1. Jade's certificate is issued by strict standard procedures. Generally, the authoritative appraisal institutions of national qualification certification do instrument appraisal for jadeite submitted for inspection. Common identification items include: density, infrared spectrum analysis, refractive index, magnification inspection, etc.

2. Send for inspection. When submitting for inspection, you need to bring your valid ID card to the personal inspection window of the testing center to go through the inspection procedures for jewelry that needs to be identified. Here, the business personnel will go through the relevant testing procedures for the samples that meet the testing scope.

3. For those who want to obtain the qualification certificate of jade appraiser, they need to have certain knowledge and experience of jade appraisal first, and can participate in relevant training and practical activities to improve their skills and experience, and then sign up for the qualification examination of jade appraiser.

4. The jadeite appraisal certificate is issued by the appraisal institution. If you are in doubt about buying jade, you can go to the appraisal institution in your province and city for monitoring, and the cost is about tens to hundreds of yuan.

5. From English name symbols. Real certificates usually have the signs of "CAL, CMA, CNAL", and "CMA" is a must. If not, the certificate is false.