Flirt to your heart's delight with these gorgeous european back earrings made of 18K white gold. The drop's two round diamonds, which are bezel-set in the center and weigh a total of 1.40ctw, are surrounded by a frame of precisely placed diamonds totaling.98ctw. Latch-back closures use a hook-shaped wire, often a lever back or a euro wire. A latch adds an extra degree of security for dangling earrings to keep the earring locked and looped through the piercing.