I'm afraid it will be much easier to change. If you have to return it, I'm afraid there will be less formalities, because they have to pay taxes on invoices, and there is also a charge for the appraisal of gold fineness. The sale of gold is different from that of ordinary commodities. You have to prepare yourself. Trade-in rules (applicable to stores in Shanghai): 1. Scope: Discount exchange of gold jewelry and platinum jewelry. All raw materials, such as gold, gold bars and bullion, cannot be exchanged. Second, it doesn't mean that platinum jewelry sold in local stores can't be exchanged for new ones. 3. The service charge of second-hand gold jewelry sold is per gram 12 yuan, and that of other brands is per gram 12 yuan. Loss standard of old gold ornaments: 65438+ 0% above gold and 5% below gold. 1. When the old gold jewelry sold is replaced by new gold jewelry, the new gold jewelry shall be purchased at 20% of the weight of the old jewelry. Other brands of old gold jewelry should add 40% new gold jewelry to the weight of old jewelry. (The additional purchase price is calculated according to the quotation of the day). 2. When selling old gold jewelry for gold bars, 60% gold bars should be added to the weight of old jewelry. Other brands of old gold jewelry for gold bars, to buy 70% more gold bars on the weight of old jewelry. 3. The old gold jewelry sold should be replaced with new platinum jewelry, and the new platinum jewelry should add 40% of the weight of the old jewelry. Other brands of old gold jewelry should be replaced with new platinum jewelry, and the new platinum jewelry should add 50% of the weight of the old jewelry (the purchase price is calculated according to the quotation of the day).