Mother's Day Gift | Personalized stackable ring set Birthstone Stackable Rings With one sterling silver halo birthstone with two 18k gold plated stainless steel connectors. Perfect for the mixed metal girlies! This ring is a 3-in-1 and is designed to be worn as ring stack. Metal: sterling silverDimensions: 1.5mm band with 3mm birthstone (real gemstone) Available in all 12 birthstones: January (Garnet), February (Amethyst), March (Aquamarine), April (Mossiant Diamond), May (Emerald), June (Pearl), July (Ruby), August (Peridot), September (Sapphire), October (Opal), November (Topaz) and December (Blue Tanzanite) 18k gold plated sterling silver Non-tarnish + waterproof Hypoallergenic Sizing Info: Due to the design of this ring, sizing does run a little small. We recommend sizing one size up from your normal ring size, especially if you’re in between ring sizing.