You can't. If it's not a quality problem, you can't return it. If it is a quality problem, it will not be returned at the original price. Within seven days from the date of sale, if the following five kinds of quality problems are found, consumers can choose to return, exchange or repair. If the invoice or jewelry label does not match the grade, the unqualified products detected by the testing department authorized by the Municipal Gold Jewelry Industry Association shall be returned to consumers.