Old mine diamond solitaire ring. Set with a cushion shape old mine diamond in an open back claw setting with an approximate weight of 1.10 carats, to an impressive solitaire design featuring curving claws, a smooth gallery and open backholing, leading to broad integrated shoulders and flowing through to a solid D-shape shank. Marked 18 carat yellow gold, partial hallmarks for Birmingham, English, circa 1880.
