Colombian cabochon emerald ring. Centrally set with a cushion shape cabochon natural Colombian emerald with minor clarity enhancement in an open back rubover setting with an approximate weight of 2.20 carats, to a bombé design with polished edges, a solid gallery and fancy open backholing, the broad integrated shoulders taper through to a solid D-shape shank. Tested platinum, circa 1920, accompanied by Gemmological Certification Services (GCS) report #81309-32.
