Fall in love with the undeniable elegance of this gleaming black onyx pendant necklace. We have here fine black onyx gemstones faceted into marquise cut and placed to charm on a sparkling silver chain. The necklace is 16 to 19 inches long with 3 inch long silver extension chain and silver lobster clasp. Stone size may vary from 8mm x 4mm to 12mm x 6mm.