Rio Tinto’s Argyle Violet Up For Auction

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Rio Tinto has discovered a rare 2.83-carat violet diamond known as the Argyle Violet at its Western Australian mine, the largest of its type from the operation, which could sell for more than $4 million. The oval shaped diamond will be the centerpiece of the 2016 Argyle Pink … [Read more...]

Sotheby’s to Auction 15.38ct Unique Pink

Sotheby’s to Auction 15.38 Carat Unique Pink

A rare, pear-shaped, vivid pink diamond known as the Unique Pink will go under the hammer in Geneva on May 17th, where auctioneers expect it to fetch $38 million. The “Unique Pink”, described by Sotheby's as “supremely rare and exceptional”, weighs 15.38 carats. “It is … [Read more...]

14.6ct Oppenheimer Diamond Could Fetch $45m

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Christie's is set to auction off an ultra-rare 14.6-carat blue Oppenheimer Diamond that is expected to sell for between $35 million and $45 million. It was owned by Philip Oppenheimer, the late chairman of the De Beers diamond-marketing cartel. In the diamond world, blue … [Read more...]

Sotheby’s to Auction $4.6M Diamond Necklace

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New York--A platinum and diamond necklace made in 1939 for Queen Nazli of Egypt will be up for auction early next month and is expected to fetch as much as $4.6 million. Made by Van Cleef & Arpels, the Art Deco necklace is set with more than 600 round and baguette diamonds weighing … [Read more...]

Sapphire Ring Sets Auction Record

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A 28.18 ct. exceptional platinum, Kashmir sapphire, and diamond ring sold for $5,093,000 at Sotheby’s New York on April 29. An anonymous buyer paid $180,731 per ct., a new auction record for price per carat for any sapphire. The sale was part of the Magnificent Jewels auction, in which total sales were $44,313,500. … [Read more...]

Pink Star sells for record $83M

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The "Pink Star", a flawless pink diamond the size of a plum, sold for $83 million US in Geneva on Wednesday, a world record price for a gemstone at auction, Sotheby's said. "The diamond was bought by Isaac Wolf and the diamond has been renamed The Pink Dream," said Matthew Weigman, Sotheby's worldwide director of sales … [Read more...]