Spinel Buying Guide
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.
6 Minute Read
Spinel Value, Price, and Jewelry Information
Spinel is an important gem historically because it has been confused with other gemstones, especially ruby. Large red gems such...
An Introduction to Gem Identification
Gem identification is part detective work, part art. Learn how gemologists can distinguish gem species and determine whether a stone...
Trapiche Gems: An Introduction
Satisfying the human desire for symmetry, trapiche gems have a special allure. Learn what makes these rarities so unique in...
Buying Gemstones in Afghanistan: A Beginner’s Guide
Considering buying gems in Afghanistan? Learn which Afghan gemstones to seek out, which to avoid, and prepare for a “buyer...
Pricing Faceted Gems and Calculating Your Return
Properly pricing faceted gems can be a daunting task for investors. Learn how to research gem prices and calculate your...
Gemology Book Reviews: Careers
Learn how varied gemology careers can be. Our gemology book reviews highlight three different approaches — as art, science, and...
Augelite Value, Price, and Jewelry Information
Soft and brittle, rare augelites are difficult to cut and unsuitable for wear. Faceted transparent pieces are only found in...
Six Famous Aquamarines
Aquamarines have been cut into many large and beautiful gemstones. Let’s take a look at six of the world’s most...
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