A sapphire

A sapphire, emerald and diamond cluster ring, of openwork knotted design and set with an oval cabochon sapphire and two emerald cabochons, in a surround of graduated circular-cut emeralds and diamonds in white gold, size I

Accompanied by report number 79215-39 dated 21 May 2019 from GCS, London stating that the cabochon-cut sapphire weighs approximately 3.00cts and is a natural sapphire with no indications of heat treatment. Origin: Myanmar (Burma).