The diamond ring of Liu Fu logo steel seal has only one hexagon, which is the product of Liu Fu Jewelry. The diamond ring of Lukfook Jewelry, and the diamonds above 1 carat are all big certificates with clarity characteristic maps; And below one carat, it is a small certificate by default, and there is no clarity chart. A small number of diamonds below 1 carat will also be certified according to customer requirements, but the certification fee will be much higher. Non-professionals can't tell the truth from the false. If necessary, you can take the certificate to the domestic testing institutions for re-inspection.