The identification certificate of jade is steel seal. The identification certificate of jadeite depends on the seal, strictly speaking, it should be steel seal, and the font on it can be clearly identified. The appraisal certificate must be signed by two appraisers before it is valid. One is an appraiser and the other is an auditor.

There is the serial number of this certificate on the back of the appraisal certificate, which should be consistent with the serial number posted on the back of the physical object. Some certificates can be inquired through websites or short messages. If you are not at ease, you can check them. You can definitely find the style you bought by entering the number.

Extended data:

The state has strict qualification requirements for jewelry and jade quality appraisal institutions, and the appraisal certificate issued is only valid if it passes the review. The jewelry and jade appraisal certificate issued by it has the pattern of CMA (Measurement Certification Mark of State Bureau of Quality and Technical Supervision).

Or CAL, CNACL, one of these letters is valid, especially the first mark CMA, which is the certification mark required by the state. Consumers buy jewelry appraisal certificates with CMA logo, which largely proves the authority of the appraisal certificates used by merchants and the guarantee of product quality.

Look at the test content, including jewelry name, color, clarity, total mass, density, refractive index and other items. These projects are very strict in the national certified jewelry and jade testing institutions.

People's Network-Jewellery and Jade Appraisal Certificate Query Authenticity