The Vintage Stauer Tanzanite 89 CTs Necklace is a stunning piece of fine jewelry perfect for an anniversary. This natural Tanzanite necklace features a beautiful blue gemstone with a total carat weight of 89. The necklace is signed by the brand Stauer and has a metal purity of 925. The beaded style and round shape of the Tanzanite make it a unique and elegant accessory for any occasion.