These stud earrings are made from 18 karat gold-plated sterling silver and feature two black, Marquise-cut cubic zirconia arranged in a wing-like formation. They fasten at the back of the ear with butterfly clasps. Feminine and unique, these studs are suitable to wear day or night — just be prepared to dazzle! Also check out Gemstone Firefly Stud Earrings Sterling Silver Gold.