18 karat gold, sapphire and diamond ring. Photo Sothebys.

Centered by an emerald-cut sapphire weighing 12.02 carats, framed by baguette diamonds weighing approximately 3.05 carats, size 4¾. Estimation 150,000 — 200,000 USD. Lot. Vendu 653,000 USD

Accompanied by AGL report no. CS 56279 stating that the sapphire is of Kashmir origin, with no indications of heating.

Sotheby's. Magnificent Jewels. New York | 11 déc. 2013 www.sothebys.com