A Burmese ruby and diamond cluster ring

A Burmese ruby and diamond cluster ring, the oval-shaped ruby is set within a surround of ten old circular-cut diamonds in yellow gold. Size N½.

Accompanied by report number 12017 dated 17th November 2015 from The Gem and Pearl Laboratory, London stating that the oval mixed-cut ruby is natural with no evidence of heat treatment observed. Origin opinion: Burma.