Dainty Black Onyx bead necklace crafted in 18 karat yellow gold overlay. Necklace features 1 round onyx bead on a 17 inch chain with 3 inch extender. Necklace has secure, lobster-claw clasp. It comes packaged in a light pink organza pouch and is 100% hypoallergenic. It can be worn alone, or with other necklaces for a layered look.