Important sapphire and diamond ring. Photo Sotheby's

The oval sapphire weighing 26.92 carats, set within a cluster of marquise and pear-shaped diamonds, size 52, ring designed by Maurice Galli. Estimation 1,100,000 — 1,600,000 CHF

Accompanied by Gübelin report no. 14030231 and SSEF report no. 73932, each stating that the sapphire is of Kashmir origin, with no indications of heating; the SSEF report together with an appendix letter.

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