Add an elegant touch to your ensemble when you don this fabulous freshwater cultured pearl and onyx necklace. Necklace Details Length: 18 in. Clasp: lobster-claw Metal: 14k gold Cultured Pearl Details Type: freshwater Shape: round Size: 7.5-8 mm Color: white Stone Details Stone type: genuine onyx Cut: checkerboard cushion Setting: bezel Size: 18″. Color: Black. Gender: Female. Age Group: Adult.