19mm 10k Polished and Sparkle-Cut Endless Hoop Earrings - - 19x19mm Wide 3mm Thick - .9 Grams In 10k Yellow Gold - - Thickness: 3 mm - Width of Item: 19 mm - Length of Item: 19 mm - Earring Closure: Hidden Wire & Catch - Earring Type: Hoop - Finish: Polished - Feature: Hollow - All of our jewelry for women and men are authenticated with a 10K or 14K hallmark and are tested to pass FTC regulations.