Identifying Lab-Made Emeralds
Mined emeralds are expensive, so lab-made emeralds are an attractive option for consumers. Learn how these synthetic gems are made and how to identify them.
11 Minute Read
Related Articles
Emerald Value, Price, and Jewelry Information
Emerald has been synonymous with the color green since ancient times. A fine emerald is a truly breathtaking sight, and...
Read More
How to Re-Oil Emeralds Safely and Easily
Oil treatment is a standard industry practice for enhancing emeralds. However, the treatments are not permanent. Learn how to re-oil...
Read More
What Causes Emerald Fractures?
Emeralds get their green color from chromium and vanadium. Learn how the presence of these elements affects their formation and...
Read More
The World’s Largest Emeralds
Emerald crystals can grow very large. Learn about some of the world’s largest emeralds, whether rough, faceted, or carved.
Read More
Latest Articles
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
Pearl Simulants: How to Spot Faux Pearls
Some faux pearls can be difficult to identify. Learn about the history and varieties of pearl simulants and how to...
Read More
Opal Buying Guide
Our opal buying guide can help you learn how opals are graded, what to avoid, and how to identify a...
Read More
Amethyst Sources Around the World: The Geological Story Behind These Purple Gemstones
Discover how amethyst forms in volcanic regions worldwide. Learn what makes Brazilian, Uruguayan, and other sources unique, and the geological...
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!