1. In Yunnan, there are only three most formal shopping malls to buy jewelry, namely Colorful Yunnan Jewelry City in Kunming, Jewelry City in Kunming Department Store and Myitkyina Jade City in Dali. All these companies have strict quality assurance. If the goods are worthless, they are insured and can be exchanged within one year. But the company you said is not a well-known company, so it is unlikely to return it, because if you can return it, people will not sell you fakes.

No, if you have bought jewelry, you don't need a deposit.