Art Deco emerald and diamond coronet cluster ring. Set to centre with an octagonal emerald-cut natural Colombian emerald with no colour enhancement and minor clarity enhancement in an open back rubover setting with an approximate weight of 1.50 carats, surrounded by twenty two round old eight cut diamonds in open back grain settings with an approximate combined weight of 0.44 carats, to a linear cluster design featuring polished edges, an ornate openwork scrolling gallery, and intricate backholing, leading to slightly raised shoulders and flowing tdown through to a solid flat shank. Marked platinum, French, circa 1925, accompanied by Gemmological Certification Services report #5775-1447.
