The Diamond Certification Laboratory of Australia (DCLA)
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Graff Diamonds unveiled 105.07 carat pear shaped D If diamond cut and polished by Graff.
The rough diamond was recovered in May 2015 at Gem Diamonds’ Letšeng mine.
The polished diamond has been named the ‘Graff Vendôme’ to mark the opening of Graff’s new store at the Place Vendôme in Paris.
Petra Diamonds has found a large 121.26 carat white diamond at the Cullinan mine in South Africa.
The rough diamond is a Type II diamond of exceptional colour and clarity, and is an outstanding example of the large, high quality diamonds for which the Cullinan mine is known.
The Cullinan mine is north east of Pretoria in South Africa, and was home to the largest rough gem diamonds ever discovered, the 3,106 carat Cullinan diamond.
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Sotheby’s teamed up with two other firms to collectively own the Pink Star diamond, which has been valued at $72 million.
In November 2013, the oval mixed cut, 59.60-carat, fancy vivid pink, internally flawless stone was sold to diamond cutter Isaac Wolf for a world auction record of $83.2 million in Geneva.
The gem was returned to Sotheby’s after Wolf defaulted. “Diacore and Mellen Inc. have acquired an ownership interest in one of the world’s natural treasures: the remarkable Pink Star diamond,” Sotheby’s said in a statement. “The three parties have formally partnered to achieve the value of the 59.60-carat stone, which Sotheby’s holds in its inventory.” No other details, including financial, were disclosed. However, a Sotheby’s annual report published in February 2014 shows the diamond was recorded in the company’s inventory at about $72 million.
It remains the largest internally flawless, fancy vivid pink diamond ever graded by the Gemological Institute of America, Sotheby’s said. Diacore purchased the original 132.50-carat rough and took two years to cut and polish it, the statement added.
Diacore is a diamond manufacturer headquartered in Johannesburg, South Africa. Mellen Inc. is a family-run private jeweler based in New York.
The exceptional diamond was recoverd from a mine in South Africa, originaly named the Steinmetz Pink.
Source:diamonds.net
Christie’s will sell the Cullinan Dream on June 9, the 24.18 carat is the largest fancy intense blue diamond ever offered at auction.
The diamond will headline the Christie’s New York Magnificent Jewels auction. Hot on the heels of the May 18 sale of the Oppenheimer Blue, which sold for $57.5 million USD, setting a new record for any jewel at auction.
The sale of the 14.62 ct. Oppenheimer diamond broke an earlier record price for another blue gem, the Blue Moon, which sold for $48.5 million in November and still holds the record for a per carat price. Christie’s has given the Cullinan stone it a $23 – $29 million sale estimate.
The Cullinan is relatively new diamond but is notable for its provenance, It is one of four blues cut from a piece of 122.52 ct. blue rough recovered in 2014 at the legendary Cullinan mine in South Africa.
A 207.29 carat rough diamond recovered at its Zarnitsa mine in the Yakutia.
The gem quality diamond measuring 38 Ñ… 37 Ñ… 18 millimeters is the largest found since open cast mining started at the Zarnitsa pipe in 1999.
Diamond production in the first quarter at Zarnitsa was 2.3 times the output year on year due to mine capacity.
A blue diamond became the most expensive jewel ever auctioned, setting a record price for a jewel in auction when it sold at hammer for $US58 million ($80 million AUD).
The Oppenheimer Blue, at 14.62 carats, is the largest fancy vivid blue diamond to be auctioned at Christie’s auction in Geneva. The Auctioneers estimated was $US46 million.
The Blue diamond was named after owner, Sir Philip Oppenheimer, whose family controlled De Beers for 80 years before selling a stake in the diamond company to Anglo American in 2012.
Lucara Sells Its 813 Carat Diamond for US$63 Million, the Highest Price Ever Achieved for the Sale of a Rough Diamond.
Lucara, is pleased to announce that the exceptional 812.77 carat, Type IIa diamond recovered from the Karowe mine in Botswana in November 2015, has been sold for US$63,111,111 (US$77,649 per carat).
As part of the sale, Lucara has partnered with Nemesis International DMCC, and retains a 10% interest in the net profit received from the sale of the resultant polished diamonds.
The 813 carat diamond has been named, "The Constellation", in collaboration with our partner. Lucara is a well-positioned diamond producer.
The Company’s main producing asset is the 100% owned Karowe Mine in Botswana.
Sotheby’s will auction the 1109 carat “Lesedi la Rona” Our Light” in the Tswana language spoken in Botswana.
The rough diamond is the second largest gem quality to be discovered, and the largest rough diamond in existence.
Lucara Diamond Corps Karowe mine in Botswana, recovered the diamond in November 2015.
It is estimated to achieve in excess of $70 million.
The rough diamond weighing 9.17 carats was recovered in August 2015, and after weeks of assessment, the Argyle Violet was polished down to a 2.83 carat, oval-shaped diamond.
The exceptionally rare diamond will showcase in June at the 2016 Argyle tender. Rio Tinto says the rare violet diamond, the largest of its kind ever found at Australia’s Argyle mine will be up for sale as part of the annual Argyle pink diamonds tender.
GIA has certified the diamond as a Fancy Deep Greyish Bluish Violet.