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 Cartier, accompanied by IAJA Expertise report no. XP1857-270824 signed by Olivier Bachet & Bernhard Berger declaring that in their opinion this is a 'genuine Cartier item' from Cartier Paris Length of head 2.5cm / 1''
Height of head 0.9cm / 5/16''
Width shank at back0.6cm / 3/16'' Weight: 11g
Antique emerald and diamond three stone ring, c.1900, centred by a principal 2.33ct octagonal step cut Colombian emerald, flanked by cushion cut diamonds, rose cut diamond points between, to an openwork looped scroll gallery and reeded shoulders, mounted in 18ct gold, accompanied by GPL report no. 21811 giving the Colombian origin opinion for the emerald and that the stone shows minor clarity enhancement, the cushion cut diamonds approximately 0.80cts in all
Art Deco cushion ruby and diamond cluster ring by Tiffany & Co., of low bombe design, the cushion cut Burma ruby of approximately 1.00ct, part collet set,