How to know the authenticity of the jade bracelet certificate? How to tell the authenticity of the jade bracelet certificate?

How to check the authenticity of the jade bracelet certificate? How to check the authenticity of the jade bracelet certificate

The authenticity of the jade bracelet certificate can be distinguished by checking the mark on the certificate and checking the inspection certificate. Authenticity is carried out in two ways.

First of all, let’s look at the jade appraisal institution. Currently, the most authoritative appraisal institution in China is undoubtedly NGTC. It is an institution directly affiliated with the Ministry of Natural Resources, so the jade inspection certificate issued by it has National level authority and effectiveness.

Look at the English abbreviations on the jade certificate, such as whether there are CMA and other marks. If so, it means it is a genuine jade certificate. Check whether the jade certificate has a number. If there is a number, it means it is a real jade certificate. If there is no number, it means it is a fake jade certificate. How to know the authenticity of the jade certificate

1. SMS inquiry. Some appraisal agencies also provide SMS query methods. As long as consumers follow the instructions on the jade appraisal certificate, edit the certificate number into a text message and send it to the designated number, the relevant information of the jade appraisal certificate will be sent back to the consumer via SMS. Mobile phone for consumers to check and compare. Phone inquiries.

2. Only if it is a natural product, a certificate will be issued stating that it is "Jade". If it is B-grade jadeite, the appraisal result on the certificate will be marked with "Jadeite (processed)", "Jadeite (glue injection)", "Jadeite (B-grade)" or "Jadeite (optimized)". C-grade jade will be marked "Jade (dyed)".

3. Look at the printing quality of the jade appraisal certificate. The real certificate looks very high-quality, with relatively good printing quality, clear handwriting, and standardized formatting. The printing quality of fake certificates is very rough, the writing clarity is poor, and the typesetting is relatively irregular.

4. Observe the English abbreviations on the jade certificate, such as whether there are CMA and other marks. If so, it means it is a genuine jade certificate. Look at whether the jade certificate has a number. If there is a number, it means it is a real jade certificate. If there is no number, it means it is a fake jade certificate.

5. Look carefully at the institution that issued the jade bracelet inspection certificate to see if it has the right to issue an jade appraisal certificate.

6. To query the jade appraisal certificate on the official website verification website, there is usually a website of the appraisal agency. Log in to the website and search according to the appraisal certificate number. When entering the certificate number, pay attention to the uppercase and lowercase English letters. If it cannot be found, it proves that the identification certificate is forged. How to tell the authenticity of jadeite bracelets? How to identify the authenticity of jadeite bracelets

Look at the color. The value of jadeite bracelets varies greatly depending on the color. Generally, red, purple and green are the main colors. These three colors are also the high-end colors of jade bracelets, especially green jade bracelets and strong green jade bracelets are the best. The color of the fake jade bracelet has no gloss, and it is obvious that it looks dull.

Look at the luster; when identifying the authenticity of a jade bracelet with the naked eye, first look at the luster of natural light. Generally, the luster of genuine products is a strong glass luster, while the luster of fakes is mostly waxy, with poor luminosity and smoothness, and most fakes have no fluorescence. If you look carefully, the edges of fake jadeite often show a faint bluish-purple light.

Carefully observe the color of the jade bracelet. If the color of the jade bracelet is natural, it means it is a natural jade bracelet. The color of jade bracelets, especially green, is distributed in various shapes such as dots, veins, filaments, patches, etc. and is accompanied by color roots. This is one of the effective features for identifying jade bracelets. How to identify true and false, good and bad thangkas?

1. Identifying the quality of thangkas also depends on the meticulous craftsmanship and pigments. In a good thangka, the outlines are all drawn in one stroke, the coloring is even, and the momentum is impressive. The good-looking person's demeanor looks like a smile, while the angry-looking person looks majestic and solemn. Some old and fake thangkas have also come into people’s sight.

2. Thangkas from temples and noble families are of higher value. The identification method is to see whether the workmanship is meticulous and whether the pigments are natural. The sleeves of Thangka scrolls from nobles are pure silver. The card is edged in silk brocade.

3. Generally speaking, identifying the authenticity of a thangka mainly depends on the subject matter, painting content, production technology, materials, painters and other aspects. Another important point is to look at the penetration of the paint. A real old thangka can "eat" the paint into it, while in an old thangka, it is obvious that the paint is floating on the surface.

4. Hand-painted thangkas are painted with mineral and plant pigments. Colored chemical preparations are used to print high-simulation thangkas. Hand-painted thangka pigments are generally soluble in water, while chemical preparations are difficult to dissolve. Enter the water.

5. The color of printed thangka is blurred and particularly uniform, especially the connection between the facial features and other two colors. The canvas for printing thangka is also much harder than the canvas used for painting. It feels like plastic tarpaulin, which requires careful identification with a discerning eye. Measurement aspects.

6. The identification of Thangka painters mainly includes the following aspects: Measurement is the most basic and important factor that determines the quality of Thangka. Even small errors can affect the artistic value of Thangka. How to distinguish the authenticity of a jade bracelet appraisal

The appraisal certificate is equivalent to the identity card of the jade bracelet, and the jade appraisal certificate can only be issued by professional testing institutions. Therefore, it is the most authoritative proof. The number is unique and corresponds to the only jade jewelry. Therefore, the jade identification certificate of each jewelry is unique.

To see whether the jade bracelet certificate is authentic or not, first look at the mark: CMA - it is the mark of qualified measurement and certification by the testing agency. The agency with this mark is a legal inspection agency. CAL - is the mark of a testing and inspection agency approved by the national quality review. Institutions with this mark are qualified to make arbitration inspection conclusions.

Look at the opening organization of the certificate. First, take a closer look at the institution that issued the jade bracelet inspection certificate to see if it has the right to issue an jade appraisal certificate. Look at the certification mark on the certificate. How to check the authenticity of a jade bracelet certificate

1. Observe the English abbreviations on the jade certificate, such as whether there are CMA and other marks. If so, it means it is a genuine jade certificate. Check whether the jade certificate has a number. If there is a number, it means it is a real jade certificate. If there is no number, it means it is a fake jade certificate.

2. Inquiry phone number: You can call the number on the certificate to check the authenticity of the certificate.

3. To see whether the jade bracelet certificate is authentic or not, first look at the mark: CMA - is a mark of qualified measurement and certification by a testing agency. The agency with this mark is a legal testing agency. CAL - is the mark of a testing and inspection agency approved by the national quality review. Institutions with this mark are qualified to make arbitration inspection conclusions.

4. First, look at the jade appraisal agency. Currently, the most authoritative appraisal agency in China is NGTC. It is an agency directly affiliated with the Ministry of Natural Resources, so it issues jade inspection certificates. , with national-level authority and effectiveness.

5. Check the opening organization of the certificate. First, take a closer look at the institution that issued the jade bracelet inspection certificate to see if it has the right to issue an jade appraisal certificate. Look at the certification mark on the certificate.