Gem Buying Guides
Detailed gem buying guides with example pictures and gem prices. Covers color, clarity, cut, weight, origin, values, wholsale and retail prices, and more.
Decorative, patterned forms of agate are excellent natural gems. Learn more about agate's mesmerizing patterns in our agate buying guide!
Vivid color change makes alexandrite one of the world’s most coveted stones. Our alexandrite buying guide can help you find the best gem for your budget.
One of the earliest known gems, amber’s bright sunshine hues delight and enthrall. Learn more about this ancient gem’s qualities in our amber buying guide.
Long valued for its purple color and symbolic associations, amethyst is a versatile gem. Our amethyst buying guide can help you pick an excellent stone.
No gem evokes the blue-green colors of the sea like aquamarine. Our aquamarine buying guide can help you choose the best gemstone for your jewelry project.
Citrine’s affordable autumn hues make it a great option for trendy jewelry. Read about the quality factors for this stylish gem in our citrine buying guide!
Our emerald buying guide can help you learn how these gems are graded, what to avoid, and how to identify a high quality stone or a bargain in the rough.
With so many colors and varieties available, garnet buying can be daunting. Whether starting your collection or completing it, our guide can help.
In this golden age of pearls, a wide variety of shapes, sizes, and colors are available. Our pearl buying guide can help you select a pearl you’ll love.
Deep-water coral displays bright, rich reds and delicate pinks. Our precious coral buying guide will help you choose a gem for your next jewelry piece.
Our sapphire buying guide can help you learn how sapphires are graded, what to avoid, and how to identify a high quality stone or a bargain in the rough.
Our indicolite buying guide can help you learn how these blue tourmalines are graded, what to avoid, and how to identify a high quality stone.
Our chrome tourmaline buying guide can help you learn how these gems are graded, what to avoid, and how to identify a high quality stone.
Although often overlooked, quartz is available in many styles at reasonable prices. Our crystalline quartz buying guide can help you pick your next piece.
Blue diamonds are among the rarest and most prized diamonds. Our blue diamond buying guide will help consumers understand the value factors for these gems.
Fancy colored yellow diamonds are becoming increasingly popular. Our yellow diamond buying guide has the information you need before your next purchase.
Our verdelite buying guide can help you learn how verdelites are graded, what to avoid, and how to identify a high quality stone or a bargain in the rough.
“The Stone of Heaven,” jade has an unmatched elegance. Learn more about the unique quality factors of both jadeite and nephrite in our jade buying guide.
Rare and fragile, kunzite challenges lapidaries and delights jewelry aficionados. Our kunzite buying guide can help you add this gem to your collection.
Our lapis lazuli buying guide can help you learn how to grade these gems, what to avoid, and how to identify a high quality stone or a bargain in the rough.
With sheen reminiscent of moonlight, moonstone is treasured across civilizations. Our moonstone buying guide can help you pick a gem for your next project.
Morganite has become a popular jewelry stone, especially for engagement rings. Our morganite buying guide can help you pick a great gem for any occasion.
Our opal buying guide can help you learn how opals are graded, what to avoid, and how to identify a high quality stone or a bargain in the rough.
Our Oregon sunstone buying guide can help you learn how these gems are graded and how to identify a high quality stone or a bargain in the rough.
Our peridot buying guide can help you learn how these gems are graded, what to avoid, and how to identify a high quality stone or a bargain in the rough.
Our rubellite buying guide can help you learn how rubellites are graded, what to avoid, and how to identify a high quality stone or a bargain in the rough.
Our ruby buying guide can help you learn how rubies are graded, what to avoid, and how to identify a high quality stone or a bargain in the rough.
Our sphalerite buying guide can help you learn how these gems are graded, what to avoid, and how to identify a high quality stone or a bargain in the rough.
Our spinel buying guide can help you learn how spinels are graded, what to avoid, and how to identify a high quality stone or a bargain in the rough.
