Cartierruby, sapphire and diamondcocktail ring. Set with five octagonal emerald-cutdiamonds in open backclaw settings with a combined approximate weight of 1.00 carats, further set with five square baguette cut natural unenhanced rubies in open back claw settings with a combined approximate weight of 1.00 carats and additionally set with five square baguette cut natural unenhanced sapphires in open back claw settings with a combined approximate weight of 1.00 carats, to a concave three row design, featuring curving claws, engraved detail to the ridged gallery and very fine open backholing, flanked by broad openwork wire shoulders and tapering through to a solid grooved shank. Marked 18 carat yellow gold and platinum, signed 'Cartier', numbered '51115', French, circa 1976.
Cartier ruby, sapphire and diamond cocktail ring, French, circa 1976.
Cartier ruby, sapphire and diamond cocktail ring. Set with five octagonal emerald-cut diamonds in open back claw settings with a combined approximate weight of 1.00 carats, further set with five square baguette cut natural unenhanced rubies in open back claw settings with a combined approximate weight of 1.00 carats and additionally set with five square baguette cut natural unenhanced sapphires in open back claw settings with a combined approximate weight of 1.00 carats, to a concave three row design, featuring curving claws, engraved detail to the ridged gallery and very fine open backholing, flanked by broad openwork wire shoulders and tapering through to a solid grooved shank. Marked 18 carat yellow gold and platinum, signed 'Cartier', numbered '51115', French, circa 1976.