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
Identifying Synthetic Diamonds
Although most manufacturers disclose their synthetic diamonds, some resellers don’t. Learn how to identify these lab-created diamonds.
Read More
Identifying Opal Patterns
Opal connoisseurs all have their favorite opal patterns. Learn how to identify the patterns of these beautiful gems with plenty...
Read More
Identifying Synthetic Gems
Distinguishing between natural and synthetic gems is a critical skill for gemologists. Learn about gem making processes and the telltale...
Read More
The Art and Science of Identifying Gemstones
Gemology is both art and science. Learn how identifying gemstones combines traditional testing techniques, modern software, and deductive reasoning.
Read More
Latest Articles
Table of Gems Ordered by Crystal System
This table contains a selection of minerals gemologists may encounter as jewelry stones or gem specimens. The gems are sorted...
Read More
Mineral Cleavage Testing: A Practical Guide
Cleavage testing is an important procedure for mineral identification. Learn what cleavage means and how to test mineral samples.
Read More
Axinite Value, Price, and Jewelry Information
When faceted, the members of the axinite mineral group are usually intensely pleochroic, with rich brown and purple colors dominating....
Read More
Introduction to Native Elements
Native elements or minerals include well-known materials like gold, silver, and diamonds. Learn how to identify common native minerals.
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!