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montana sapphires - matching rings
Why We Love Montana Sapphires and Yogo Sapphires

With rich cornflower blue Yogo sapphires and fancy-colored gems in any color of the rainbow, Montana sapphires are a great choice for any jewelry piece. Learn more about what makes Montana sapphires and Yogo sapphires unique.

ten gemstones rarer than diamond - paraiba ring
Ten Gemstones Rarer than Diamond

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.

sardonyx - birthstone gemology
How Well Do You Know Your Birthstone Gemology?

How well do you know your birthstone gemology? Take our short quiz and learn about the composition, cutting, and value of birthstones.

denver gem show - gems on display
Denver Gem & Mineral Showcase 2017

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!

sapphire symbolism - ring
Sapphire Symbolism

Beautiful blue colors and the star stone effect have influenced sapphire symbolism through the ages. Learn more about the legends surrounding this gem.

custom faceting - detail
Precision Faceting a Story Gemstone: Custom Faceting Advice

Your prized gemstones deserve custom faceting. Learn the benefits of working with precision faceters and tips for starting your own jewelry project.

A Beginner’s Guide To Common Gemstone Heat Treatments

Gemstone heat treatments can increase the beauty and value of many rough pieces. Learn how to conduct the most common procedures safely.

Gemstone Examination Lesson

Learning how to conduct a gemstone examination takes practice. Follow an expert gemologist step-by-step through tests of five unknown samples.

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 beware” experience.

Sapphire Buying Guide

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.

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