the 'saddle' and shank carved of a single piece of corallium rubrum and embellished with three ribs pave set with round brilliant cut diamonds, mounted in lined in platinum, French assaymark, signed 'Cartier Paris, crossed C's workshop mark for CartierLength of head 2.5cm / 1''
Height of head 0.9cm / 5/16''
Width shank at back0.6cm / 3/16''Weight: 11g
Art Deco diamond and sapphire oblong cluster ring, c.1920, set with an old lozenge cut diamond to a calibre cut sapphire ground and outer diamond border of old brilliant cut stones, diamond line shoulders extending up to the principal diamond, millegrain set, engraved anthemoin and laurel to half shank, lozenge pierced to gallery, serial number within the shank 3632
Antique emerald and diamond five stone ring, c.1850, claw set with graduated square cut corner step-cut stones, carved gold sides, total emerald weight approximately 2.75cts