Fine Platinum, Gold, Ruby and Diamond Ring - Photo Sotheby's

The cushion-cut ruby weighing 9.40 carats, flanked by four modified pear-shaped diamonds weighing approximately 2.00 carats, approximate size 3¾, inclusive of inner sizing beads. Estimation: 500,000 - 700,000 USD

Accompanied by AGL report no. CS 49183 stating the ruby is of Burmese origin, with no indications of heating.

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