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A ruby and diamond choker. The centre section is made of six strands of red pearls, framed by rubies and diamonds.
Article
Mughal Jewels Auction: Al-Thani Collection Raises $109 Million (£87.5 Million)

Collectors from around the world descended on Christie's Maharajas & Mughal Magnificence auction of the jewels from the Al-Thani Collection on 19 June.

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Bracelet containing akoya cultured pearls from Australia
Akoya Cultured Pearl Farming in Eastern Australia

Characterises the akoya cultured pearls produced on the eastern shoreline of Australia using native Pinctada imbricata fucata molluscs.

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Pearls, shells, and jewelry on table
Article
The Lure of American Freshwater Pearls: Revisiting the Latendresse Family

John Latendresse is known as the father of American cultured pearls. He was also a great natural pearl collector and left his family a remarkable natural pearl collection. The Latendresse family is well recognised in the American pearl industry and has long supported GIA pearl research. Come with us to revisit this family and their pearl collection.

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Autumn 2015 G&G: Trapiche Emeralds, Synthetic Diamonds and a Large Diamond Source

G&G Brief presents an overview of the content of the Autumn 2015 issue of Gems & Gemology.

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Pegmatite Pits in Nigeria
Gem Localities of the 2000s

The past decade saw some impressive discoveries of diamonds and coloured stones.

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Article
Pearl Species and Localities

Learn more about pearl species, localities and growth, along with definitions for the 7 Pearl Value Factors™ and the terminology GIA uses to describe your pearl.

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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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Article
Summer 2015 G&G: Dual-Stars, Photomicrography Guide, Rubies from Tajikistan, New Micro-World Section

G&G Brief presents an overview of the content of the Summer 2015 issue of Gems & Gemology.

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The Current Status of Chinese Freshwater Cultured Pearls

Chinese freshwater cultured pearls (FWCPs) are assuming a growing role at major gem and jewellery fairs, and in the market at large.

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History of Pearling in La Paz Bay, South Baja California
History of Pearling in La Paz Bay, South Baja California

The history of Baja California has been closely tied to the exploitation of pearls since the 16th century.

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