The scope of jewelry appraisal certificate is too wide. Because jewelry is different, appraisal institutions are different, and the contents of certificates issued are quite different. Taking the national inspection certificate of jadeite as an example, the advantages and disadvantages include:
Preceding: inspection conclusion, total mass, density, refractive index, precious metal detection, distribution unit, inspection number, amplification inspection, absorption spectrum, other features, remarks, inspection/approval person, and online QR code inquiry.
Reverse: Basic information of inspection organization.