Solitaire old mine diamond ring, Russian, circa 1960.
Solitaire old mine diamond ring. Set with a cushion shape old mine diamond in an open back claw setting with an approximate weight of 0.55 carats, to a scalloped openwork collet with circular backholing, the elegant inwardly tapering shoulders flowing down to a solid D-shape shank. Marked 14 carat rose gold, Russian, circa 1960.