Enhanced Gem Inclusions
Gem treatments can affect a stone’s value and stability. Learn how the most common procedures work and how to identify enhanced gem inclusions.
3 Minute Read
Related Articles
Opal Treatments: How to Detect Treated Opals
With so many opal treatments on the market, it’s important to understand the different enhancement processes. Read on to learn...
Read More
How to Identify Ruby Simulants and Synthetics
With practice and some basic tools, anyone can separate natural rubies from ruby simulants. Learn all about the most common...
Read More
How to Modify a Powder Scale for Specific Gravity Testing
Learn how to modify a powder scale for specific gravity testing. A handmade wire basket will make this easy-to-use scale...
Read More
Aquamarine Color and Heat Treatment
There's more to aquamarine color than blue. Most natural stones start blueish green and are heated to blue. Learn the...
Read More
Latest Articles
800 Years of Mogok: A Celebration in Tenuous Times
As Mogok, Myanmar prepares to celebrate its 800th anniversary, the inhabitants of this prolific gem producing region face an uncertain...
Read More
What is the Average Gemstone Faceting Yield?
What’s the average gemstone faceting yield from a single piece of rough? Learn how to estimate how much material you’ll...
Read More
Pyroxmangite Value, Price, and Jewelry Information
Pyroxmangite grains are rare, seldom clean enough to facet, and difficult to cut. However, when cut, they are extremely beautiful...
Read More
How to Identify Emerald Simulants and Synthetics
Gemologists can separate natural emeralds from emerald simulants and synthetics. Learn about the most common tools and techniques for this....
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!