When purchasing jewelry from our professional jewelry retailers, valuable gemstones typically come with corresponding certificates. For example, diamonds are accompanied by GIA certificates. GIA (Gemological Institute of America) was founded in 1931, and their primary focus is on providing in-depth education and professional research related to jewelry. Their services also include jewelry appraisal and the sale of jewelry appraisal instruments. GIA is widely recognized and considered the most authoritative institution in the global jewelry community.
In essence, a GIA certificate serves as the universal passport for diamonds. Other recognized certificates include IGI (International Gemological Institute), HRD certificate (Diamond High Council of Belgium), and AGS certificate (American Gem Society).
In China, there are also diamond appraisal certificates, institutions, and professional services, such as NGTC certificate (China National Jewelry and Jade Quality Supervision and Inspection Center), GAC certificate (China Gemological Association), and GIC certificate (Beijing Geology University Gemstone Inspection Center).
Obtaining a certificate from reputable institutions can provide assurance of the authenticity and quality of gemstones. It's important to note that certificates from well-known institutions are more reliable than those from lesser-known ones. Therefore, when considering a purchase, it is recommended to research and choose a trusted institution.
When discussing details with sellers on JDC LAB, it's also crucial to inquire about specific gemstone grades and characteristics and how they impact their value and price. This helps buyers make informed decisions and ensures they get the best value for their purchase.