Colombian emerald and diamond cluster ring. Centrally set with an octagonal emerald-cut natural Colombian emerald with insignificant clarity enhancement in an open back claw setting with an approximate weight of 0.70 carats, surrounded by a single row of fourteen round old cut diamonds in open back grain settings with a combined approximate weight of 0.70 carats, to an elegant coronet cluster design, featuring curving claws, a geometrically pierced open gallery and fancy open backholing, the raised open tri-split shoulders terminate in ridged detailing, flowing through to a solid D-shape shank. Tested platinum, circa 1920, accompanied by Gemmological Certification Services report #81316-22.
