Ruby and diamond ring, M. Gérard - Photo Sotheby's

The oval ruby weighing 6.92 carats set within borders of brilliant-cut and pear-shaped diamonds, signed M. Gérard and numbered, French assay and maker's marks. Estimation: 175,000 - 245,000 CHF - Lot. Vendu 218,500 CHF

Accompanied by SSEF report no. 64397, dated 7th August 2012, and Gubelin report no. 0107068, dated 17th July 2001, stating that the ruby is of Burmese origin with no indications of heating.

Sotheby's. Magnificent Jewels. Genève | 14 nov. 2012 www.sothebys.com