An Art Deco diamond and onyx drop pendant, the tapered rectangular mount with openwork design inset with calibre-cut onyx and round-cut diamonds, suspended to centre with a mixed pear-cut diamond, measuring approximately 7 x 5.5 mm (measured in millegrain mount), the surmount with asymmetricfloral design, beneath a carved onyx bead, pendant approximately 6 cm long including suspension loop, on a white metal fancy link chain, in associated antique necklace box.