The Jade Herringbone Necklace is the perfect piece to stack with other necklaces or wear as a stand alone accessory. Available in 18k gold fill or sterling silver - tarnish and wear resistant, and made to last. Hypoallergenic and nickel free, this unique and dainty chain is the perfect accessory all year long. Available in 16" & 18", for however you choose to layer. 3mm width.