Attractive ruby and diamond necklace, M. Gérard - Photo Sotheby's

The front set with an oval ruby weighing 6.53 carats, framed by brilliant-cut and pear-shaped diamonds, suspended from lines of gently graduated similarly cut stones, length approximately 365mm, signed M. Gérard and numbered, French assay and maker's marks, case signed M. Gérard. Estimate: 265,000 - 450,000 CHF - Lot Sold: 362,500 CHF

Accompanied by SSEF report no. 64395 and Gübelin report no. 12080081, each stating that the ruby is of Burmese origin, with no indications of heating, together with an additional note from Gübelin indicating it is from the Mogok region.

Sotheby's. Magnificent Jewels. Geneva | 14 Nov 2012 www.sothebys.com