Alrosa, Diamond Chamber Diamond Auction $28 million

Alrosa sold 144 of the 152 parcels of rough diamonds weighing 10.8 carat and up at its 16th international auction in Moscow. The auction, which started on July 3, fetched a total of about $28 million.

1,286 rough diamonds weighing approximately 21,600 carats were sold at the Diamond Chamber in Moscow, which hosted auction. 17 of the stones sold weighed more than 50 carats each. The heaviest diamond on the block was a 100.63 carat stone.

44 companies from Russian, India, Israel, Belgium, China, Japan, and the United States took part in the auction.