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.
There are many styles of jade bracelet appraisal certificates, and many jade appraisal institutions can issue appraisal certificates. 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.
In China, there is not only one institution for jade appraisal certificate. At present, there are three kinds of most common jadeite appraisal certificates in the market, namely, national inspection, provincial inspection, universities and third-party inspection institutions.
The identification certificate of jade bracelet is first of all a card of different sizes. The physical shape of the jade bracelet itself should be the same as that on the appraisal certificate. There must be a steel seal of an authoritative appraisal institution.
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.
What are the three certificates of jadeite?
CNAL California CMA .CMA is the basic requirement of national laws for testing and inspection institutions, and it is necessary for all jadeites. CAL refers to the symbol certificate of the inspection organization recognized by the national quality inspection, and it is one of the three certificates of jadeite. CNAL is the symbol of national laboratory and one of the three certificates of jadeite.
Jade double certificate is jade jewelry appraisal certificate and carving master certificate, and there is no modern certificate for the three certificates. Jewelry appraisal certificate is a public trust certificate issued to the authenticity and attributes of rare precious metals, precious stones or jewelry products, which is implemented by professional institutions and professionals who meet the appraisal qualifications.
Different grades, credits. Different grades. Jade certificate is a professional certificate held by experts who identify jade, and the certificate of jade double certificate can't keep up with the grade of three certificates. Credit. In the eyes of professionals, the credibility of jade double certificate is low, and the credibility of three certificates is high.
Commodity three certificates refer to production license, product certificate and quality guarantee. A production license is a certificate granted by the state to an enterprise that has certain production conditions and can guarantee the product quality.
The "three certificates" of products are production license, factory certificate and quality guarantee. A production license is a certificate granted by the state to an enterprise that has certain production conditions and can guarantee the product quality. Short names of various certificates.
How to introduce the certificate of jade
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.
There are several points to understand the certificate: look at the appraisal conclusion: the conclusion of the appraisal certificate must be standardized.
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.
The normal inspection conclusion on the general certificate is jade. If the jade has been optimized, there will be a corresponding description. There are also the names of jade ornaments, which will be marked as jade pendants and jade bracelets.
What is the use of jade appraisal certificate (what is the jade appraisal certificate)
Jade appraisal certificate has the function of preventing authenticity. Jade identification certificate is just like ID card. It's a document to prove a person's identity. Emerald with appraisal certificate will always be more assured when buying. Because the jadeite with the appraisal certificate proves that this jadeite is natural and the quality is guaranteed.
In China, there is not only one institution for jade appraisal certificate. At present, there are three kinds of most common jadeite appraisal certificates in the market, namely, national inspection, provincial inspection, universities and third-party inspection institutions.
Jade double certificate refers to jade A cargo certificate and jade collection certificate. Although the appraisal certificate is not an ordinary card, it cannot prove the value of jade. The appraisal certificate issued by the state and the authoritative organization of the state has high accuracy and legal effect in jade appraisal.
What documents do I need to bring for jade appraisal?
1. Obtained the certificate of jewelry and jade inspection qualification examination which has great influence abroad.
2. Preparation: Jade appraisers need to prepare relevant documents for the exam, such as ID card, education certificate and work experience certificate. Take the exam: after passing the training, you can sign up for the jade appraiser exam and take the on-site exam or online exam as required.
3. In China, there is not only one institution for jadeite appraisal certificate. At present, there are three kinds of most common jadeite appraisal certificates in the market, namely, national inspection, provincial inspection, universities and third-party inspection institutions.
I want to ask, what is the authority certificate of jade?
1, the authority certificate of jadeite, like diamonds, is an appraisal certificate issued by a national authority to prove whether jadeite is A goods. However, the content in the jade appraisal certificate only includes whether it is A goods, and now all merchants have it, nothing special.
2. Provincial inspection refers to the jewelry and jade appraisal centers in various provinces. For example, Yunnan Jewelry and Jade Quality Supervision and Inspection Institute is a representative provincial inspection institution with jade detection ability and authority.
3. The National Certification Quality Supervision and Inspection Center for Jewelry and Jade is a national professional quality inspection institution authorized by the State Bureau of Quality and Technical Supervision according to law. It is the authoritative organization for jewelry and jade testing in China and has legal effect.
4.CGC is a national registered jewelry quality inspector, which is a professional qualification. If you want to learn the real appraisal knowledge, understand the business operation, understand the market situation and be familiar with the purchase channels, it is recommended to attend the jade training course organized by Yunnan or Guangdong testing institutions. Guangdong is also called GTC. If you want to get a diploma, go to a university-related major.
5.GIC certificate GIC certificate GIC is the English abbreviation and brand name of Jewelry College of Jewelry University (Wuhan).
6.CMA is a symbol of China's measurement certification, which has legal effect and should be more reliable than GIA in jadeite. At the time of purchase, the certificate will give the gem a standardized name, which is generally the most authoritative certificate issued by the national inspection (the certificate issued by the Inspection Center of the National Jewelry and Jade Quality Supervision Bureau and the China Treasures Association).