1. The certificate of jade bracelet can be identified by looking at the sign of the certificate and the authenticity of the certificate.

2. Telephone inquiry: You can call the telephone number on the certificate to inquire about the authenticity of the certificate.

3, certificate number, you can check whether the items and numbers on the certificate are consistent (there is also the possibility of inconsistency mentioned above); Generally, jade is written, and some even have a note at the back: A goods (you can't relax when you see it here, but you have to look at the following things). Quality (the weight of an article).

How to check the certificate of jade bracelet (how to check the certificate of jade)

Certificate number, you can check whether the number on the item and the certificate is consistent (there is also the possibility of inconsistency mentioned above); Generally, jade is written, and some even have a note at the back: A goods (you can't relax when you see it here, but you have to look at the following things). Quality (the weight of an article).

Telephone inquiry: you can call the telephone number on the certificate to inquire about the authenticity of the certificate.

Look carefully at whether the shop opening organization that issued the inspection certificate of jadeite jewelry has the right to issue the jadeite appraisal certificate.

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.

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 is 66, which is the most common structure of jadeite and the most important feature that distinguishes jadeite from other jadeites.

The identification of the certificate of jade bracelet can be carried out by looking at the mark of the certificate and checking the authenticity of the certificate.

How to read the appraisal certificate of jadeite? How to Look at the Appraisal Certificate of Emerald

First of all, look carefully at whether the shop opening organization that issued the jade jewelry inspection certificate has the right to issue the jade appraisal certificate.

There are several points to understand the certificate: look at the appraisal conclusion: the conclusion of the appraisal certificate must be standardized.

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.

Looking at the jade certificate mainly depends on the description of the jade identification elements. Such as certificate number, inspection conclusion, jadeite gram weight, size, refractive index, density, amplification inspection, etc.

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.

How to treat jade bracelet certificate?

1, certificate number, you can check whether the number on the item and certificate is consistent (there is also the possibility of inconsistency mentioned above); Generally, jade is written, and some even have a note at the back: A goods (you can't relax when you see it here, but you have to look at the following things). Quality (the weight of an article).

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.

How to tell the authenticity of a jade bracelet with a certificate?

1. Observe the English abbreviation marks on the jade certificate, such as whether there are CMA marks. If there is, it means it is a genuine jade certificate. Check whether 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.

2, 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.

3. 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. Look at the certification mark of the certificate.

4. Telephone inquiry: The appraisal certificate issued by a regular jade appraisal institution can be verified by directly calling the fixed telephone number on the certificate.

5. The identification certificate is equivalent to the ID card of the jade bracelet, and the jade identification certificate can only be issued by a professional testing institution. Therefore, it is the most authoritative certificate, and the serial number of the appraisal certificate is unique, which corresponds to the only jade jewelry. Therefore, the jade appraisal certificate of each piece of jewelry is unique.

How to treat the jade bracelet appraisal certificate?

1, jadeite certificate mainly depends on the description of jadeite identification elements. Such as certificate number, inspection conclusion, jadeite gram weight, size, refractive index, density, amplification inspection, etc. Certificate number/inspection number. You can check whether the purchased items are consistent with those on the certificate. If there is jadeite with code, you can compare it with the code on the certificate.

2. 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.

3. 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.