Old mine diamond solitaire ring. Set to centre with one cushion shape old mine diamond, H colour, VS2 clarity with an approximate weight of 1.57 carats in an open back claw setting, to an elegant solitaire design featuring rounded claws, a decoratively pierced gallery and circular open backholing, leading to smooth raised shoulders and flowing through to a solid shank. Marked platinum and 18 carat white gold, circa 1915, accompanied by Gemmological Institute of America (GIA) report #5222033876.
