Sotheby’s to auction 8-carat Sky Blue Diamond in Geneva in November

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Sotheby’s to auction 8-carat Sky Blue Diamond in Geneva in November

October 2016 – Sotheby’s has unveiled an outstanding and extremely rare Fancy Vivid Blue diamond ring by Cartier.
Sotheby’s to auction 8-carat Sky Blue Diamond in Geneva in November

Weighing 8.01 carats, this mesmerising stone has been named ‘The Sky Blue Diamond’, emphasising its highly sought-after hue.

Estimated at $15-25 million, this most majestic of gems is one of the star lots of Sotheby’s Geneva Jewellery sale on 16 November.

Describing the diamond, David Bennett, Worldwide Chairman of Sotheby’s International Jewellery Division, said, “The Sky Blue Diamond is of a wonderfully clear celestial blue, presented in an extremely elegant square emerald cut – in my view, the most flattering of all the cuts for a coloured diamond. This important gem will, I am sure, captivate all collectors of exceptional gemstones.”

EXCEPTIONAL COLOUR AND CUT

‘The Sky Blue Diamond’ has been graded Fancy Vivid Blue by the Gemological Institute of America (GIA) – the highest possible colour grading, awarded to no more than 1% of blue diamonds submitted to the GIA. It was also found to have excellent polish and to be of Type IIb, a rare category which represents less than 0.5 % of all diamonds.

BLUE DIAMONDS AT SOTHEBY’S

Within the past two years alone, Sotheby’s has twice set a new world record auction price for a blue diamond, most recently with the only diamond or gemstone in auction history to have exceeded $4 million per carat, the Blue Moon of Josephine (sold for $48.5 million ($4,028,941 per carat) in November 2015).

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