JewelStop 10k Solid Yellow Gold 1 mm Extendable & Adjustable Spiga Wheat Chain, Lobster Claw - 22", 2.4gr The yellow gold chain necklace has been crafted in 10k gold. JewelStop wheat chain necklace that has got a stunning design. The necklace is yellow gold in color. The wheat chain necklace has an unlimited 1 year warranty and 30 days money back guarantee. The product dimensions are: 22" long and 1mm in width.