News & Articles

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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A white a purple pearl sitting in half of it's shell.
Clam Chowder with a Side of Pearl

Recently, staff in GIA’s New York laboratory were astounded by two natural pearl finds on opposite coasts – one in Baja California, Mexico and one in Long Island, New York. Each find was outstanding and worthy of exploration.

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

An overview of the Summer 2020 Gems & Gemology content.

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Sorting melee on white background
How Do I Know if the Fancy Melee in My Jewelry is Natural Diamond?

Learn about how GIA is addressing industry concerns over undisclosed laboratory-grown and simulated fancy melee being mixed in with natural fancy melee.

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A small house, left and a treehouse, right, are lit up against a star-filled sky.
GIA’s Knowledge Sessions: A New Way to Share Gemological Information

GIA Knowledge Sessions cover a variety of gemological topics and provide an opportunity for researchers, retailers, designers and other jewelry lovers to learn in a friendly, more casual format.

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A notebook, pen, mobile phone with compass app and a digital camera sit on top of a map.
The Stories Behind the Photos: A Gigantic Aquamarine and ‘Gaudy’ Nature

Gemological photojournalist Robert Weldon shares the stories behind some of his favorite photos.

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