This 18ct rose gold necklace has a rectangular shaped locket pendant with a hinge opening and a clip fastening featuring an emerald cut black onyx stone and white pave diamond edges. The necklace has a long chain with a clip fastening link closure. 18ct rose gold, black onyx, 0.72ct white diamonds. Size and fit: Length 34in/86.5cm. Pendant drop 1.2in/3cm.