Metal:alloy. Main gemstone:blue crystal.Gemstone diameter:0.8inch. Necklace length:18 inches+2 inchesDescription: Pretty necklace, classic heart design, ideal gift for a womanEach item is packed in a beautiful deluxe gift box. This item is perfect for you or makes a lovely gift: 1. ?for your loved ones e.g. girlfriend fianc??e wife mother sister or just a friend; 2.? on any occasion ex. Christmas Valentine??s Day anniversaries birthdays.Neoglory Jewelry is committed to provide the best jewelry and the best services to every customer your feedback is our motivation. We are looking forward to your ?????? feedback.