Sapphire and diamond coronet cluster ring. Set to centre with a round old cut natural unenhanced sapphire in an open back claw setting with an approximate weight of 1.00 carats, encircled by eight cushion shape old mine diamonds in open back claw and grain settings with a combined approximate weight of 0.80 carats, to an ornate coronet cluster design featuring curving claws, a intricately pierced gallery and open backholing, leading to split shoulders with carved detailing and flowing through to a solid D-shape shank. Marked 18 carat yellow gold, maker's mark 'T&S', full hallmarks for Birmingham, English, 1910, accompanied by Gemmological Certification Services report #5783-669.
