The diamond ring bought by Lukfook Jewelry will have brand logo, diamond size and gold support type logo on the inner wall of the ring, and the ring sold will also have certificate and national warranty. Every diamond has a string of numerical codes on its waist.

When you receive the customer's ring, you will weigh it, check it with the insurance policy, and then look at the diamond waist size. After recording, you will issue a printed maintenance list to the customer. The list will clearly write down the size of the diamond, the weight of gold, the total weight, the material of the gold holder and the waist size.

When the ring is modified, look at the mark and the waist code and prove that it is the same ring. Because of this size, the total weight of the ring will definitely change.