Belle Époque Sapphire coronet cluster ring. Set to centre with a cushion shape old cut natural no heat sapphire in an open back claw setting with weight of 1.95 carats, encircled by twelve cushion shape old mine diamonds in an open back claw settings with an approximate combined weight of 0.45 carats, to a coronet cluster design featuring curving claws, an intricately pierced gallery and fancy shape open backholing, flanked by tapering shoulders flowing through to a solid tapering D-shape shank. Tested platinum and 18 carat rose gold, French, early 20th Century.