Locket Jewelry, Sterling Silver - Collection of sterling silver, mixed metal lockets. Most all lockets have a top, bottom and center. All our lockets rest together. Top is designed to fit rested inside bottom disc. lockets can be customized inside with name or phrase. Most Locket necklaces are Sterling silver or a combination of 3 metals brass or bronze, copper and sterling silver. Since Locket necklaces rest together they are easy to open and very secure.