Never more popular, dangly earrings are not just for diamonds anymore. Browse our selection of dangly and drop Opal earrings and make a fashion statement! Opal is a treasured gem all over the world. A symbol of hope, purity, and love, opal earrings make an elegant and luxurious gift. White topaz is a popular substitute for the birthstone of April, which is diamond. A pair of white topaz earrings is an affordable alternative to expensive diamond studs.