A sapphire and diamond cluster ring

A sapphire and diamond cluster ring, the emerald-cut sapphire is set within a surround of graduated circular-cut diamonds in platinum, French control marks, size L

Accompanied by report number 79198-54 dated 7 February 2019 from GCS, London stating that the octagonal-cut sapphire weighs approximately 6.50cts and is a natural sapphire with no indications of heat treatment. Origin: Sri Lanka (Ceylon).