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.
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.
How well do you know your birthstone gemology? Take our short quiz and learn about the composition, cutting, and value of birthstones.
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!
Many cultures have long considered ruby a king's gem. Not surprisingly, ruby symbolism and lore have many associations with power, wealth, and protection.
Natural rubies clarity enhanced with leaded glass have opened new markets and challenged easy detection. Learn how to identify these treated gems.
Learn what gemologists do in our introduction to gemology. Whether your interest is casual or professional, the world of gems will amaze you.
Gem identification is part detective work, part art. Learn how gemologists distinguish gem species and even whether a stone is natural or synthetic.
Gemstone heat treatments can increase the beauty and value of many rough pieces. Learn how to conduct the most common procedures safely.
Considering buying gems in Afghanistan? Learn which Afghan gemstones to seek out, which to avoid, and prepare for a “buyer beware” experience.