Colombian emerald and diamond cluster ring. Set to centre with one square step cup natural Colombian emerald with minor oil in an open back rubover setting with an approximate weight of 0.35 carats, surrounded by fourteen round eight cut diamonds in open back grain and rubover settings with a combined weight of 0.60 carats, to an elegant cluster design with scalloped edging and millegrain decoration, an intricate openwork gallery with scrolling motifs and fancy open backholing, leading to inwardly tapering shoulders flowing through to a solid D-shape shank. Marked 18 carat yellow gold and platinum, indistinct makers mark, engraved '29.12.27 A.W.H - G.A.F', circa 1910, accompanied by Gemmological Certification Services (GCS) report #5782-2244.
