An early 20th century sapphire and diamond three-stone ring

An early 20th century sapphire and diamond three-stone ring, the cushion-shaped sapphire is set with two old circular-cut shoulder diamonds in platinum with scroll pierced collets, size K

Accompanied by report number 78133-57 dated 5 December 2017 from GCS, London stating that the cushion-cut sapphire weighs approximately 3.00cts and is a natural sapphire with no indications of heat treatment. Origin: Burma