Impossible Diamond Color Quiz
Test your ability to sort diamonds by color with our fun and quick Diamond Color Sorting Quiz. Learn a thing or two about diamond colors while you do.
All The Gems & Jewelry Worn To King Charles III’s Coronation
May 18, 2023 Earlier this month, some of the world’s most brilliant gems got to shine in the limelight of...
What are Balas Rubies and Ruby Spinels?
For centuries, balas rubies were prized by royalty. Learn what happened after gemologists identified these gems as red spinels instead....
What Gems Kate Princess of Wales Will Wear to King Charles III’s Coronation
May 4, 2023 Photo Credit: Shutterstock/Featureflash Photo Agency The coronation of King Charles III is going to be a glittering...
The Gems Queen Camilla May Wear to King Charles III’s Coronation
May 3, 2023 This week, the United Kingdom won’t just crown a new King, but a new Queen. We already...
Appraising emeralds is a key skill for all jewelers and gemologists. Learn how to evaluate the quality of these rare...
Insights on Gemstone Pricing
Gemstone pricing can vary greatly between dealers. Learn about the myriad factors that go into prices for both colored gems...
Polariscope Guide, Part 3: Testing for Gemstone Twinning, Dichroism, and Crystal Strain
You can use a polariscope to observe gemstone twinning, dichroism, and crystal strain. Test your ability to identify these and...
Scheelite Value, Price, and Jewelry Information
Large, faceted scheelites are among the most beautiful of all collector’s gemstones. They occur in many colors and fluoresce very...
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