The International Institute of Diamond Grading & Research
Our vision is to provide integrity in the industry through the application of a passion for the science of diamonds, unrivalled diamond expertise and market-leading innovative technology. As a result, our mission is to grow and strengthen consumer confidence across the diamond industry.
- +44 (0) 20 7858 7887
- 17 Charterhouse Street
London, EC1N 6RA
United Kingdom
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Diamond Authenticity Testing
The International Institute of Diamond Grading & Research
These services fully test all goods to verify diamonds, identify synthetics and simulants, and then return them in tamper evident sealed parcels with clear labelling as to the nature of their contents.Our laboratories are in three global locations: Antwerp, Surat, and Maidenhead. At all our facilities, our experts use comprehensive analysis using a variety of different in-house and proprietary equipment to ensure that every diamond we assess is natural.
