14k White Gold Cubic Zirconia Initial Pendant with Yellow Gold Heart Charm Necklace This pendant necklace is made of solid 14k gold, featuring high quality cubic zirconia stones. Our cubic zirconia is bright and clear with an unmatched sparkle, so it will easily convince others it's the real thing. The initial pendant is 15mm (0.59 in) long, the width and weight varies by letter. The heart pendant measures 6mm (0.24 in) x 7mm (0.28 in). The chain is 0.6mm thick and weighs approximately 0.8g.