China Geo University is the first school in China to offer jewelry appraisal courses. After GIC, you can also directly pass the FGA of the Royal Gemological Institute. The courses offered are explained by well-known professors and tutors, which are theoretical and have a basic understanding of gems.
Therefore, if you want to be quick and useful for opening a shop, you must choose Ruili. If you want to study systematically, you still need to spend time and experience to go to college, and the GIC of the university is to take the three certificates and change the qualification certificate of an appraiser, junior, diamond grading and appraiser.
You can ask again if you don't understand.