News & Articles

Coronavirus May Cut Chinese Demand, Diamond Companies See Better Times

Russell Shor, February 10, 2020

Economic impact of the coronavirus. Plus, an update on the diamond market and gold jewelry.

Diamond Lattice Defects: GIA Researchers Explore Internal Tagging and Gray-Blue-Violet Diamond Color

Amanda J. Luke, February 10, 2020

GIA scientists recently presented their latest research on diamond tagging and the cause of gray-blue-violet color in diamonds at the Princeton-GIA Diamond Symposium.

Man stands in front a GIA banner that features gemstones.

The ABCs of Pearls Reveal Fascinating Aspects of Gems from the Deep

Amanda J. Luke, February 7, 2020

Talk presents little known and fascinating facts about pearls.

Winter 2019 G&G: Geographic Origin Special Issue

Brooke Goedert, January 31, 2020

An overview of the Winter 2019 Gems & Gemology content.

The Real Gemology of Ethiopian Opals in ‘Uncut Gems’

Russell Shor, January 22, 2020

Taking a look at the rough opal that plays a major role in the Adam Sandler film “Uncut Gems.”

A piece of diamond rough with green body color and triangular etchings on the surface.

GIA Researchers Reveal the Secrets to Diamond-in-a-Diamond Mystery

Stephen Morisseau, January 13, 2020

Researchers examined one of the most interesting and unique diamond crystals ever found.

Winter 2019 Issue

Fall 2019 Issue

Summer 2019 Issue

News & Articles

Winter 2019 Issue

Fall 2019 Issue

Summer 2019 Issue

News & Articles

You Might Also Like

Find a Retailer

Shop the Campus Store

Grading Promotions

G&G Winter 2019 Edition