Look at these signs. Generally, there will be English abbreviations at the top of the real jade certificate. For example, CMA, CAL, CNAS, in which CMA is necessary and is the basic requirement of national laws for testing and inspection institutions. Otherwise, the certificate is invalid.
English logo: the general jade certificate will be marked with CMA, CAL, CNAL, etc. One or more of them represent the qualification of the certification body, in which "CMA" is necessary, without which it is not credible.
Only natural A goods will issue the certificate of "Jade" result. If it is grade B jadeite, one of the appraisal results in the certificate will be marked as "jadeite (treatment)", "jadeite (glue injection)", "jadeite (grade B quality)" or "jadeite (optimization)". C Jade will be marked with "Jade (Dyed)".
Observe 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. See if the jade certificate has a number. If it has a number, it means that it is a real jade certificate. Otherwise, if it has no serial number, it means it is a fake jade certificate.
Check and evaluate the qualifications of institutions; After you get the jade appraisal certificate, you must first check whether the appraisal institution marked on the certificate has the appraisal qualification. You can query whether the organization is true and effective through the network.
First of all, look at which unit issued the certificate of jade. Formal certificates are state-owned, and they must be stamped to be authoritative. Other jade certificates are not authoritative, and some are even fake.
What is the method of jade identification certificate? What is the jade appraisal certificate?
1, first of all, look at whether the jade photo on the jade identification certificate is consistent with the real thing, and observe it from the aspects of workmanship and color. Jade bracelets should also be checked for cracks. Total mass This is the weight of jadeite, which must be consistent with the certificate.
2. Look at the appraisal results. If the jadeite certificate issued by the authoritative organization is not natural grade A jadeite, the result is only "jadeite", and the words "grade A quality" and "natural" will not be marked. You know, only natural A goods will issue the certificate of the result of "Jade (A goods)".
3. First, carefully look at whether the shop opening organization that issued the jade jewelry inspection certificate has the right to issue the jade appraisal certificate.
How to identify jadeite with certificate
1. The certificate of jade bracelet can be identified by looking at the sign of the certificate and the authenticity of the certificate.
2. First of all, look at which unit issued the certificate of Jade. Formal certificates are state-owned, and they must be stamped to be authoritative. Other jade certificates are not authoritative, and some are even fake.
3. The name of jadeite is not standardized: according to national regulations, the proper name of jadeite in national standards should be jadeite or jadeite, and only the word A will be added in the remarks. If the certificate you see when you buy it is not like this, it may be a fake certificate.
4. The certificate number or inspection number on the certificate can be used to check whether the purchased goods are consistent with those on the certificate. If there is a code on the jade, it can also be compared with the code on the certificate. The normal inspection conclusion on the general certificate is jade. If the jade has been optimized, there will be a corresponding description.
How to identify with jade certificate?
First of all, look at which unit issued the certificate of jade. Formal certificates are state-owned, and they must be stamped to be authoritative. Other jade certificates are not authoritative, and some are even fake.
Check and evaluate the qualifications of institutions; After you get the jade appraisal certificate, you must first check whether the appraisal institution marked on the certificate has the appraisal qualification. You can query whether the organization is true and effective through the network.
Look at the issuing institution of the certificate. First of all, look carefully at whether the shop opening organization that issued the jade bracelet inspection certificate has the right to issue the jade appraisal certificate.
Looking at the jade appraisal certificate, we should first look at whether any of the three marks of CMA, CAL and cncal are printed on the inspection certificate. All legally issued certificates must have the signature of the appraiser on the back, and they must have two or more signatures in order to have legal benefits.
English logo: the general jade certificate will be marked with CMA, CAL, CNAL, etc. One or more of them represent the qualification of the certification body, in which "CMA" is necessary, without which it is not credible.
Official website query: Check the official website of the corresponding institution on official website to see if it is consistent with the description in the certificate. Then find the certificate to query, and input the quantity and total quality of jadeite. If the query result is consistent with the certificate, there is no problem.
How to apply for the jade collection certificate?
1. Send the jadeite to the appraisal and testing institution and issue the relevant inspection receipt. Appraisal institutions will test jadeite, such as infrared spectrum, density, refractive index, weighing, taking photos, filing, making certificates, stamping, plastic sealing, anti-counterfeiting and so on. You can get the certificate at the appointed time.
2. Submitting for inspection: The first step in making the jade certificate is to submit it for inspection, bring valid identity documents to the testing center, and go through the inspection procedures at the "individual entrusted inspection window" of the testing center.
3. The jadeite appraisal certificate is issued by the appraisal institution. When 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.
How to identify jadeite jade certificate How to identify jadeite jade certificate
1. Look at the signs: there will be several signs with English abbreviations at the top of the real appraisal certificate, such as CMA, CAL and CNAS, among which CMA is necessary, which is the basic requirement of national laws for testing and inspection institutions. Otherwise, the certificate is invalid.
2. The identification of the certificate of jade bracelet can be carried out by checking the mark of the certificate and checking the authenticity of the certificate.
3. The certificate number or inspection number on the certificate can be used to check whether the purchased goods are consistent with those on the certificate. If there is a code on the jade, it can also be compared with the code on the certificate. Secondly, the refractive index on the certificate, 66, is the most common structure of jadeite and the most important feature that distinguishes jadeite from other jadeites.
4, look at the identification; The first thing we need to check carefully is whether the appraisal institution of jade appraisal certificate has the right to issue jade appraisal certificate. According to the division of industry departments, there are mainly five kinds of jade appraisal institutions. Quality inspection system, geology and mineral resources system, education system, trade associations, private enterprises.
5. Shape and color: The shape and color of the jade carving are presented in front of your eyes most intuitively. Total mass: the weight of jadeite.