Emerald and diamond three stone ring. Set with an octagonal emerald-cut natural Colombian emerald with no colour enhancement in an open back rubover setting with an approximate weight of 0.60 carats, further set with two round old cut diamonds in open back grain set octagonal collet settings with a combined weight of 0.60 carats, additionally set with with two rectangular baguette cut diamonds in open back rubover settings with a combined weight of 0.10 carats. The total approximate diamond weight is 0.70 carats, to an ornate openwork three stone design with millegrain edging, lace like intricate detailing to the gallery, fancy shaped backholing and trumpeting shoulders with an etched chevron pattern which extends throughout the V-shape shank. Marked platinum, indistinctly numbered, circa 1920, accompanied by Gemmological Certification Services report #78143-76.
