Trio Jade, Black Onyx, 18k Yellow Gold Necklace. Featuring three carved round jadeite jade beads ranging in size from approximately 21.7 mm to 19.7 mm, each flanked by two 18k yellow gold Asian style open work beads, accented by twenty-four round black onyx beads measuring approximately 14 mm, completed by a 18k yellow gold fluted ball form clasp, forming a 20 inch necklace. {Gross Weight: 102.1 dwts} Note: Signed "Trio" on clasp. Some thread coming apart, needs to be restrung.