What are the diamond authoritative certificates?

There is more than one diamond certificate, most people know the GIA Diamond Grade certificate, but do not know the other certificates, so now with the small part to see what the Diamond certificate is.

There is more than one Diamond certificate , most people know the GIA Diamond Grade certificate, but do not know the other certificates, so now with the small part of the diamond to see what the certificate.

Gia Diamond Grade certificate issued by Gemological Institute of America (GIA).

Gemological Institute of America is an independent nonprofit organization known for its impartiality as the authority of the world's gem community. The Institute's groundbreaking research and its own educational, experimental and equipment development process are almost a chronicle of the growth of the jewellery industry. Gia Diamond grading reports and Gia Diamond treatments are considered the world's first gem certificates. Diamonds of all shapes and sizes are sent from every corner of the world to the Academy for Analysis and grading.

HRD Diamond Grade certificate, issued by the Belgian Diamond High Council.

The Belgian diamond high-class Parliament is officially recognized as representing the Belgian diamond trade industry. Its headquarters is located in Antwerp, the World Diamond Centre. The HRD Diamond Color certificate focuses on detailed features that determine the value of a colored diamond, such as the description of the color, the design of the color, and the glow. It plays an important role in whether the diamond is a natural colored diamond or an imitation drill after each test.

AGS Diamond Grade certificate, issued by the American Gem and Jade Society.

The Gemological Society of America is leading the industry through rigorous grading standards and providing detailed information. Primary consumers can understand diamond grading with easy-to-understand numbers and methods. Diamond wholesalers and processors often use the detailed diamond information provided by the AGS certificate to purchase batches of diamonds in the world.

IGI Diamond Grade certificate, issued by the International Gemological Institute.

Located in Antwerp, the International Academy of Gemology is the world's oldest gem academy, and the authority of its diamond certificates is recognized worldwide. The IGI Diamond report is essentially a statement that uses a world-recognized system to prove the authenticity of diamonds and to provide reliable and accurate diamond identities and levels.

NGTC Diamond Grading Certificate, issued by the national jewellery and jade Quality Supervision and inspection Center.

What are the diamond certificates? National Jewellery and jade Quality Supervision and Inspection Center (hereinafter referred to as the Inspection Center) is authorized by the relevant competent authorities of the state-level jewelry and jade professional quality inspection institutions, is the Chinese jewelry Jade Detection authority. It plays a guiding role in standardizing the domestic jewellery market and promoting the healthy development of the jewellery industry. The diamond grading system used in the country is ranked according to the Diamond's cut, color and clarity, with the highest level being the rarest and most valuable diamond, with the lowest value.

GJC Jewelry Inspection Certificate, by the national light industry Jewelry Jade Jewelry Quality Supervision and testing center issued.

The center is the National Bureau of Quality and Technical supervision measurement certification Unit, the Faith of Science, Justice, authority of the quality of the pursuit, the center has been adhering to the national standards at the same time reference to foreign standards committed to diamond, colored gemstones and jade nondestructive identification, to undertake from consumers, suppliers, sales, auction houses, Pawn shops and public security and other related departments of GEM identification and consulting teaching tasks, the center of the experts with excellent professional skills and professionalism in Shanghai and the country have won a good reputation and evaluation. The center is composed of the National Certified Jewelry QC Certificate, the United States GIA Certificate, the British FGA certificate, the Belgian HRD certificate and the China GIC Certificate of the Jewelry appraiser and appraisal appraiser, adhere to the use of national standards, and reference to international standards of jewelry identification.

GAC Diamond Grading Certificate, issued by China Gem Association.

China Gem Association abbreviation "China Bao Association", English name "Gemmological Association of China" abbreviation for "GAC", the Chinese Gem Jade Association is responsible for the national jewelry Jade jewelry Industry self-regulatory product quality supervision and inspection, and invited the Local Jewelry Association (SHANG) will cooperate, Assist in product quality self-discipline. China Gem Jade Association is responsible for the national jewelry Jade jewelry Industry self-discipline product quality supervision and inspection, and invited the Local Jewelry Association (business) will cooperate to help product quality self-discipline.

GTC Gem Appraisal Certificate, issued by the Jewelry Inspection Research Center of China National Federation Jewellery Industry Association.

The Jewellery Inspection Research Center of China National Federation Jewellery Association is a national jewellery testing institution approved by the National Accreditation Committee of the Chinese National Laboratory and approved by the China State Accreditation Commission for Verification. Always adhere to the fair, scientific, efficient and honest quality policy, to provide quality services for the community. is the first-class national jewelry inspection authority. Yongjia Diamond Testing Center by the long-term jewelry testing work of professors, researchers, doctors and appraisers for testing. With advanced testing equipment and good testing environment, always adhere to a fair, scientific, efficient and honest quality policy, to provide quality services for the community, is a first-class national jewelry inspection authority.

What are the diamond certificates? GIC Diamond Grading Certificate, issued by the China University of Geology, Beijing, the Big Gem Inspection Center.

The center of the identification, consulting, training, exhibition, production, processing-oriented, widely for social services. Known at home and abroad as "the cradle of Treasure." In 1983, the University of Geosciences established the Gem Research Laboratory in 1989, the development of two-level Institute of Gem Research Institute, 1992, the Ministry of Geology and Minerals approved the establishment of Jewelry Institute, 1993 set up a jewelry testing center, the Center for identification, consulting, training, exhibition, production, processing-oriented, widely for social services.

What are the diamond authoritative certificates?