The history of mosaic goes back thousands of years, but we've never seen the ancient art form look more modern than on this long, colorful Ippolita pendant necklace. From the Rock Candy Collection. Shiny 18-karat solid yellow gold chain and pendant setting. Round mosaic pendant created with polished lapis, variegated turquoise, and mother-of-pearl. Pendant, 1 3/4" diameter. Necklace, 36"L. Lobster clasp.