The 163.41-carat de GRISGONO Creation diamond holds the world record for the most valuable D colour, Flawless diamond when it sold for $33.7 million at Christie’s in Geneva on 14 November 2017.

The 163.41-carat de GRISGONO Creation diamond holds the world record for the most valuable D colour, Flawless diamond when it sold for $33.7 million at Christie’s in Geneva on 14 November 2017. Far larger than the Sotheby's 102.34-carats, it will likely retain it's number one slot in the record books. 

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