An offset Green Onyx oval cabochon is cradled by contrasting chains in this stunningly wearable necklace. Necklace measures 18" with a 3" extender Green Onyx cabochon measures 10x8mm logo engraving at lobster clasp closure 14k Gold plated Bronze (nickel-free) Made sustainably in NY by Lady Grey using small-scale, localized resources and produced in limited quantities.