Sphalerite Buying Guide
Our sphalerite buying guide can help you learn how these gems are graded, what to avoid, and how to identify a high quality stone or a bargain in the rough.
3 Minute Read
Sphalerite Value, Price, and Jewelry Information
Quahog Pearl Buying Guide
Melo Pearl Buying Guide
Antique Engagement Rings
Milarite Value, Price, and Jewelry Information
Precision Faceting a Story Gemstone: Choosing Rough
32 Green Gemstones (How Many Do You Know?)
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!