2. First, observe the English abbreviation marks on the jade certificate, such as whether there are CMA and other marks. If there is, it means it is a genuine jade certificate.
3. Check the qualifications of the assessment agencies; After you get the jade appraisal certificate, you must first check whether the appraisal institution marked on the certificate has the appraisal qualification. You can query whether the organization is true and effective through the network.
4. Look carefully at whether the shop opening organization that issued the jade jewelry inspection certificate has the right to issue the jade appraisal certificate.
Only natural A goods will issue the certificate of "Jade" result. If it is grade B jadeite, one of the appraisal results in the certificate will be marked as "jadeite (treatment)", "jadeite (glue injection)", "jadeite (grade B quality)" or "jadeite (optimization)". C Jade will be marked with "Jade (Dyed)".