Edwardian Colombian emerald and diamond three stone ring, circa 1910.
Edwardian Colombian emerald and diamond three stone ring. Set with one central octagonal emerald-cut natural Colombian emerald with minor oil in an open back claw setting with an approximate weight of 1.65 carats, flanked by two round old cut diamonds in open back claw settings with an approximate total weight of 1.50 carats, above an ornate scrolled gallery with pierced backholing, flanked by raised tri-part shoulders, and on a tapered D-shape shank. Tested platinum, circa 1910. Accompanied by a Swiss Gemmological Institute report (SSEF)#122158.