Lucapa, the Australian diamond company which mined the stone, says that the diamond originally measured over seven centimetres in length, which makes it the largest diamond ever discovered in Angola.
The largest diamond ever offered at auction went under the hammer in Geneva Tuesday evening for almost $34 million, a world record for a gem of its kind, the Christie´s auction house said.
Geneva - A flawless 163-carat clear diamond fetched about $34m at Christie's in Geneva on Tuesday evening.
The auction house said it expected the "masterpiece of unparalleled beauty and exquisite workmanship" to fetch around $25 million (21.2 million euros), with other experts saying it could rake in double that amount. Ten diamond-cutting specialists worked on the rough in NY after it was analysed in Antwerp.
The diamond, the centrepiece of an asymmetric gem-studded necklace designed by Fawaz Gruosi, founder of Geneva jeweller De Grisogono, was the largest of its kind ever auctioned.
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However, the company did not disclose any financial details concerning the deal, The China Daily newspaper reported today. Dietrich will remain in the company as chief technology officer, a newly created position, after the acquisition.
"It took over 1,700 hours to create this unique jewel and involved a team of 14 craftsmen", Christie's said.
Also on the block was "Le Grand Mazarin", a 19-carat pink diamond that once belonged to King Louis XIV, Napoleon Bonaparte and other French rulers.
"I am disappointed that the Art of de Grisogono didn´t sell for a more dazzling price", said Tobias Kormind, head of 77 Diamonds, a large European online diamond jeweller, who had said before the sale he thought the price might top $50 million.
The stone up for sale Tuesday is meanwhile a "much larger diamond, and its title of the largest flawless stone could see it attract a winning bid of over $50 million", he suggested.
Tuesday´s sale marked the first time the diamond appeared at auction in 130 years. He also said that it also gave him a big headache as there was an vast pressure of "dressing" such an incredible diamond and doing something out of the box, as reported by Sky News.