Sterling Silver, Freshwater Cultured Pearl (7-7.5 mm), and Cubic Zirconia Heart Pendant Necklace, 18" Sterling Silver Cable Chain Pave Duo Heart Pendant Made in United States Show your everlasting love with this gorgeous, timeless necklace, whose pendant is wrapped in a figure eight, creating the look of two hearts. Cubic Zirconia is an affordable diamond alternative that reveals brilliant shine and a meticulous cut. The natural properties and process of pearl formation define the unique beauty of each pearl. The image may show slight differences in texture, color, size, and shape.