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Worker attaching wax forms
Article
Shenzhen: The Frontier of China’s Gem and Jewellery Industry

All jewellery professionals are familiar with the city of Shenzhen, a global jewellery manufacturing centre and a leader of China’s fast-growing gem and jewellery industry. Join the GIA team as we tour the city and discover more about its leading jewellery brands.

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The superior size and color of the 325.13 ct. tsavorite garnet from Merelani was discovered at the Tucson Gem & Mineral show in 2007. Courtesy of Michael Couch & Associates, West Des Moines, Iowa; photo by Robert Weldon © GIA
Article
The Glory of Green Gems

Green gemstones, which can uplift and heal our spirits, have been popular gem choices ever since we began to adorn ourselves with jewellery.

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Award Winning Ring thumb
Article
Gemmologist’s Black Opal Ring Wows Consumers and Trade Media

GIA graduate Niveet Nagpal, president and head designer of Omi Privé, showcases his love of gems and brings them to life in his designs.

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Confusing, Triangular Inclusions in an Art Deco-Style Pin
Spring 1991 G&G Lab Notes

This section, from the Spring 1991 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.

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Alexandrite, History
Article
Alexandrite History and Lore

The gem was named after the young Alexander II, heir apparent to the throne. It caught the country’s attention because its red and green colours mirrored the Imperial Russian flag.

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