From the seemingly common to the utterly obscure, you wouldn't guess these ten gemstones are rarer than a diamond! If you're looking for something unique for your next jewelry purchase, check out these ten stunning gemstones rarer than diamond.
Some gems show pleochroism, two or three different colors depending on the viewing angle. Learn why this occurs and how it helps gemologists identify gems.
With over 900 vendors and numerous geologic rarities, the 2017 Denver Gem & Mineral Showcase had plenty to see. Read about some highlights in our report!
Everything you ever wanted to know about tanzanite. Find value guidelines, scientific data, expert comments, and more in our Gemstone Listings.
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!
Gemstone heat treatments can increase the beauty and value of many rough pieces. Learn how to conduct the most common procedures safely.
Gem faceters must consider factors like brilliance, color, and faceting yield before choosing a cut style. Learn what a Barion cut can bring to a gemstone.
Successful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Purple Cross".
Details and information on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts this one is called "2-Star Square"