Genuine Tanzanite and White Topaz Hoop Earrings in Sterling Silver (1 1/2ct tw) Genuine Tanzanite and White Topaz Earrings measure just over 1/2 inch, top to bottom Sterling Silver Settings Please see image number 2 for earring length All of our diamond suppliers and MLG state that to the best or their/our knowledge that all of our diamonds are conflict free. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it! All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free.