JewelStop 14k Solid Yellow Gold 0.7 mm Extendable & Adjustable Box Chain, Lobster Claw - 22", 2.2gr. The yellow gold chain necklace has been crafted in 14k gold. JewelStop box chain necklace that has been beautifully designed. 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: 22" long and 0.7mm in width.