Sapphire and diamond ring. Photo Sotheby's

The step-cut sapphire weighing 11.56 carats, set between shoulders decorated with calibré-cut sapphires and brilliant-cut diamonds, size 55. Estimation 37,000 — 55,000 CHF

Accompanied by SSEF report no. 69320, stating that the sapphire is of Ceylon origin, with no indications of heating.

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