Sterling Silver Necklace & Diamond Heart Pendant

Sterling Silver necklace and sterling silver interlocked heart pendant with three small diamonds in the larger heart. Necklace is stamped NC 925. Pendant is stamped 925 and something that looks kind of like a 2. Length of necklace: 18.5" Size of pendant: .6" x .6" Most jewelry items are not tested, unless it is specified in the listing that it has been tested, all other items are described only by the stamps and markings, which I am happy to show pictures of.