If you feel that there is a loss, you can go to the place of purchase and ask if you can get a full refund. Generally, you can get a full refund as long as you have a receipt.

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1. According to the current gold price, only one gram is 390 yuan, and 3 grams is worth 1 170 yuan. However, it is impossible for others to do business only by charging you for materials;

2. It may be difficult to establish that it is cheated in law. If you really feel a loss, you can retire, but even if you retire, you will still lose money, but not so much;

I suggest that the next time you buy something, you should find out the average market price of what you want to buy, and also know what the purpose of buying is, whether it is necessary and so on.

You don't have to make a decision so quickly when you buy next time. You can think twice about buying it yourself.

5, you can shop around, maybe in the process of comparison, you will buy what you are most satisfied with and won't feel cheated.