Gold, Turquoise, Lapis and Diamond Necklace, Cartier. photo Doyles New York 18 kt., the openwork tapering necklace composed of interlocking triangle-shaped clusters of round cabochon turquoise spaced by clusters of round cabochon lapis, all edged by scalloped...

Edwardian Platinum, Natural Pearl and Diamond Pendant. Photo: Courtesy Doyle New York Centering one light gray natural pearl approximately 12.72 x 11.30 mm. within a drop-shaped frame set with old European and rose-cut diamonds, circa 1910. With GIA report...

Colored stone, freshwater pearl and diamond necklace/brooch combination The multi-stranded torsade composed of numerous emerald, sapphire and ruby beads, spaced by freshwater pearls and accented by fluted gold beads and rondelles, completed by a ram's-head...

Freshwater pearl and diamond 'Hindu' tassel bracelet, René Boivin, circa 1950 The torsade composed of eight strands of freshwater pearls, completed by stylized ropetwist gold terminals set with small round diamonds weighing approximately 1.70 carats,...