Alix's Screw Back Earrings - 2 TCW Round Cut CZ make one of our most popular styles available for women without pierced ears! Each round cut 1 carat faux diamond CZ is prong set against a sterling silver screw backing. Screw backings allow you to adjust how tightly the earrings hug your ears, so you're sure to find a comfortable fit! Sterling silver portions of the earrings are thin and subtle - they keep the focus on the stunning clear CZs. Shop our entire collection of clip-on, magnetic, and screwback earrings today! This item is part of our nickel free jewelry collection! For more information, or to shop all of our nickel free jewelry items, check out our nickel free jewelry section!