Old mine diamond solitaire ring. Set to centre with a cushion shape old mine diamond in an open back claw setting with an approximate weight of 0.50 carats, to an elegant solitaire design featuring split claws, an intricately pierced gallery and circular open backholing, flanked by tri-split openwork shoulders which terminate in ridged detail before flowing through to a solid D-shape shank. Tested platinum, circa 1905.
