A ruby

A ruby, emerald, sapphire and diamond ring by Adler, set with an emerald-cut ruby weighing 1.51ctS within a geometric surround of bufftop emeralds and sapphires and graduated baguette-shaped shoulder diamonds in yellow gold, size Q

Accompanied by report number 5776-6388 dated 19 July 2016 from GCS, London stating that the octagonal-cut ruby weighs 1.51cts and is natural ruby with no indication of heat treatment. Origin: Thailand