Platinum and Diamond Ring. Photo Sotheby's

Centered by an emerald-cut diamond weighing 5.11 carats, flanked by two smaller emerald-cut diamonds weighing 1.42 and 1.34 carats, size 4¾. Estimation: 65,000 - 75,000 USD 

NOTE DE CATALOGUE: Accompanied by 3 GIA reports:
No. 1132724920 stating that the 5.11 carat diamond is I color, VS1 clarity.
No. 1132777281 stating that the 1.42 carat diamond is I color, VS1 clarity.
No. 2135777256 stating that the 1.34 carat diamond is I color, VS1 clarity

Sotheby's. Important Jewels. New York | 20 sept. 2012 www.sothebys.com