Ariel Gordon Diamond Dust Necklace in Yellow Gold/White Diamond: Ready to ship in 2-3 weeks. Simple but statement-making, this bezel-set diamond is done in a sleek, fourteen-karat-gold setting that looks even more striking thanks to the delicately beaded chain. It’s the very definition of “everyday jewelry” (i. e., you never have to take it off).14k yellow gold, white diamond 18" chain length.