TARNISH-FREE, WATERPROOF, SWEAT PROOF Jewelry This pendant features one large Lapis Lazuli gemstone that weighs a total of 38.20 ctw. It is dark blue in color and opaque. There has been no treatment or enhancement done to this stone. There are 3 Austrian crystals that are on the front of the pendant. They are placed with glue. The chain to this necklace is made of stainless steel and is 20 inches in length.