CGC is a professional certificate recognized by the state, which is difficult to pass. Once every two years, the pass rate is only 10-20%, and only 5- 10 people can pass at a time. But it is a professional certificate recognized by the state, which is equivalent to a hard certificate such as accounting certificate.
Jewelry appraiser refers to a professional who has obtained professional qualifications through special professional training, mainly describes the weight, color, transparency and cutting standards of gems, classifies jewelry, identifies the types of jewelry, detects authenticity and issues an appraisal certificate.