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402-Carat Stunner Highlights ALROSA's Auction of 'Special Size' Rough Diamonds

August 31, 2016

Diamantaires from the four corners of the earth have converged on the picturesque Pacific port city of Vladivostok, Russia, to get a chance to bid on ALROSA's "special size" rough diamonds, the largest of which tips the scales at 401.97 carats.

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Bidders are vying for 19 diamond lots boasting a total weight of 1,098 carats. What all the rough diamonds have in common is a weight of 10 carats or more and an origin at one of ALROSA's diamond mines. The Russian diamond company currently operates 11 kimberlite pipes and 16 alluvial deposits, producing 38.3 million carats of rough diamonds annually.

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Running concurrently with the International Auction of Special Size Rough Diamonds will be ALROSA's Polished Diamond Tender. The most coveted of the 28 diamonds up for sale is a 40.25-carat round. Eighteen of the 28 gems are fancy colored and five polished diamonds weigh more than 5 carats.

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A total of 30 companies from the U.S., Hong Kong, Israel, India, Belgium and Russia were handpicked to attend ALROSA's diamond events in Vladivostok. It is the first time ALROSA has held its auctions in this city, which overlooks Golden Horn Bay, near the borders of China and North Korea.

Diamonds will be on display through September 2, with the Rough and Polished auctions taking place on September 3.

Credits: Diamond images courtesy of ALROSA. Map via GoogleMaps.com.