Sapphire and diamond cluster ring by Cartier Paris. Set slightly raised to centre with an oval old cut natural unenhanced Ceylon sapphire in an open back four claw setting with an approximate weight of 4.50 carats, flanked by six rectangular baguette cut diamonds in open back claw settings to an outward spray with a combined weight of 1.00 carat, further set to top and bottom with fourteen round brilliant cut diamonds in open back claw settings to two alternating rows with a combined weight of 1.40 carats. The total approximate diamond weight is 2.40 carats, the cluster is set to a structured linear openwork gallery, conforming to the finger and flowing down to split tri-part shoulders and a solid ridged shank. Marked platinum, maker's mark 'Cartier Paris', numbered '10675', French, circa 1960, accompanied by GPL report #07308.
