An early 20th century sapphire and diamond cluster ring

An early 20th century sapphire and diamond cluster ring, the oval-shaped sapphire weighs approximately 5.00cts and is set within a surround of circular-cut diamonds in platinum, size P

Accompanied by report number 79181-32 dated 22 October 2018 from GCS, London stating that the cushion-cut sapphire weighs approximately 6.00cts and is a natural sapphire with no indications of heat treatment. Origin: Sri Lanka (Ceylon).