Welcome to the
London Gemstone Laboratory
Testing and grading gemstones since 1948
Gemstone Testing Service
In our on-site gem laboratory we have a wide range of gemmological testing equipment to help enable a positive identification of a comprehensive range of gem materials. We are able to test both loose and mounted gems.
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London Gemstone Laboratory is the division of London Gemstone Company. The London Gemstone Company buys with your clients in mind. With over 70 years' experience in the gem and jewellery trade, we like to think that we know how to help you. Our extensive range of competitively priced calibrated and one-of-a-kind gemstones is at your fingertips.
Based in Hatton Garden, London
We are located in London's historic diamond district where you can see our whole product range from precious loose gemstones to fine jewellery. You are welcome to meet our team to discuss anything you have in mind or ask questions.
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