Edwardian deep Royal Blue Burmese sapphire solitaire ring. Set to center with a cushion shape old mine natural unenhanced deep Royal Blue Burmese sapphire with an approximate weight of 2.09 carats in an open back claw setting, to an elegant solitaire design featuring curving claws, an intricately pierced gallery and circular open back backholing, the slightly raised trumpeting shoulders flow through to a solid tapering D-shape shank. Marked platinum and 18 carat rose gold, English, circa 1915, accompanied by GemResearch SwissLab (GRS) report #GRS2017-062597.
