This Yellow Gold Plated Diamond Heart Key Pendant Necklace can provide even more surprise to your proposal. Twenty round, brilliant-cut, glittering diamonds totaling 1.1 mm in size are set into the pendant. This pendant has a simple form that has deep significance. It is polished to a brilliant brilliance and hangs from an 18.0-inch cable chain that attaches with a spring-ring clasp. We provide a wide range of products, like pendants, fashion and wedding bands, rings, and bridal jewelry.