A 19th-century emerald and diamond cluster ring

A 19th-century emerald and diamond cluster ring, the emerald-cut emerald set within a surround of old cushion-shaped diamonds in silver and gold, the carved and pierced gallery set with diamonds and depicting three leaf clovers, on trifurcated diamond shoulders and with re-sized yellow gold shank, size J ½

Accompanied by report number 5777-7827 dated 29th November 2016 from GCS, London stating that the cushion-cut emerald weighs approximately 1.6cts and is a natural emerald with minor indications of clairty enhancement, origin: Columbia