18 karat gold and ruby ring. Photo: Sotheby's.

The oval-shaped ruby weighing approximately 3.40 carats, gross weight approximately 8 dwts, size 10¼. Estimation 30,000 — 50,000 USD

Accompanied by AGL report no. CS 46578 stating that the ruby is of Burmese origin, with no indications of heating.

Sotheby's. Important Jewels. New York | 24 sept. 2013 - http://www.sothebys.com