Royal Blue Burmese sapphire and diamond three stone ring. Set to centre with a cushion shape old cut natural unenhanced Royal Blue Burmese sapphire in an open back claw setting with an approximate weight of 1.59 carats, flanked by two cushion shape old mine diamonds in open back claw settings with a combined approximate weight of 0.60 carats, to an elegant three stone design featuring curving claws, an open gallery and fancy open backholing, the trumpeting shoulders with ridged detail flow through to a solid D-shape shank. Tested yellow gold, circa 1900, accompanied by Gem Research SwissLab (GRS) report #GRS2022-116541.
