Oregon Sunstone Buying Guide
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.
4 Minute Read
Oregon Sunstone Value, Price, and Jewelry Information
Quahog Pearl Buying Guide
Melo Pearl Buying Guide
Tridacna Pearl Buying Guide
Creating Ring Mountings for Deep-Cut Gemstones
How Does Topaz Form?
Prosopite Value, Price, and Jewelry Information
Gemstone Doublets, Triplets, and Other Assembled Stones
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!