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
Moss Agate Engagement Ring Guide
Looking for an alternative to diamonds? A moss agate engagement ring makes a beautiful, affordable, and unconventional choice.
Read More
Ametrine Value, Price, and Jewelry Information
Ametrine is a variety of quartz that displays bands of both amethyst purple and citrine yellow. These gems are typically...
Read More
Hybrid Gemstones: Glass Rubies and More
Some gems contain both natural and lab-made components. Learn about these hybrid gemstones and how to distinguish them from mined...
Read More
How Do Aquamarines Form?
The March birthstone, aquamarine is a popular gem. Learn how aquamarines form, what they look like, and how they get...
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!