2. Inspection contents: Check whether the appraisal certificate contains the detailed information of the name, color, purity, total mass, density, refractive index and other items of the jewelry. These projects will be subject to very strict inspection in nationally certified jewelry and jade testing institutions.
3. Signature and confirmation of appraisers: an appraisal certificate needs to be signed and confirmed by two appraisers, one is an appraiser and the other is an auditor, so that the certificate is valid.
4. Qualification confirmation: The jewelry and jade appraisal certificate issued has a pattern of CMA or CAL or cncal, and one of the letters is valid, especially the first symbol CMA, which is the certification symbol required by national laws.
5. Seal inspection: the seal should be stamped with steel, and the font on it should be clear and legible.
6. Check the number: there will be the number of the certificate on the back of the appraisal certificate, which needs to be consistent with the number posted on the back of the physical object.
7. Inquire about the authenticity of certificates: Some certificates will have the option of website inquiry or SMS inquiry. If you are not sure about the authenticity of the certificate, you can query it by these methods. After entering the number, you can confirm whether the purchased Hetian jade style is genuine.