First, you should know the shops in the jewelry store and tell them who can sell them at a 50% discount.

Second, try to get to know people with high level, such as store managers and managers. After communication and familiarity, their rights will be greater than the preferential rights of employees.

I know you can make the price of jade at will, and the other party will earn more than 50%, so you can make a counter-offer to 50% off. Of course it depends on the brand. Some brands are selling at a discount every day. Actually, the brand is not important. The key is to look at the quality of the goods and what you like.