Silver Disc Drop Earrings with Cubic ZirconiaCubic Zirconia Drop Earrings These sterling silver drop earrings each feature a circular disc engraved with a detailed sunray pattern. At the very centre of this radiating design, a single, sparkling cubic zirconia stone is securely set. The polished finish of the sterling silver contrasts with the fine, engraved lines, creating a design that catches the light from multiple angles.