Pearl Buying Guide
In this golden age of pearls, a wide variety of shapes, sizes, and colors are available. Our pearl buying guide can help you select a pearl you’ll love.
14 Minute Read
Related Articles
Pearl Value, Price, and Jewelry Information
Pearls are the only gems found within living creatures, both salt and freshwater mollusks. However, most pearls on the market...
Read More
Calcareous Concretions Value, Price, and Jewelry Information
Several species of marine mollusks produce stony growths called calcareous concretions or non-nacreous pearls. Varieties such as conch pearls, tridacna...
Read More
Freshwater Pearls Value, Price, and Jewelry Information
Like their marine cousins, many freshwater mollusks can produce pearls. However, this rarely occurs in nature. Today, the majority of...
Read More
Saltwater Pearls Value, Price, and Jewelry Information
Although pearls are one of humanity’s most ancient gems, natural undersea beds of pearl-producing oysters now occur very rarely. Cultured...
Read More
Latest Articles
Classic Engagement Ring Stones
Emerald, ruby, sapphire, and diamond are the most popular choices for classic engagement ring stones. Learn more about these traditional...
Read More
Broken Bangle — The Blunder-Besmirched History of Jade Nomenclature: Book Review
Is fei cui a better term for "pyroxene jade" than jadeite? Jeffery Bergman reviews Broken Bangle, a new book on...
Read More
Cuprite Value, Price, and Jewelry Information
One of the rarest of all facetable gems, cut cuprites can show magnificent deep red color. However, these beautiful stones...
Read More
Gemstone Radiation Treatment
Gemstone radiation is a common but little understood technique for altering colors. Learn how it works and what gems usually...
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!