The precious gemstone blue sapphire is the birthstone of September, lucky stone. Sapphire has been incorporated into royal jewelry for centuries as a symbol of purity and wisdom. Some even think the stone is a link to the heavens and a conduit of intelligence and power. Cteated-apphire is an excellent choice for engagement rings because its durability and beauty is second only to diamond. Chain Length:17.7 inch ; Material:silver-and-gold-plated-base + AAA level September birthstone blue created-sapphire Square Cubic Zirconia 2.66 CT.Libra Sept. 23- Oct. 23 Best gift choice for daughter, girl friend and anyone you love. Comes in a very beautiful gift box. Ideal gifts for Valentines Day,Mothers Day, Anniversary Day and Birthday to your girlfriend, wife and mom and daughter and ourselves. Beautiful and Stylish Design with High Quality Material.Perfect for everyday wear or any occasion.