10k Yellow Gold Valu-plus 1.8mm Sparkle-Cut Lightweight Chain Necklace - 18 Inch - 3.1 Grams in 10k Yellow Gold - Width of Item: 1.8 mm - Length of Item: 18 in - Chain Length: 18 in - Chain Width: 1.8 mm - Clasp /Connector: Lobster - Finish: Polished - Chain Type: Rope - Feature: Solid - Feature 2: Lightweight - Clasp Width (Male end): 4 mm Solid ; Sparkle Cut ; Polished ; Lobster Claw Closure ; 18 Inch chain - All of our jewelry for women and men are authenticated with a 10K or 14K hallmark and are tested to pass FTC regulations.