More than just a simulant for sapphire, tanzanite’s vivid hues have stunned the gem world. Our tanzanite buying guide can help you find a gem you'll love!
Our topaz buying guide can help you learn how topazes are graded, what to avoid, and how to identify a high quality stone or a bargain in the rough.
Known for stunning, saturated hues, tourmaline is a colorful and modern gemstone. Read about quality factors for this gem in our tourmaline buying guide.
Revered for millennia, sky blue turquoise still has a dedicated following. Our turquoise buying guide can help you pick a gem for your next jewelry project.
Long valued for its brilliance, zircon is a natural and affordable beauty. Learn more about the quality factors for this gem in our zircon buying guide.
Stunning green hues and a brilliance that outshines diamond combine to make demantoids truly captivating. Read more in our demantoid garnet buying guide.
First-time gem buyers may not understand how choosing, rating, and grading diamonds work. Our complete guide explains and offers advice on all three.
Paraíba’s neon blue hues stunned the gem world in the 1980s. Read about the quality factors for this striking gem in our paraíba tourmaline buying guide.
Soft, violet-blue hues have made iolite a popular stone. Read about the quality factors for this trendy gem in our iolite buying guide.
Silky golden rutile inclusions in quartz have become quite popular. Read our rutilated quartz buying guide to help you choose a stone for your next project.
With bright rainbow iridescence, ammolite is sure to draw attention. Read about this gem’s unique quality factors before your next ammolite buying trip.
With only a few produced each year, pink diamonds are among the rarest gems on the planet. Learn how quality impacts cost for these rarities in our fancy colored pink diamond buying guide.
From bright, sunny colors to deep golden hues, yellow gemstones are warm and inviting. Learn how to assess the quality of yellow gems, and find out which ones won't scratch or break in a ring.
With bright, apple-green hues, chrysoprase makes an attractive, eye-catching jewelry stone. If you’re looking for a top-quality gem, read this guide before your chrysoprase buying trip to help you choose the best gem for your project.
Considering a conch pearl buying trip to the Caribbean? Quality factors for these gems differ from colored gemstones. Before you make a purchase, learn to evaluate their unique flame structure and other features.
The Four Cs of gem grading aren’t as distinct as they seem. Learn more about diamond carat weight and how it affects value, clarity, and color.
Diamond color is not as distinct from clarity, cut, and carat as it seems. Learn more about diamond color and how it affects quality and value.
Diamond cuts affect brilliance and fire, and a great cut can actually make it look larger. Learn the anatomy of a diamond and how labs grade cut quality.
Don't overspend on diamonds. Check out our diamond clarity chart to learn about the four most important factors impacting a stone's value.
Symbolic of sea and sky, blue has always been a popular color for gems. Learn how to assess color in blue gemstones and see which ones hold up best in rings and other jewelry.
What does a diamond cost? Why are they so expensive? Beyond factors of mining, cutting, grading, and setting, learn who or what sets diamond prices.
How can you find the right website when you’re buying diamonds online? Since everyone shops a little differently, see which of these diamond websites matches your shopper personality type.
How can you evaluate emerald quality? Emeralds have many properties to consider. In particular, clarity can be very complex for these gems. Navneet Gems & Minerals has proposed the following system in situations when factors such as color, cut, polish, and symmetry are equal.
Rare, beautiful, and expensive, sapphires will really wow when brides need “something blue.” When you’re shopping for sapphire engagement ring stones, some knowledge of this gem’s optical and physical properties, grading, and varieties might save you some time and money.
For thousands of years, garnets have symbolized love, life force, and victory — perfect associations for an engagement ring. This durable gemstone also comes in a wide variety of colors, not just classic red, many relatively affordable. Learn how to choose a garnet engagement ring stone that’s perfect for your big day.
Lovely orange-pink sunset and lotus hues define a padparadscha. Before your padparadscha sapphire buying trip, learn the quality factors for this stone and the controversy over its definition.
