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The Winston Blue, which set a world auction record price per carat for a blue diamond in Geneva recently sale - Christie’s Geneva Magnificent Jewels sale realised a total of SFr.138,963,250/US$154,193,622/€112,490,751 selling 85% by lot and 94% by value, achieving the Highest total ever for a Jewellery sale in auction history. During the sale, 4 world record prices were achieved. THE WINSTON BLUE offered on May 14th at Christie’s Magnificent Jewels sale achieved a stunning, The largest flawless Fancy Vivid blue diamond in the world, weighing 13.22 carats, was named THE WINSTON BLUE by Nayla Hayek, CEO of Harry Winston.