This round halo birthstone pendant necklace is made from solid 925 sterling silver with sparkling high-quality cubic zirconia stones. A perfect gift for women & girls looking to add a touch of elegance to their casual outfits. The necklace is coated with an anti-tarnish plating to make sure it doesn t fade or change color over time. Available in cable chains of sizes 16 inch and 18 inch to help you find the perfect match.