Art Deco cabochon amethyst and diamond cluster ring, circa 1920.
Art Deco cabochon amethyst and diamond cluster ring. Set to centre with a natural unenhanced round cabochon amethyst in an open back rubover setting with an approximate weight of 12.00 carats, flanked by two rectangular baguette cut diamonds in open back rubover settings with a combined approximate weight of 0.30 carats, further set with twelve round eight cut diamonds in open back grain settings with a combined weight of 0.30 carats. The total approximate diamond weight is 0.60 carats, to an ornate dress ring featuring an intricate engraved border with millegrain edging, a decoratively pierced gallery with scrolling motifs and open backholing, leading to tapering shoulders engraved with a floral and foliate motif and supported by cheniers, and flowing through to a solid D-shape shank. Marked platinum, circa 1920.