News & Articles

Gems & Gemology Summer 2021 In Brief
Summer 2021 G&G Available Now

An overview of the Summer 2021 Gems & Gemology content.

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Some of the studied samples from Australia.
Sapphires from Anakie, Australia: A Closer Look at Blue, Yellow, Green and Bicolor Sapphires

Though long underappreciated, Australian sapphires could see a resurgence with the arrival of Fura Gems, a major mining and marketing company.

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Gems & Gemology Spring 2021 In Brief
Spring 2021 G&G Available Now

A variety of topics are in store for you in the Spring issue of G&G.

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Gems & Gemology Winter 2020 In Brief
Winter 2020 G&G Available Now

The Winter issue covers an array of insightful topics, including treatment detection, geographic origin separation, and more.

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A row of five low-quality bead cultured pearls.
A Study on Improving the Surface Appearance of Low-Quality Pinctada maxima Bead Cultured Pearls

In this study, the Bangkok laboratory examined five low-quality bead cultured pearls sourced directly from a local pearl factory and characterized their features before and after processing.

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Gems & Gemology Fall 2020 In Brief
Fall 2020 G&G Available Now

This issue features a unique glimpse into the overwhelming majority of diamonds submitted to GIA: those on the D-to-Z color scale.

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