Ruby signifies passion and unbridled, unrestrained love, making a pair of ruby earrings a perfect Valentine's day gift. A pair of created pink sapphire earrings make an excellent gift. Pink gemstones are stylish and chic, and our lab-created pink sapphires are an affordable alternative. 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.