Sotheby's, St. Moritz, February 2004

Lot 57 Chalcedony and Sapphire Ring

The carved chalcedony mount collet-set at the centre with an oval sapphire weighing 6.61 carats, size 51.

Accompanied by GRS report GRS2003-031001 stating that the sapphire is of Burmese origin, with no indication of thermal treatment, .....