Sterling Silver Round Cut Three-Stone Gemstone Halo Ring Sizes 5 to 9 Features 2 carats total weight of 6.5mm round genuine Amethyst and 5mm round genuine Amethyst gemstones Classic Three Stone halo design representing Past, Present and Future All gemstones and 925-Stamped Sterling Silver metal used are authenticated and as marked. Includes Certificate of Authenticity. For Amazon-fulfilled orders Certificate is available upon request. Birthstone for the month of February Perfect gift for Birthdays, Mothers Day, Valentines, Anniversary, Bridesmaids, Graduation, Christmas or just about any other gift giving occasion.