Edwardian diamond crossover ring. Set with two round old cut diamonds in open back claw settings, with a combined approximate weight of 2.10 carats, flanked by two cushion shape old mine diamonds in open back claw settings with a combined weight of 0.30 carats. The total approximate diamond weight is 2.40 carats, to an ornate crossover design with curving claws, a finely pierced gallery and open backholing, leading to smooth split shoulders flowing through to a solid D-shaped shank. Tested as yellow gold and platinum, circa 1910.
