JTR

With its establishment, JTR is taking diamond and diamond jewellery grading into the future. Its laboratory is equipped with the latest gemmological instruments, tools, and technology. JTR's graders follow the diamond industry and trade's internationally accepted grading standards and practices... JTR's management, staff, and gemmologists all adhere to the baseline of the International Diamond Council (IDC) Rule Book and JTR Laboratory is accredited by ISO in various standards including ISO/IEC 17025... Deeply rooted in the practices of traditional diamond grading and aided by unrivaled know-how and its innovative technologies, JTR provides its clientele with unambiguous grading data and complete confidence in the integrity of the grading process.

Also known as: JTR Laboratory

Primary location: Cibjo Diamond