March birth stone aquamarine March birthstone aquamarine stackable ring sets of single make a great birthday present to amaze that special lady. Additionally, if she is a mom, you might even choose single rings and sets to create a aquamarine birthstone set tailor-made for the birth stones of herself and her children. Our aquamarine March birthstone styles shine in these breathtaking platinum eternity settings. Both time honored & up-to-date platinum eternity setting designs are here, showcasing our variety of fourteen various jewels available in hundreds of combinations!