2. Ask for a refund humbly first. Of course, they certainly didn't go so well to let you return. For example, let you give a price certificate (no one in the country gives you this thing).
3, the price of jade is not worth looking at in kind to evaluate, at least give a picture a rough value. In China, there are jewelry testing stations in every place, including local, provincial and national levels. Like Yunnan, there are Yunnan provincial checkpoints, Yunnan Dehong checkpoints, and so on.
If you haven't bought it for more than 60 days, you can contact the travel agency and ask the tour guide for a refund. Just say you don't like it. This kind of tourist shopping can appeal to 123 15.