SCREENING SERVICES IDRC offers private clients as well as jewellers in the industry the  most advanced screening and detection services. some of the world’s most prestigious brands in Hatton Garden rely on IDRC as their authoritative resource for authenticity and quality assessment.

  • Diamond Reports
  • Coloured Gem Reports
  • Pearl Assestments
  • Fine Jewellery Valuations
  • Antique Jewellery Valuations

Vila do Conde  

1. Clean the diamond with a heavy liquid
2. Weigh the diamond on a scale for its true weight
3. Check the clarity of a diamond with the use of a magnifying eye glass
4. Place the diamond into a state-of-the art grading machine which analyses and scans the gemstone from all angles to give accurate measurements 5. Recheck the measurements with a leverage gauge for more precise and detailed results

6. Test the diamond with an electrical diamond tester

7. Check the colour of a diamond using diamond colour paper against sample stones

8.Check the diamonds fluorescence with an ultra violet light