AN ART DECO ROCK CRYSTAL, LABRADORITE AND GOLD GUITAR PENDANT NECKLACE, BY GERARD SANDOZ – Christie’s Suspending a ribbed 18k rose gold guitar, set with a central frosted rock crystal tubular panel with black enamel trim, to the cylindrical labradorite, black enamel and 18k white gold base, to the 18k white gold brick link top, from a double-strand black silk cord, circa 1925,
DIAMOND AND EMERALD RING, 'PANTHÈRE', CARTIER Pavé-set with brilliant-cut diamonds, the eyes set with pear-shaped emeralds, size 52, signed Cartier, numbered, French assay and maker's marks, onyx nose deficient.
Sapphire and diamond brooch, Cartier, 1960s. Designed as a flower, set with an oval sapphire weighing 14.66 carats, and brilliant-cut, marquise-shaped, baguette and tapered baguette diamonds, signed Cartier, numbered.
Edwardian Chameleon Sapphire, Diamond, Platinum, Gold Ring The ring features an oval-shaped chameleon sapphire measuring 13.33 x 11.71 x 12.57 mm and weighing approximately 15.70 carats, accented by rose-cut diamonds weighing a total of approximately 0.60 carat, set in platinum, completed by an engraved 18k white gold shank