Oval Shape Sterling Silver Lace Ring Sizes 5 to 9 in Various Gemstones Features 8x6mm, 1 carat oval genuine Aquamarine with a faceted finish to reflect light to perfection Interweaving halo design 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 March Perfect gift for Birthdays, Mothers Day, Valentines, Anniversary, Bridesmaids, Graduation, Christmas or just about any other gift giving occasion.