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Spectacular D colour diamond ring the highest valued lot ever offered for sale online at Christie’s!

Christie’s says this D colour type IIa diamond ring — offered in Jewels Online, June 16-30, 2020 — weighs 28.86 carats, and is the largest D colour diamond ever to be offered for sale in an online-only auction at a major auction house. It is offered online with a low estimate of $1 million, but could go as high as $2 million.