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)".

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.

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. 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.

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).

A jade bracelet corresponds to an appraisal certificate, and the copy of the certificate is invalid (even if it is stamped with the official seal); The appraisal certificate is also invalid after being altered or deleted. Weight of jade bracelet: take g (gram) as the unit, accurate to two decimal places.

First of all, the appearance depends on whether the jade photo on the jade identification certificate is consistent with the real thing, and it should be observed 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.

How to identify jadeite 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. 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)".

3. Look at the signs: On a genuine jade certificate, the most conspicuous signs are several English abbreviations. Common signs are "CMA", "CAL" or "CNAL". CMA is a sign that the measurement certification of testing institutions is qualified, and the institutions with this sign are legal testing institutions.

4. Marks: First, 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.

5. 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.

6. Distinguish the authenticity of the jade certificate by telephone inquiry, website inquiry, SMS inquiry, QR code scanning, etc.

How to treat the appraisal certificate of jade bracelet?

The front of the jade bracelet appraisal 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.

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. 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.

First look at the jade appraisal agency. 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.

How to treat the jade varieties on the certificate (how to distinguish the jade certificate)

Look at the signs: on a genuine jade certificate, the most conspicuous signs are several English abbreviations, and the common signs are "CMA", "CAL" or "CNAL". CMA is a sign that the measurement certification of testing institutions is qualified, and the institutions with this sign are legal testing institutions.

First of all, the appearance depends on whether the jade photo on the jade identification certificate is consistent with the real thing, and it should be observed 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.

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

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)".

How to judge the authenticity of jade appraisal certificate and how to distinguish the authenticity of jade appraisal certificate

1. See the printing quality of jadeite 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.

2. Check the qualification of the assessment agency; 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.

3. Jade identification certificate identification: English logo, the certificate must bear the "CMA" logo, otherwise it will not be credible; Certificate number, the number corresponding to the certificate can be found on the website; Appraisal institutions to see if they have the right to issue certificates.

4. Look at the appraisal institution, and carefully check whether the appraisal institution of the jade appraisal book has the right to issue a 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. What do you think of Jade Certificate? Logo: First, look at the English abbreviation logo on the jade certificate, such as whether there is a logo such as CMA. If there is, it means that it is a genuine jade certificate.

6. 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)".

How to identify the jade certificate?

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.

See the printing quality of jadeite 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.

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.

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.

Shape and color: the shape and color of jade carving are most intuitive in front of your eyes. Total mass: the weight of jadeite.