Accuracy. Knowledge. Expertise. Discover More Grading MORE ABOUT OUR EXPERTISE Innovation MARKET LEADING INSTRUMENTS Education THE 5TH C: CONFIDENCE INNOVATION SYNTHdetect SYNTHdetect is the latest addition to our range of IIDGR screening and detection instruments. It is specially designed for testing stones in mounted jewellery but can also be used to test loose stones. It is suitable for testing colourless to near-colourless stones with no lower size limit. The various jewellery attachments allow rings, bangles, brooches and necklaces to be tested. Larger jewellery pieces, along with loose stones can be viewed in the sampling tray. Using the principle of time-resolved photoluminescence, an image is viewed on a high-resolution touch screen and a decision can be made whether the stone is natural or synthetic. A Distinctive Heritage Dedicated to Diamonds Our Mission is to provide a premium grading service and equipment unique to the diamond industry. The International Institute of Diamond Grading & Research (IIDGR) is part of De Beers group of companies, and ensures exceptional accuracy and outstanding knowledge. FIND OUT MORE GRADING KNOWLEDGE EXPERTISE THE 5TH C Confidence We only grade and inscribe naturally occurring diamonds using our ground breaking proprietary technology bringing diamond grading into the 21st century. The International Institute of Diamond Grading & Research (IIDGR) is proud to pioneer accurate and consistent grading in all our global laboratories. FIND OUT MORE INNOVATION Market Leading Instruments The International Institute of Diamond Grading & Research offer detection instruments that can readily screen out simulants, synthetics and treated diamonds. FIND OUT MORE “World class grading service reinforcing confidence in the UK diamond industry” VICTORIA MCKAY - COO LONDON DIAMOND BOURSE 1 2 3 4 Innovation Market leading technology pioneering support for integrity in the diamond industry. Click below to find out more about the instruments we offer. FRONT-END SCREENING Automated Melee Screening (AMS2) Spectrometer based system for automatically screening melee for potential synthetics and simulants. FIND OUT MORE FRONT-END SCREENING DiamondSure Compact screening device designed to determine natural diamonds. FIND OUT MORE Enquiry Form If you are interested in any of our services please submit your details and we will get in touch First Name* Last Name* Service Type* Select Melee Testing Grading Services Instruments Education Email* Enter the captcha below* ↺ SUBMIT Innovation Services Grading Diamonds About Terms & Conditions Privacy & Cookie Policy © International Institute of Diamond Grading & Research 2012-2017 A De Beers Group Company