Ruby and diamond ring. Photo Sotheby's.

The cushion-shaped ruby weighing 9.36 carats, set between triangular diamond shoulders, size 54. Estimation 165,000 — 225,000 CHF

Accompanied by SSEF report no. 71337 and Gübelin report no. 13100206, each stating that the ruby is of Burmese origin, with no indications of heating, together with two Gübelin information sheets regarding Mogok rubies and unheated rubies.

Sotheby's. Magnificent Jewels and Noble Jewels, Genève, 13 mai 2014 - http://www.sothebys.com/