoise Value

    Cabochons All Sizes
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: October 26, 2013
    Filed under: Turquoise
  • Wulfenite Value

    Faceted .5 to 1.5 carat
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: March 30, 2014
    Filed under: Wulfenite
  • Zircon Value

    Fine Color Red: oR 5/4

    Red 1 to 5 carats
    $⊝⊝⊝ to $⊝⊝⊝/ct 

    Fine Color Blue: vstgB 5/4

    Blue 1 to 5 carats 5 carats plus
    $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 

    Fine Color Green: slyG 5/3

    Green 1 to 5 carats 5 carats plus
    $⊝⊝⊝ to $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 

    Fine Color Yellow to Orange: rO 4/4

    Yellow to Orange .5 to 1 carat 1 to 20 carats
    Sold as “Gold” $⊝⊝⊝/ct  $⊝⊝⊝ to $⊝⊝⊝/ct 
    Other Colors 1 carat plus
    $⊝⊝⊝ to $⊝⊝⊝/ct 
    Cat’s Eye All sizes
    Blue $⊝⊝⊝/ct 

    (learn more)

    Last Updated On: March 19, 2014
    Filed under: Zircon


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