Edwardian Colombian emerald and diamond coronet cluster ring. Set to centre with a square emerald-cut natural Colombian emerald with no colour enhancement and minor clarity enhancement in an open back rubover setting with an approximate weight of 0.90 carats, encircled by a single row of sixteen round old cut diamonds in open back rubover settings with a combined approximate weight of 0.50 carats, to an elegant scalloped cluster featuring polished edges, an ornate openwork gallery with scrolling motifs and open backholing, leading to inwardly tapering shoulders and flowing through to a solid D-shape shank. Tested platinum, circa 1915, accompanied by Gemmological Certification Services report #80261-47.
