If the gold necklace has not passed the warranty period, you can go to the store to repair it.

2, go to the gold shop to repair:

If it takes a long time, you can choose to go to the gold shop for repair.

3. Welding by yourself:

If you don't mind being beautiful, you can repair it yourself, or find someone who is more fitter and more handy, but the quality is difficult to achieve. But you can see the welded gold necklace. If the weld is not polished, it will turn black.

4, change a necklace of the same quality:

If you care about beauty, it is recommended to change it to the same weight, where you can buy it, or take it to the store and melt it. But it's best to see what they do, so as not to reduce the weight of gold or add other things.