Platinum, Emerald and Diamond Ring - Photo Sotheby's

Set with an oval-shaped mixed-cut emerald weighing approximately 10.50 carats, flanked by 12 old European-cut diamonds weighing approximately .15 carat, size 2. Estimation: 100,000 - 150,000 USD

Accompanied by AGL report no. CS 49184 stating that the emerald is of Colombian origin, clarity enhancement: insignificant, type: traditional.

Sotheby's. Magnificent Jewels from the Collection of Mrs. Charles Wrightsman. New York | 05 déc. 2012 www.sothebys.com