with a sugarloaf cabochon emerald of square cushion outline, flanked by tapering diamond articulated foliate shoulders with calibre emerald dart accents, upon an articulated diamond collet line shank, the diamonds all old double-eight and single cuts, all millegrain set in platinum, ring size H Sugarloaf emerald 4.7 x 4.6 x 4.3mm high Weight: 2.5g
Antique three stone turquoise and diamond cluster ring, c.1900, the three graduated oval cabochon turquoise bordered by single cut diamonds, coronet claw set in gold, fluted shoulders, gold 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,