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Lot 426. An Important Platinum and D color, VVS2 clarity, 13.59 carats type IIa Diamond Ring. Estimate 750,000 — 1,202,500 USD. Lot sold 1,314,500 CHF. Photo Sotheby's

The emerald-cut diamond weighing 13.59 carats, flanked by tapered baguette diamonds, size 5¾

NoteAccompanied by GIA report no. 1142319451 stating that the diamond is D color, VVS2 clarity, together with a letter from the GIA stating that the diamond has been determined to be type IIa.

Sotheby'sMagnificent Jewels. New York, 18 april 2012