An early 20th century pink sapphire and diamond cluster ring

An early 20th century pink sapphire and diamond cluster ring, the oval-shaped sapphire is set within a surround of cushion-shaped diamonds in silver and 18ct gold, Birmingham marks for 1910, size N

Accompanied by report number 18470 dated 8 March 2020 from The Gem & Pearl Lab stating that the cushion-shaped pink sapphire is a natural pink sapphire with no indications of heat treatment. Origin: Burma