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Graff Diamond

On the 16th November 2010, the record for the most expensive single jewel ever sold at auction was set when jewellery dealer Laurence Graff bought a 24.78 carat Pink Diamond for US $46 million (£29 million). Though the earlier history of this diamond is unclear, it was once owned by celebrity American jeweller Harry Winston, who sold it in 1950 to a private collector. This collector kept it for 60 years until the auction held by Sotheby's in Geneva, Switzerland.

This incredibly rare gemstone has been described as a 'fancy intense pink', the most perfect colour rating for diamonds, by the Gemological Institute of America, and has been placed in the top 2 per cent of the world's diamonds.

The Diamond has been emerald cut and mounted onto a silver ring, with two shield-shape diamonds either side. Unusually for a Diamond of this importance, it was not named until Graff bought it, upon which he named it the 'Graff Pink'.


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