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The largest oval fancy vivid blue diamond ever to appear at auction

Staff writer |
Sotheby’s Hong Kong presented the De Beers Millennium Jewel 4, a rarernand superb Oval Internally Flawless Fancy Vivid Blue Diamond weighing 10.10 carats.

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This is the largest oval fancy vivid blue diamond ever to appear at auction (Est. HK$235 – 280 million / $30 – 35 million), at the Magnificent Jewels and Jadeite Spring Sale on April 5, 2016.

Offered for sale from an Asian private collection, De Beers Millennium Jewel 4 is the only oval-shaped stone among the twelve rare diamonds - eleven blue and one colourless – that form the world renowned De Beers Millennium Jewels collection unveiled by De Beers in 2000 in celebration of the millennium.

Each of the eleven blue diamonds in the collection boasts a combination of colour intensity, even saturation and brilliance that are rivalled by few other stones.

The De Beers Millennium Jewel 4 will be exhibited in Taipei (March 19 – 20) and Hong Kong (April 1 – 4) in Asia before going under the hammer on April 5, at the Hong Kong Convention and Exhibition Centre.

To celebrate the millennium in 2000, De Beers, together with The Steinmetz Group, showcased an exceptional collection of rare and valuable diamonds, namely the De Beers Millennium Jewels, in a specially designed exhibit at London’s Millennium Dome.

Assembled over decades, the collection consisted of the 203.04-carat colourless diamond Millennium Star and eleven phenomenal blue diamonds (pictured right) of various shapes and sizes, totalling 118 carats, all expertly cut and polished.

Nine out of the eleven blue diamonds have been graded by the GIA as of Fancy Vivid colour, the highest possible colour grading for coloured diamonds, and two of Fancy Intense colour. All of them originate from the Cullinan Mine in South Africa and each was specially inscribed with a De Beers Millennium number using a proprietary branding technique.

Since their initial appearance at the Millennium Exhibition in 2000, only one of these diamonds have ever come into the open market, when Sotheby’s Hong Kong sold the De Beers Millennium Jewel 11, a 5.16-carat Internally Flawless Pear-shaped Fancy Vivid Blue Diamond, in April 2010.

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