Buying Gems: Test Your Identification Skills
When buying gems, gemologists must temper their excitement with an analytical eye. Test your gem identification skills with these quizzes.
3 Minute Read
HomeLearning CenterGemologyGemstone Testing and IdentificationBuying Gems: Test Your Identification Skills
Related Articles
Specific Gravity Testing Part 4: Refining Your Specific Gravity Testing Techniques
Factors like liquid temperature and inclusions can affect a gem's density reading. These specific gravity testing techniques can improve your...
Read More
Diamond Testing Tools: A Brief History and Review
Diamond testing tools have evolved. Learn how the latest devices compare when distinguishing lab-grown from natural diamonds.
Read More
Eight Opal Types Explained
Opal is a complicated gemstone, and many factors affect its price. Learn how to distinguish these eight opal types and...
Read More
Destructive Gemstone Tests: Hot Point Testing
Gemologists use the hot point test to determine if a piece is a plastic imitation or coated in wax. Learn...
Read More
Latest Articles
The Dichroscope: A Faceter’s Guide
A dichroscope can distinguish the colors of pleochroic gems. Learn how gem cutters can use this tool to choose the...
Read More
The Microscope: A Guide for Gemologists
Sometimes, microscopic inclusions are the only way to distinguish natural from synthetic gems. This makes the microscope an essential lab...
Read More
Anatase Value, Price, and Jewelry Information
Anatase occurs in many beautiful colors, such as deep indigo and amber yellow. However, these rare gems are seldom transparent...
Read More
Choosing an Emerald Engagement Ring Stone
If you like green, you’ll love an emerald engagement ring. However, judging emerald quality is complicated. Learn how to find...
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!