with square cut sapphire between cushion cut diamonds, channel set, raised above a gallery set with calibre lines of sapphires and diamonds, mounted in platinum, French platinum mark and workshop mark Length of head 1.7cm / 5/8'' Weight: 4g
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,