Lady’s seed pearl, onyx and diamond fob watch, 1920. The cut-cornered rectangular dial applied with Arabic numerals, signed Weinberg, the reverse decorated with onyx and single-cut diamonds, to a seed pearl mesh chain and brooch, accented with single-cut diamond panels. Via Sotheby’s.
Art Deco Platinum, Diamond and Sapphire Brooch, Cartier. The openwork tapered oval brooch topped by one square-cut sapphire, accented by 3 diamond-shaped sapphires spaced by 2 round sapphires, set throughout with 66 old European and single-cut diamonds, and 4 rose-cut diamonds, circa 1920.
ART DECO ONYX AND DIAMOND PIN, CARTIER, CIRCA 1925. The first a jabot pin designed as an arrow, set with a modified triangular segment of onyx as well as with old European-cut and single-cut diamonds, mounted in platinum, signed Cartier, numbered 1442 and 1535; signed Cartier.