GIA certificate is a world-class authoritative certificate issued by American Gemological Institute, and it is the most authoritative term in the jewelry industry. It was founded by Mr Robert shipley in the last century 193 1 and has a history of nearly 80 years. It founded and put forward the international diamond grading system, which is trusted by the world in diamond grading and gem identification. This college is not only the first gem college in the United States, but also the largest and most recognized authoritative appraisal institution for jewelry and diamonds in the global jewelry industry. In fact, GIA diamond classification report and GIA diamond processing are considered to be the first gem certificates in the world. Diamonds of all sizes are sent from all corners of the world to the college for analysis and classification.

GIA certificate issued by G.I.A Appraisal is recognized as the most credible certificate in the world. The color and purity should be decided by three appraisers, and their services mainly include: jewelry appraisal and professional knowledge education and research. Because of its professional background and impartial position, it has well maintained the impartiality of GIA appraisal and has always been recognized as a leader in the industry.

GIA is a non-profit organization, and its funds are donated by people in the jewelry industry. GIA has been recognized by the global jewelry industry in jewelry appraisal and professional knowledge education and research. GIA does not involve for-profit business. In order to maintain its reputation of "reputation first", it will never be influenced by human factors, and the appraisal book is not flexible. Therefore, the content quality of the appraisal book is highly credible.

GIA has two kinds of diamond appraisal certificates, one is a small certificate, which is mostly used for diamonds below 1 carat, and $70 is used for one appraisal. Generally, the diamond waist is equipped with a laser mark with the same number as the certificate; Large certificates are generally issued for diamonds of one carat and above. Laser marking of diamonds can be done or not according to the requirements of customers, and there is a clear defect position mark. Issue certificates for $65,438+000.

World headquarters of American Jewelry Association:

GIA is the most authoritative at present, and yours is the certificate of national inspection.