The details - 18K gold plated necklace Enamel is Forcaté style French enamel made with real gold Stainless Steel, waterproof, hypoallergenic, tarnish resistant Genuine crystals Lobster claw closure Each crystal is hand placed 16-18 in. chain with 3 in. extender and 1.5 in. pendant The backs are drilled out under the stone for light to penetrate and the celestial code of the card lays over your heart