*Our diamonds are exclusively natural and not ce diamonds (clarity enhanced); "CE" diamonds (Clarity Enhanced) are still diamonds, but with modified purity, therefore of lower quality. Thanks to an avant -garde technology, it is possible to eliminate its imperfections and increase its brightness and shine. These diamonds are therefore not natural, but treated, they have a clearly lower market price than natural ones. Do so attention to the lowest price! It could be misleading !!! It is not always synonymous with authenticity, quality and above all a deal. - The object for sale is including a guarantee, beige velvet case with packaging and tax receipt or invoice (on request) - We sell with the clause satisfied or reimbursed (read details Description) All objects for sale are guaranteed auth.