Identifying Jade Treatments
Jade is one of the most popular and expensive gemstones. It can also receive many enhancements. Learn about jade treatments and how to identify them.
7 Minute Read
Does Synthetic Jade Exist?
You might find synthetic jade for sale, but is this material really lab-made jade or something else? Learn how to...
Distinguishing Common Jade Lookalikes
Our table comparing the properties of jade lookalikes with natural jade will help gemologists distinguish authentic jade from simulants.
Is Xinjiang Nephrite Banned in the US?
How does the Uyghur Forced Labor Prevention Act of 2021 affect imports of Xinjiang nephrite jade from China? Learn what...
Jade Color Trade Names
Jade color trade names describe prized hues and patterns in jadeite and nephrite stones. Learn about the most popular and...
Pricing Faceted Gems and Calculating Your Return
Properly pricing faceted gems can be a daunting task for investors. Learn how to research gem prices and calculate your...
Gemology Book Reviews: Careers
Learn how varied gemology careers can be. Our gemology book reviews highlight three different approaches — as art, science, and...
Augelite Value, Price, and Jewelry Information
Soft and brittle, rare augelites are difficult to cut and unsuitable for wear. Faceted transparent pieces are only found in...
Six Famous Aquamarines
Aquamarines have been cut into many large and beautiful gemstones. Let’s take a look at six of the world’s most...
Become a Member
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!