Antique cushion cut diamond cluster ring, c.1800, the principal diamond, later recut, bordered by eighteen small cushion cut diamonds, close cut down collet set in silver and gold with gold tapering flat shank
Antique cushion cut diamond cluster ring, c.1800, the principal diamond, later recut, bordered by eighteen small cushion cut diamonds, close cut down collet set in silver and gold with gold tapering flat shank