Lot 447. Important Platinum and Diamond Ring, 10.07 carats, D color, VS1 clarity. Estimate 775,000 — 1,000,000 USD. Lot sold 905,000 USD. Photo Sotheby's

Centering a cushion-cut diamond weighing 10.07 carats, flanked by four baguette diamonds weighing approximately .60 carat, size 6. 

Accompanied by GIA report no. 1152504994 stating that the diamond is D color, VS1 clarity.

Sotheby's. Magnificent Jewels, New York | 29 avr. 2014 - www.sothebys.com