ABOUT IDR
Around the world, IDR certificates bring confidence when buying or selling diamonds. Total commitment to understanding consumer needs for confidance has motivated IDR to develop comprehensive analysis and clear documentation for consumers. This empowers jewelry buyers to focus on finding precisely what they want, with full assurance in the integrity and quality of the IDR certification.
A certificate from IDR represents the all-important 5th C that no one should be without: Confidence. As the world's largest independent gem certification and appraisal institute for diamonds, IDR is a standard of excellence for industry professionals and consumers around the globe.
A certificate from IDR represents the all-important 5th C that no one should be without: Confidence. As the world's largest independent gem certification and appraisal institute for diamonds, IDR is a standard of excellence for industry professionals and consumers around the globe.
Quality that inspires confidence
The integrity of the IDR grading process is absolute. Our diamond lab applies an uncompromising operating code which it supports by using some of the most sophisticated technology and qualified graders available. IDR extensive in-house research department makes sure all processes are updated according to the latest industry developments.
Strict anonymity and objectivity
The absolute objectivity of the grading results is guaranteed by means of a double coding system: one set of codes is given to the owner, while the other follows the diamond in the lab. Strict anonymity guarantees strict objectivity.
Data availability
Are you looking for a specific IDR certificate? A digital copy of every certificate, grading and jewelry report issued after January 1st 2005 is kept on file for 10 years. Check your certificate or report on My IDR Report.
The integrity of the IDR grading process is absolute. Our diamond lab applies an uncompromising operating code which it supports by using some of the most sophisticated technology and qualified graders available. IDR extensive in-house research department makes sure all processes are updated according to the latest industry developments.
Strict anonymity and objectivity
The absolute objectivity of the grading results is guaranteed by means of a double coding system: one set of codes is given to the owner, while the other follows the diamond in the lab. Strict anonymity guarantees strict objectivity.
Data availability
Are you looking for a specific IDR certificate? A digital copy of every certificate, grading and jewelry report issued after January 1st 2005 is kept on file for 10 years. Check your certificate or report on My IDR Report.
© IDR ( INTERNATIONAL DIAMOND REPORT ) 2021