De Beers Institute of Diamonds
De Beers Group, the world's leading diamond company, established the International Institute of Diamond Grading & Research (IIDGR) in 2008 to provide a premium grading service to the market supported by innovative technology.
With laboratories and offices based at Institute of Diamonds in the UK and in India, it provides a wide range of services to support the diamond industry:
Diamond grading, exclusively on natural, untreated diamonds. It combines proprietary technology with innovative grading techniques and processes to ensure the utmost accuracy, consistency and integrity.
Diamond Jewellery Verification to assure clients that all of the diamonds are natural and give a band grading.
Testing services (melee, parcels and set diamonds) with a reliable and repeatable outcome.
Training courses, both on-line and laboratory-based, suitable for new industry entrants right through to experienced professionals. Our courses have been developed by our experts and are all CPD-accredited.