Spinel Buying Guide
Our spinel buying guide can help you learn how spinels are graded and how to identify a high-quality stone or a bargain in the rough.
6 Minute Read
Related Articles
Spinel Gem, Price, and Jewelry Information
Although long known best for being misidentified as ruby, the spinel gem is beautiful in its own right. Its colors,...
Read More
Spinel Inclusions
The materials trapped inside gems hold a wealth of information. Learn what the most common types of spinel inclusions reveal...
Read More
An Introduction to Gem Identification
Gem identification is part detective work, part art. Learn how gemologists can distinguish gem species and determine whether a stone...
Read More
An Interview with Spinel Collector Seth Rosen
Spinel collector and gem trade expert Seth Rosen discusses the current market and potential future for this beautiful but little-known...
Read More
Latest Articles
Gemstone Radiation Treatment
Gemstone radiation is a common but little understood technique for altering colors. Learn how it works and what gems usually...
Read More
Alternative Birthstones
Not happy with your birthstone? Explore these alternative birthstones associated with astrological signs, angels, the hour or day of your...
Read More
What is Moonstone Gemstone? Value, Price, and Color
Explore moonstone’s value, meaning, and properties. Discover why this gem’s shimmering beauty makes it a top jewelry pick!
Read More
21 Beautiful Pink Gemstones: A Complete Guide
Discover 21 stunning pink gemstones , including diamond, morganite, and tourmaline. Learn hardness, rarity, and pricing for each pink gemstone...
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!