Sterling Silver Cushion Legacy Ring Sizes 5 to 9 in Various Gemstones Features 10x8mm, 4 carats cushion-cut lab-created Blue Sapphire with a faceted finish to reflect light to perfection High-class and sophisticated take on the classic solitaire 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. Ideal for fans of deep rich blue Perfect gift for Birthdays, Mothers Day, Valentines, Anniversary, Bridesmaids, Graduation, Christmas or just about any other gift giving occasion.