Welcome to

 

The Official Website of

THE BRITISH GEMMOLOGICAL INSTITUTE (BGI)

An Independent Laboratory Accredited by the UK Government’s Dept. of Trade & Industry (DTI)

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“Dedicated to creating trust and reliability”

Here are some of the BGI Laboratory’s professional services:

  • Diamond grading using Official GIA International Master Stones
  • Valuations and Insurance Assessment
  • Jewellery & Gemstone Testing
  • A Fair, Independent and Impartial opinion
  • Investigates cases of suspected fraud
  • Spectrometer Testing for Synthetic & Simulated diamonds
  • Tests carried out by BGI gem experts