Tag Archives: De Beers Cullinan Blue

15-carat blue diamond nabs US$57.5 million at auction

May 2, 2022

The much anticipated ‘De Beers Blue’ surpassed estimates during its recent appearance at Sotheby’s Hong Kong, selling for US$57.5 million (or C$72.5 million).

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15-carat ‘De Beers Cullinan Blue’ to be sold to highest bidder

February 22, 2022

The largest vivid blue diamond to ever appear at auction is expected to fetch up to $61 million when it goes under the hammer in April.

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