ENAMEL Copenhagen. Giana Small Hoop Earrings E297GMaterials: Our jewelry is made from precious metals, stones, and pearls. We use 925 sterling silver, and our gold plating are 18K solid gold. We also work with freshwater pearls and zircons. All the colored pearls on our jewelry are made with hand painted enamel. Description: Gianna Small is the little sister of our Gianna Hoops. The Gianna hoops are for those that like a clean look in their jewelry box, but would like their jewelry to look handmade