Whether people or objects, all want to be identified. Once identified, is not worth double win honor and respect the items more. Humanity of all walks of life need to be identified, and the items are authoritative identification of the person to publish it, so that all walks of human trust. The Diamond as well, once a diamond clarity and color “have been identified, and get a high rating, then it is worth is an instant-storey. Like diamonds, to study diamonds, endorsed by the diamond GIA.