Antique sapphire and diamond engagement ring. Set with a cushion shape old mine diamond in an open back rubover millegrain setting with a weight of 0.85 carats, adjacent to a cushion shape old cut natural unenhanced sapphire in an open back rubover millegrain setting with an approximate weight of 1.00 carat, flanked by twelve round old mine diamonds tapered along the shoulders in open back grain settings with a combined weight of 0.30 carats. The total approximate diamond weight is 1.15 carats, to an elegant openwork and elaborate scrolled shoulder design, flowing down to a solid D-shank. Tested rose gold with platinum settings, circa 1905.
