Find your place in the rainbow and let your color shine! Every hue says something about you. What color will you reveal today? Chamilia's Birthstone Galaxy Charms are heirloom jewelry, made to last a lifetime and beyond, with Swarovski Zirconia and sterling silver. The openwork background allows the back of the stone to be open "to the day," enhancing the scintillating color and brilliance of each gem, bringing it to life.