A ruby and diamond cluster ring

A ruby and diamond cluster ring, the cushion-shaped ruby weighs 4.92cts, with tapered baguette-shaped diamonds to each shoulder in gold, size K

Accompanied by report number 77108-06 dated 21 June 2017 from GCS, London stating that the cushion-cut ruby weighs 4.92cts and is a natural ruby, with no indications of heat treatment. Origin: Thailand (Siam)