Vintage cabochon sapphire and diamond cluster ring. Set with an oval cabochon natural unenhanced Ceylon sapphire in an open back four claw setting with an approximate weight of 6.20 carats, surrounded by ten round brilliant cut diamonds in open back claw settings with a combined weight of 0.80 carats and six rectangular baguette cut diamonds in open back claw settings with a combined weight of 0.48 carats. The total approximate diamond weight is 1.28 carats, to an undulating cluster design with a raised openwork gallery, pierced backholing and trumpeting split shoulders which lead through to a flat shank. Marked 18 carat white gold, indistinct maker's mark, English, circa 1960, accompanied by Gemmological Certification Services report #78156-15.
