1. 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)".
2. Appearance First, look at whether the jade photo on the jade identification certificate is consistent with the real thing, and observe from the workmanship and color (the jade bracelet should also be checked for cracks). Total mass This is the weight of jadeite, which must be consistent with the certificate.
3. There are several points to understand the certificate: look at the appraisal conclusion: the conclusion of the appraisal certificate must be standardized.
How to read the jade certificate? How to see the authenticity of jadeite appraisal certificate?
1, steel seal: the steel seal of the testing organization can be clearly seen on the front of the certificate, and there will be steel seal on the real and valid certificate. Number: there will be a line of certificate number on the certificate, which is an important certificate to test the authenticity of the certificate. A certificate without a certificate number has no credibility.
2. Look at the printing quality of the jade appraisal certificate. The real certificate looks very textured, with good printing quality, clear handwriting and standard typesetting. However, the printing quality of fake certificates is rough, the handwriting is not easy to read and the typesetting is not standardized.
3. The methods to check the authenticity of jadeite identification certificate include official website verification and telephone inquiry. Official website verification websites generally have the websites of appraisal institutions when inquiring about jade appraisal certificates. Log on to the website and inquire according to the serial number of the appraisal certificate.
4. There will be a fixed telephone number for every jade appraisal. If you have any questions, just call directly. As long as it is a formal jade appraisal certificate, you can call on the certificate and there will be a special staff to answer it.
5. Scan QR code query: Consumers can only see all the information on the jade appraisal certificate by scanning the QR code on the mobile phone, and then compare it with the physical jade appraisal certificate in their hands to verify the authenticity of the jade appraisal certificate.
How to read the appraisal certificate of jadeite? How to Look at the Appraisal Certificate of Emerald
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.
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)".
There are several points to understand the certificate: look at the appraisal conclusion: the conclusion of the appraisal certificate must be standardized.
How to treat the appraisal certificate of jade bracelet?
1. Jade bracelet appraisal certificate front: it is the issuing unit, and the testing organization can be the quality inspection station under the provincial quality supervision bureau, or the quality inspection station under the municipal quality supervision bureau. Some colleges and universities offering jewelry majors are also eligible to issue appraisal certificates.
2. If the jadeite certificate issued by the national authority is not natural jadeite, the result is only "jadeite", and the words "A" and "natural" will not be marked. Only natural A goods will issue the certificate of "Jade" result.
3. Signs: First, look at the English abbreviation signs on the jade certificate, such as whether there are CMA and other signs. If there is, it means it is a genuine jade certificate.
4. Looking at the jade certificate mainly depends on the relevant description of the jade identification elements. Such as certificate number, inspection conclusion, jadeite gram weight, size, refractive index, density, amplification inspection, etc. CertificateNo./InspectionNo.: You can check whether the purchased goods are consistent with the goods on the certificate. If there is jadeite with code, you can compare it with the code on the certificate.
5. First look at the jade appraisal institution. At present, the most authoritative assessment agency in China is NGTC directly under the Ministry of Natural Resources. Therefore, the jade inspection certificate issued by it has national authority and effectiveness.
6. 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.
How to treat jade bracelet 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, carefully look at whether the shop opening organization that issued the jade jewelry inspection certificate has the right to issue the jade appraisal certificate.
3. The front of the jade bracelet identification certificate: it is the issuing unit, and the testing institution can be the quality inspection station under the provincial quality supervision bureau or the quality inspection station under the municipal quality supervision bureau. Some colleges and universities offering jewelry majors are also eligible to issue appraisal certificates.
4. First look at the jade appraisal institution. At present, the most authoritative appraisal institution in China is NGTC directly under the Ministry of Natural Resources, so the jade inspection certificate issued by NGTC has national authority and effectiveness.
5, the jade bracelet certificate is so true and false. First of all, look at the sign: CMA-the sign that the testing institution has passed the measurement certification, and the institution with this sign is a statutory inspection institution. CAL- is the symbol of inspection organization approved by national quality inspection, and the organization with this symbol is qualified to make arbitration inspection conclusion.
6. Jade certificates are generally divided into two sides. The front is the standard information and picture of jade, and a code will be randomly generated and pasted on the jade, the normal code bar will be pasted on the inner ring of the bracelet, and the pendant will be pasted on the back; On the reverse side are the signs of national certification and the information of quality inspection institutions, including the website, telephone number and address of quality inspection institutions.