Looking for a fun summertime gem? Watermelon tourmaline adds a pop of color that's perfect for a playful summer look. Learn about the quality factors for this gem in our watermelon tourmaline buying guide.
Although natural pearls are extremely rare and expensive, the availability of cultured pearls makes it easier to buy this classic, elegant gem than ever before. However, before choosing a pearl engagement ring stone, you need a crash course to understand this aquatic gem and the special care it requires.
Rare malaya garnets come in many colors and make wonderful jewelry stones for any style. Learn the 4Cs of this gem in our malaya garnet buying guide.
If you’re looking for something different but affordable for your wedding rings, here are 10 rare engagement ring stones that will fit almost any budget.
You can probably find a topaz engagement ring stone in your favorite color at a reasonable price. Learn what to look for and how to care for your gem.
Celebrate your unique love story with an opal engagement ring stone. Though opals require extra care, no other gem combines color and fire the way they do.
Blockchain tech can provide secure, digital transaction records. Can blockchain diamonds resolve ethical and legal issues related to sourcing and grading?
Separate fact from fiction and you’ll find lab-created diamonds make great alternatives to mined diamonds. Our guide will show you how to shop for them.
Searching for diamonds online shouldn't be so complex. Use our recommendations to buy the best online diamond for your engagement ring — and your wallet!
Don’t let the bowtie effect keep you from buying an oval-cut diamond. With prices lower than rounds, ovals are also a stylish choice for engagement rings.
Before spending money on a VVS diamond, read about the pros and cons of diamonds with this clarity grade. What you learn might surprise you!
Princess-cut diamonds are an excellent alternative to rounds. Learn the 4Cs for princess cuts and how to choose the best diamonds for your engagement ring.
Searching for an ethical engagement ring? Learn about conflict-free diamonds, issues with artisanal mining, and how to find a ring that’s right for you.
Looking for a gem that will make a big impression on your finger, not your wallet? These ten gems make great options for affordable engagement ring stones.
The mesmerizing patterns of emerald & asscher-cut diamonds can give engagement rings a subtle style. Learn how to find a quality diamond within your budget!
With protective settings and special care, these 7 beautiful but delicate engagement ring stones can help you make a unique statement piece about your love.
Some advice you might find on diamond fluorescence is outdated. Learn how fluorescence really affects your diamond’s color grade and price before you buy.
Considering different diamond shapes for your engagement ring? Learn how shape affects size and cost and read their pros & cons to see what's best for you!
These ten gems are some of the rarest and most desired in the world. If money is no object, consider one of these stones for an expensive engagement ring.
Although cut for perfect symmetry and top performance, is a Hearts and Arrows diamond worth the high price? Learn more and decide what’s best for your ring.
Buying a one-carat diamond ring shouldn't be confusing. Learn how to pick the ring that's best for you in our six-step, money-saving guide.
Dreaming of a pear-shaped diamond engagement ring? Learn the pros and cons and read our expert advice to find the perfect pear for your style and budget!
A D color flawless diamond has the highest color and clarity grade — and the biggest price tag. Are these premium diamonds worth the extra money?
With elegant curves, cushion-cut diamonds have a classic, timeless style. Learn the pros and cons of cushions and how to find the best one for your ring.
If you're a first-time buyer, you may be worried about diamond polish and symmetry grades. But what do these grades mean, and do they impact price?
Don't be fooled by overgraded diamonds. Learn how diamond certification from different labs can impact the quality of the stone you purchase.
Debating moissanite vs diamond for your engagement ring? Learn how they compare in beauty, durability, and price and pick the gem that’s best for you.
Choosing a five-carat diamond isn't as simple as finding a diamond in a smaller size. Read our insider tips to find the right rock for your engagement ring.
Emerald, ruby, sapphire, and diamond are the most popular choices for classic engagement ring stones. Learn more about these traditional favorites.
A beautiful and versatile shape, marquise-cut diamonds are perfect for unique engagement rings. Learn how to pick the stone that’s best for you.