The ring size in China is generally 7-24, while the ring size in Europe is 44-61, so the ring size 55 is one of the ring sizes belonging to Europe.
According to the European scale table, it can be seen that the circumference of the ring No. 55 should be 55mm and the diameter should be 17.51mm.
Second, can the ring be changed
1. Stretch
This is the simplest way, and rings that need to be enlarged do not require complicated processing. Just choose a professional ring stick and hold the ring open slightly. Today's rings are mostly made of K gold, platinum and other malleable metals, it is easy to support the size of the ring, but this way of supporting the big ring through the physical principle is very limited, because the number of the ring to change the ring is there is a fixed interval, more than this interval can only be another method, usually choose this method can increase up to 1 size number, not recommended too much.
3. Grinding
Ring finger ring can also be used to improve the way of grinding, professional maintenance personnel with special instruments to thin the ring ring, so that to a certain extent will increase the ring ring number, so that the ring number larger, but this method also has limitations, in order to ring quality, it is recommended to increase up to two ring number.
Although the washer is a simpler way to change the ring, it is only for the ring to be smaller. The process is to create a washer that is the same color as the original ring, and then place it on the inner ring. This method is the same as stretching the ring, which will not cause any damage to the ring. And if the finger ring becomes larger in the future, just remove the washer, which is very convenient.
2. Cut gold
Ring finger ring is smaller there is a relatively simple way is to wrap, you can use their favorite silk thread wrapped on the ring, to achieve the purpose of ring reduction, but this way may affect the ring style, not very beautiful, usually suitable for aperture gold ring, more elegant and simple.