In fact, it is normal for jewelry in tourist shopping malls to be several times higher, and it is not uncommon for jewelry to be dozens of times higher, but most people don't know it. It is even several times higher than the price of ordinary shopping malls. This business is about one mind. I don't understand that you expect others to pity you.
Of course, it is not impossible to return. If the merchant promises to return the goods unconditionally before buying, and provides the corresponding vouchers, it is undoubtedly possible to return the goods.
Otherwise, the merchant does not agree to return the goods. According to the regulations, this product is not for sale. Generally, it only supports exchange, not return.