Important ruby ring - Photo Sotheby's

The cushion-shaped ruby weighing 11.01 carats, to a mount composed of overlapping stylised leaves, size 52^1/2, signed G. Lenfant, Paris. Estimation: 1,225,000 - 1,690,000 CHF

Accompanied by SSEF report no. 60569 and GRS report no. GRS2011-091719, each stating that the ruby is of Burmese origin, with no indications of heating, the GRS report adding that testing revealed characteristics corresponding to those of a natural ruby from the Mogok region, demonstrating a rare combination of size, fine colour, spared of thermal treatment.

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