Blue Moon Diamond could set $35 million world record

Diamonds Forever

Diamonds Forever

2015-09-18 08:59:46

An extraordinarily rare blue diamond could bring a new world record price at Sotheby's later this Fall.

The diamond weighs 12.03 carats and has been graded Internally Flawless and Fancy Vivid Blue by the GIA who stated the blue hue is “likely to have never before been seen within such a large diamond, or any gemstone”, and “could be indescribable to even the most experienced diamantaire or colour theorist; some, however, liken it to the ocean”.

Originally discovered in South Africa in 2014, the stone was acquired by New York-based Cora International, one of the world's leading firms specializing in cutting large and important diamonds.

Having spent six months cutting and polishing the stone, the diamond will be now be offered at auction for the first time with an estimated value of $30-$35 million

The current world record price for a blue diamond stands at $32,645,000, set by the Zoe Diamond weighing 9.75 carats which sold for at Sotheby’s New York in November 2014.

“The tremendous excitement last year over the discovery of a 29.62-carat blue rough diamond at the Cullinan mine in South Africa has now been proved to have been totally justified," said David Bennett, Worldwide Chairman of Sotheby’s International Jewellery Division.

"Weighing in at 12.03 carats, the ‘Blue Moon’ diamond is a simply sensational stone of perfect colour and purity, combined with a superb cushion shape. Blue, for me, is the most mysterious and magical of all the colours of diamond, and the Blue Moon will now take its place among the most famous gems in the world.”

The Sotheby's Magnificent Jewels and Noble Jewels sale takes place in Geneva on November 11, 2015.

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Diamonds Forever


2015-09-23 11:33:19


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