bordered by twelve old brilliant cut diamonds to an outer line edge of calibre scissor cut onyx, millegrain set, scallop and scroll pierced gallery, reeded shank, mounted in platinum, trace of stamp 'PLATINUM', the smaller diamonds approximately 0.90ctsDiameter of cluster 8mmWeight: 6g
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
Late 18th / early 19th century pear shaped emerald and diamond cluster ring, c.1800, the Colombian emerald of step cut and elongated outline, open set and inverted within a heart shaped border of old cut diamonds,