These hoop earrings feature 1/4 CT TW lab grown diamonds handcrafted in rhodium plated sterling silver. These diamonds are created in a laboratory setting and are identical to a mined diamond in every way. Lab grown diamonds are eco-friendly and conflict-free, making them a great choice for those who want to make a conscious decision when purchasing jewelry. This ring is certified by the International Gemological Institute (IGI) and comes with an IGI certificate card. The IGI is the world's largest independent gem certification and appraisal institute, so you can be sure that your diamond is of the highest quality. Click top closure Color rating: H, I Clarity rating: H-I; I1 Polished finish China Imported Material & Care Metal, Sterling silver Clean with a soft bristle brush and warm soapy water.