Shop now. Marni Metallic Gold Ball Double-Hoop Earrings. Marni earrings are the easiest way to tap into the Italian house’s exaggerated and playful luxury. These overblown, bold double-hoop earrings are decorated with gold-tone brass beads and set with a black resin disc and red and white crystals. Keep everything else minimal to let them make maximum impact. Push-back fastening.