Make your looks stand out for the better with this selection of rainbow necklaces. Colorful designs that you'll want to get your hands on immediately, a rainbow necklace is a hard style not to fall in love with. If you're all about a bold look, then a rainbow necklace by Andrea Fohrman, and Sydney Evan and are places you need to check out first. Want to take your energy deeper with a rainbow-moonstone necklace? Cathy Waterman has just the thing.