Geneva - A flawless 163-carat clear diamond fetched $34m (approximately R487m) at an auction at Christie's in Geneva - but not enough to dispel concerns about the health of the market.
The diamond itself was cut from a 404 carat rough rock which was found in February of 2016 in Angloa's Lulo mines.
The 404-carat diamond was found in Angola by Australian-listed company Lucapa Diamond
This is the largest untreated diamond produced in the country and the 27th largest in the world. Ten diamond-cutting specialists worked on the rough in NY after it was analysed in Antwerp.
A team from Swiss luxury jeweller de Grisogono then created 50 different designs around the 163.41-carat diamond, before opting for an asymmetric necklace with the stone as its centrepiece.
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"Le Grand Mazarin", a 19 carats pink diamond, belonged to the French crown for more than 200 years and was part of its crown jewels.
It was the largest of its kind to ever be auctioned.
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The frame of the face was created with 3D printing, with the nose being produced by a third-party artist and moulded in silicone. In their documentation , Apple says the possibility of a person using their face to unlock a user's iPhone X is 1:1,000,000.
It went under the hammer, again to an unidentified telephone bidder, for 12.5 million francs, with the final price tag after taxes and commissions ticking in at 14.4 million francs. This is the first time that the spectacular diamond has been sold at public auction since the famous sale of the French Crown Jewels in 1887.
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