1. If you find that the jade you bought has no certificate, it proves that you really bought a fake, or because you paid a high price, you bought jade with poor quality. In general, the certificate of jadeite is divided into A goods, B goods, or natural jadeite, optimized and C goods.

2. Therefore, without a certificate, people often have doubts about artifacts. Although it can't be concluded that they are fake, there is no need to take risks as a buyer. No certificate, no guarantee, never buy it, it's as simple as that.

3. Emerald with certificate is not necessarily true. Although when buying jade, in order to have a sense of security and convince consumers, merchants are generally required to issue authoritative jade appraisal certificates. Certificates issued by large well-known jewelry stores are generally no problem, but jade appraisal certificates issued by small shops may be fake.

4. Yes, all jadeites have certificates. Emerald without certificate may be real or fake.

Under normal circumstances, all the jade bracelets officially sold in the market have certificates, and this certificate is also the "appraisal certificate" of jade bracelets. First of all, look at 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.

6. It is not necessarily true that natural jadeite has a certificate. The authentication certificate may also be fake. It is not so difficult to identify the authenticity of the certificate. The first is to see if the inspection agency is legal. 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.