If the quality inspection of jadeite is charged, the jadeite appraisal center will appraise 50 yuan once, but the appraisal price of jadeite is actually not high. At the source of the jade market, the cost of a single appraisal of jade is only tens of yuan. However, in other areas, the appraisal cost of jadeite will be higher, and several hundred yuan is a very common price. After the jadeite is appraised, the appraisal institution will generally issue an appraisal certificate with three marks, namely CMA, CAL and CNAS. These three marks are the national certified jewelry appraisal institutions, and they are also the marks to identify the authenticity of jadeite. The logo on the appraisal certificate will also be distinguished according to the type of jadeite. Generally, only jadeite will issue a certificate that it is jadeite. If it is grade B jadeite, it will be marked with the words jadeite (treated), jadeite (glued), jadeite (grade B quality) and jadeite (optimized). If it is C jadeite, it will be marked with the word jadeite (dyed), but if it is D jadeite, the word jadeite will not appear, but the name of the substitute will appear, indicating that this is not real jadeite, but an imitation.

How long does the quality inspection of jadeite usually take?

At present, the standard of jadeite authenticity identification is very accurate. As a qualified authoritative appraisal institution, it takes a short time to identify a piece of jade. But as a rule, you will be asked to wait for two hours to get the appraisal results. There are also some institutions whose appraisal certificates can come out the next day, but the work efficiency of each appraisal institution is different. However, most appraisal institutions can issue good certificates on the same day. Of course, it takes three working days to get the appraisal certificate. Some photos are posted and can be recognized immediately. It takes an hour to issue a certificate, and it takes three days to a month to search online. Generally speaking, each one is different, but generally speaking, most of them are brought today and will be available tomorrow.

How to distinguish the authenticity of jadeite professional qualification certificate

The institution that provides the professional qualification certificate of jewelry should be official website, and the basic information can be found according to the number on the professional qualification certificate.

1. official website Inquiry Most reliable and reasonable appraisal institutions have their own internet technology, and will put the number inquiry in an eye-catching area, which is convenient for consumers to inquire about information and identify the true and false quickly.

2. Telephone inquiry All reliable and reasonable appraisal institutions will leave a fixed number on the inspection and quarantine certificate for easy inquiry.

3. SMS query Some reliable and reasonable evaluation agencies will provide mobile phone information network to query new projects. The general practice is to compile the qualification certificate number into a short message according to the tips on the professional qualification certificate and send it to a special number. The query results are also sent to consumers' mobile phones via SMS. Some inspection stations of this service are completely free, and some inspection stations charge.

4. At present, the development trend of QR code query is getting faster and faster. Most appraisal institutions will put a QR code on the inspection and quarantine certificate. First, the query is convenient and quick. Second, the anti-counterfeiting label is very hard and cannot be faked. So all the information on the inspection and quarantine certificate can be easily and quickly seen by scanning the mobile phone.