A jadeite jade, diamond and platinum bracelet the link bracelet featuring floral and animal carved jadeite plaques, alternating with links of circular carvings within a stylized pagoda motif, set with old European-cut diamonds; estimated total diamond weight: 11.60 carats; length: 7 3/4in.
The Thurn and Taxis Diamond and Emerald Jewel, c.1780, An important emerald and diamond-set jewel, centrally-set with a square step-cut emerald within a border of sixteen cushion-cut diamonds, mounted in silver and yellow gold, currently as a brooch.
A diamond and gem-set floral motif double-clip brooch composed of buff-topped rubies, sapphires, emeralds, amethysts and black onyx with round brilliant-cut diamond borders; estimated total diamond weight: 2.10 carats; mounted in platinum-topped eighteen karat gold.
RUBY AND DIAMOND BRACELET, 1930S. The articulated bracelet of geometric plaque design, set with circular-cut and oval rubies, pear-shaped, circular-, single-cut and baguette diamonds, length approximately 176mm.
An art deco jadeite jade and diamond clip, French, circa 1925 centering two floral and foliate carved and pierced jadeite plaques, surrounded by a shaped frame set with old European and single-cut diamonds, with millegrain accents; signed Cartier Paris, no. 63742, with French assay marks and maker's mark; estimated total diamond weight: 2.85 carats; mounted in platinum; length: 1 1/4in.
AN ANTIQUE DIAMOND AND GREEN CHALCEDONY BROOCH Designed as a cluster of vari-sized green chalcedony grapes, suspended by old European and old mine-cut diamond leaves and stem, mounted in silver and gold, circa 1895, in a red leather case