A sapphire and diamond cluster ring

A sapphire and diamond cluster ring, the cushion-shaped sapphire is set within a surround of round brilliant-cut diamonds, with a pear-shaped diamond to each shoulder in platinum, size M 1/2

Accompanied by report number 13100294 dated 30 October 2013 from Gübelin stating that the cushion-shaped sapphire weighs 11.31cts and is a natural sapphire with no indications of heat treatment. Origin: Sri Lanka (Ceylon)