As long as Zhongwei's certificate is not a diamond certificate, everything else will do. It can verify the authenticity, but there are also some problems. The authority of China-Victoria Certificate in diamonds is not high. Generally speaking, as long as it can prove true and false, it should be possible. Unless there is a strict classification like diamonds, you must find a more authoritative jewelry appraisal agency.

Four-dimensional quality inspection certificate inquiry: enter the appraisal certificate inquiry system of four-dimensional quality inspection jewelry and jade quality inspection center:/

You can also go to the National Jewelry Quality Supervision and Inspection Center to identify jewelry and other jewelry.

Extended data:

Types of jewelry appraisal certificates

1, GIA, a diamond appraisal certificate from American Gemological Institute, a world-famous diamond appraisal institution. The laser code on the diamond waist is consistent with the certificate, and you can also check it in official website. GIA was founded in Los Angeles 193 1. It founded and put forward the international scoring system. GIA ensures the credibility of jewelry and diamonds by discovering, imparting and applying gemological knowledge.

2. IGI International Gemological Institute in Antwerp is the oldest gemological institute. 1975 has established laboratories in new york, Bangkok, Mumbai and Tokyo. The IGI Diamond Report is essentially a statement, which verifies the authenticity of diamonds with the help of a world-recognized system and provides reliable and correct diamond identity and grade. For a long time, it has been a global leader and standard setter in the field of gemology.

3. Goblin, (Swiss Cooper Gemological Laboratory) Goblin-Goblin Gemological Laboratory is a world-famous appraisal laboratory in colored gems with a long history. In the identification of gem processing, the identification of origin is in a dominant position. Today, the clients of Cooper's Gem Lab have covered gem dealers, jewelry retailers, auction houses, royalty and private collectors.

4.GCGI certificate is issued by British Gemstone Color Classification Association. It is the first institution in the world to study the classification of colored gems. GCGI is a non-profit organization dedicated to grading research in colored gems. Known as the jeweler's certificate by the global jewelry industry, it has been widely recognized all over the world. GRS

5. GRS-Gemstone Research Laboratory is a famous private testing laboratory in Switzerland, which mainly tests the world's major gems. The commercial names of its gemstones: dove blood red, sapphire blue and cornflower are widely circulated all over the world, with offices in Sri Lanka, Thailand and China. Accept the gem appraisal. ?

6.SSEF, often used to identify pearls and high-end gems, often appears in Sotheby's and Christie's auctions and is recognized by auction houses all over the world.

Baidu Encyclopedia-Jewelry Appraisal Certificate