DetailsSapphire & Diamond Ring. Perfect for the September-born birthday girl, this sapphire and diamond fashion ring adds a bright pop of color to her finger. Crafted in bright 10K white gold, this stylish ring showcases a oval-shaped bright blue sapphire in a four-prong setting. Shimmering diamond accents flank each side of the gemstone, adding extra sparkle and completing this exquisite design. Polished to a brilliant shine, this ring is certain to become one of her go-to favorites.