Gold Naturalstone Collar Necklace Radiate enviably glamorous charm whenever you round off your eveningwear style with this must-have natural-stone collar necklace. Collar necklace. Woven-chain detailing throughout. Bezel-set natural-stone embellishments throughout. Adjustable lobster-clasp fastening. Material: zinc alloy, natural stone, iron, copper alloy, cotton. Color: African jade