Old mine diamond solitaire ring. Set with a cushion shape old mine diamond in an open back claw setting with an approximate weight of 0.55 carats, to an elegant solitaire design featuring curving claws, a decoratively pierced gallery with scrolling motifs, and open backholing, leading to linear carved shoulders terminating in ridged detail, and flowing through to a solid D-shape shank. Marked 18 carat yellow gold and platinum, circa 1905.
