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
Related Articles
Oregon Sunstone Value, Price, and Jewelry Information
While feldspar sunstones from sources around the world have been used for carvings and cabochons, Oregon sunstone material has proven...
Read More
Quahog Pearl Buying Guide
Your next plate of steamed clams might hold a rare quahog pearl. Learn how to judge the quality of these...
Read More
Melo Pearl Buying Guide
Bright orange colors and flames that seem to dance across the surface make the melo pearl a fascinating gem choice....
Read More
Tridacna Pearl Buying Guide
Clam pearls can grow to be some of the largest in the world. Learn more about these aquatic gems and...
Read More
Latest Articles
Traditional Diamond Cut Grading Methods
Traditional diamond cut grading methods prepare gemologists for making evaluations with minimal time, tools, and references. This step-by-step guide covers...
Read More
Cutting a 294-ct Trilliant Morganite: An Interview with Steve Moriarty
Learn the story behind the 294-ct trilliant morganite cut by Steve Moriarty of Moriarty's Gem Art and watch his gem-cutting...
Read More
Tourmaline Engagement Ring Stones: the Ultimate Guide
Thinking about a tourmaline engagement ring? Learn everything you need to know to buy your perfect gem, from hardness and...
Read More
Chabazite Value, Price, and Jewelry Information
Although faceting chabazite isn't too difficult, it's too soft for jewelry. However, only a handful of cut chabazites may exist...
Read More
Never Stop Learning
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
Get Gemology Insights
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!