Sapphire and diamond cluster ring. A natural unenhanced cushion shape old cut sapphire is set to centre with an approximate weight of 2.10 carats, encircled by a double row of round old cut diamonds and two to the shoulders in open back grain and rubover millegrain settings, eighteen in total with an approximate combined weight of 2.00 carats, to an elegant octagonal cluster form with an ornate scrolling openwork gallery and intricate pierced backholing, flanked by split tri-part motif shoulders, flowing smoothly down to a solid D-shape shank. Tested yellow gold with platinum settings, circa 1910.
