Lot 409. Fine Platinum and Diamond Ring, Type lla , 9.22 carats, D color, Internally Flawless. Estimate 700,000 — 900,000 USD. Lot sold 953,000 USD. Photo Sotheby's

Centering an emerald-cut diamond weighing 9.22 carats, flanked by two tapered baguette diamonds weighing approximately .50 carat, size 6. 

Accompanied by GIA report no. 2155485708 stating that the diamond is D color, Internally Flawless. Together with a letter from the GIA stating that the diamond has been determined to be Type lla.

Sotheby's. Magnificent Jewels, New York | 29 avr. 2014