JewelStop 18k Solid Yellow Gold .8 mm Box Chain Necklace, Lobster Claw Clasp - 18", 2.8gr. JewelStop box chain necklace that has been beautifully designed. The yellow gold chain necklace has been crafted in 18k gold. The necklace is yellow gold in color. The box chain necklace has an unlimited 1 year warranty and 30 days money back guarantee. The product dimensions are: 18" long and 0.8mm in width. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it! All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free.