Cinnabar Value, Price, and Jewelry Information
Magnificent red cinnabar is extremely soft and fragile, so faceted material is rare. It's cut primarily for collectors and carvings.
1 Minute Read
Related Articles
Unique Gem Materials for Jewelry Design
Some gems have an appeal beyond their appearance. If you’re looking for a gem with a story to tell, try...
Read More
Black Diamond Value, Price, and Jewelry Information
Black is a color that can say a lot. Wearing black diamond jewelry communicates a sense of unique strength and...
Read More
Chameleon Diamond Value, Price, and Jewelry Information
Professionals will tell you never to trust a trade name used to describe the appearance of a fancy colored diamond....
Read More
Gray Diamond Value, Price, and Jewelry Information
Diamonds with a pure gray hue are a rare treasure indeed. More often, gray is mixed with blue or violet...
Read More
Latest Articles
Precision Faceting a Story Gemstone: Choosing Rough
A precision faceter can turn a rough stone into a story gemstone as unique as each client. Choosing the right...
Read More
32 Green Gemstones (How Many Do You Know?)
A favorite color for nature-inspired designs, green gemstones never go out of style. Learn which of these 32 green gems...
Read More
A Guide to Antique Georgian Jewelry
Authentic Georgian jewelry is rare. Before you buy, learn about the notable pieces and qualities of this antique style, including...
Read More
Hambergite Value, Price, and Jewelry Information
Although hard enough for jewelry use, rare hambergite is a gem for collectors of the unusual. Its combination of high...
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!