2. There is no process. It is almost the same to get on the bus before buying a ticket or to buy a ticket before getting on the bus, depending on your needs; You can spend as much money as you have, from 0 to unlimited.

3. Look at your preferences.

4. Find a professional appraisal institution, such as China Gemmology Society.

5. See if it suits you.

6. If you don't copy the answer, it is estimated that you won't get 200 points.