*OUR DIAMONDS ARE EXCLUSIVELY NATURAL AND NOT CE DIAMONDS (CLARITY ENHANCED); "CE" (CLARITY ENHANCED) DIAMONDS ARE STILL DIAMONDS, BUT WITH MODIFIED PURITY, THEREFORE OF LOWER QUALITY. THANKS TO CUTTING-EDGE TECHNOLOGY, IT IS ABLE TO ELIMINATE IMPERFECTIONS AND INCREASE BRIGHTNESS AND SHINE. THESE CE DIAMONDS THEREFORE, BEING NOT NATURAL, BUT TREATED, HAVE A MARKET PRICE SIGNIFICANTLY LOWER THAN NATURAL ONES. SO PAY ATTENTION TO THE LOWEST PRICE! IT MAY BE MISLEADING!!! IT IS NOT ALWAYS SYNONYMOUS WITH AUTHENTICITY, QUALITY AND ABOVE ALL A BARGAIN. - The item for sale includes warranty, beige velvet case with packaging and tax receipt or invoice (on request) - We sell with a money back guarantee (read description details) All items on sale are guaranteed authentic and free from undeclared.