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Fine 2.25 carat diamond ring leads jewellery lots at January auction - Unique Auctions Lincoln Auctioneers
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185: HARRY WINSTON, Diamond engagement ring < Summer Jewels, 14 July 2021 < Auctions | Rago Auctions
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Christie's: Rare 'Fortune Pink' 18-carat diamond sells at Geneva auction for $28.8 million | Fortune
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