These birthstone rings are entirely handcrafted using genuine gemstones that are completely natural without being treated in any way. The band of the ring is made using high quality, hypoallergenic, and tarnish resistant materials: Sterling Silver or 14k Gold Filled. Your purchase will include your choice of one birthstone ring in either Sterling Silver or 14k Gold Filled. BIRTHSTONE CHART & MEANINGS January - Garnet (lasting commitment and passion) February - Amethyst (stress relief and habit