J.Crew Blue Grotto Crystal Earrings Starry crystals and aquatic stones—a mix of our favorite elements. Brass, glass, Czech stone. Light gold ox plating. Earrings Length: 2 ½” These earrings are in excellent condition and come from a smoke and pet-free home. These earrings are in excellent condition; I’ve never worn them, and they come from a smoke and pet-free home.