Old mine diamond ring. Set to centre with a cushion shape old mine diamond in an open back grain setting, with an approximate weight of 0.23 carats, to a solitaire design featuring a central star motif, polished borders and open backholing, leading to smoothly integrated shoulders and flowing through to a solid D-shape shank. Marked 18 carat yellow gold, makers mark 'J.G', numbered '97' and '1109', full hallmarks for London, English, circa 1919.
