Zina Sterling Silver jewelry is often described as versatile and eclectic, with a good dose of fun. Based in Beverly Hills, Zina, the daught… Zina Sterling Silver jewelry is often described as versatile and eclectic, with a good dose of fun. Based in Beverly Hills, Zina, the daughter of Polish immigrants, has enjoyed success with her jewelry designs for 25 years, and is still going strong today. These artful sterling silver earrings burst into fireworks for a look that's festive and free-spirited. Clip-on, Zina sterling silver earrings.