1, if it grows from small to large, then it is directly supported by the ductility of gold. If it is from big to small, then it is cutting, cutting off a section and then welding. Ring refers to the standard of circle size, called hand inch, calculated by numbers. Hand-inch is divided into Hong Kong style and American style, and China mostly adopts Hong Kong style.

2. Adding gold is a common method to change the size of the ring. The specific operation method is to cut the ring holder, add the same precious metal material, and then weld it. After welding is completed, the welding parts should be polished and renovated to eliminate welding traces.

3. Change the ringtone number. If the ring size is too big, you can go to the jewelry store to make it smaller. Professional jewelry stores usually cut off a part of the ring, which will not change the style and quality of the ring, but it means that the ring number becomes smaller.

4. The above two methods can be handled simply by individuals at home, but changing rings can only seek the help of professional jewelry maintenance agencies. According to the actual situation of the ring, you can choose a washer or cut gold to replace the small ring mouth.

5, silver ring or platinum ring can choose white line, gray line, gold ring can choose yellow line. The bigger the ring, the more loops you need to wrap. There is no specific standard for this. If you are not sure, try a few more times. Stick adhesive tape and wrap plastic wrap.