Colombian emerald and diamond flanked solitaire ring, circa 1925.
Colombian emerald and diamond flanked solitaire ring. Set with an octagonal emerald-cut natural Colombian emerald with no clarity enhancement in a open back rubover setting with a weight of 1.25 carats, further set with two tapered baguette cut diamonds in open back rubover settings with a combined approximate weight of 0.40 carats, further flanked by six round eight cut diamonds in open back grain settings with a combined weight of 0.20 carats. The total approximate diamond weight is 0.60 carats, to a geometric design, featuring millegrain edging, a decoratively pierced gallery with cheniers and scrolling motifs, and fancy shape open backholing, leading to raised shoulders which terminate in ridged detail, and flowing through to a solid D-shape shank. Tested platinum, circa 1925, accompanied by Gubelin report #22082143.