Diamond ring, mounted by Harry Winston

Lot 184. 25.36 carats, M color, SI1 clarity Diamond ring, mounted by Harry Winston. Estimate 200,000 — 300,000  USD. Lot sold 384,000 USD. Photo: Sotheby's 2007

The round diamond weighing 25.36 carats, encircled by 18 round diamonds weighing approximately 2.50 carats, mounted in platinum, size 6¼, trademark for Harry Winston. With Winston box. 

Accompanied by GIA report no. 15700527 stating that the diamond is M color, SI1 clarity.

Sotheby's. Magnificent Jewels. New York, 24 Apr 2007