These sleek polished hoops give your everyday look extra flair and incredible durability with their unparalleled strength. Crafted with 14k yellow gold and nano diamond resin in a special electroforming process. they're ultra-lightweight and comfortable. You won't even know you're wearing them except for all the compliments you keep getting.1 7/8" diameter. 14k gold nano diamond resin filled. Hypoallergenic.