Art Deco style jadeite necklace, three polished jadeite bead strands set in a waterfall style with two geometric plaques, featuring princess cut and cabochon onyx and approx. 1.30ct of round brilliant cut diamonds grain set in 9ct white gold, upon a single strand of polished, jadeite beads with small red coral beads throughout and a sterling silver clasp, stamped '925?, length 34.5 cm