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Jewellery Education Day announced by National Association of Jewellers

Published: 13th September 2019

Jewellery Education Day announced by National Association of Jewellers

Sheffield Assay Office are working closely with the National Association of Jewellers to help deliver a Jewellery Education Day.

The JET Practical Training Day will take place in Sheffield on 23rd January 2020 and will help students

  • Learn how to identify coloured gemstones, diamonds and diamond simulants, using tools such as the microscope and refractometer;
  • Learn how to read and interpret hallmarks;
  • Take a tour of the hallmarking floor;
  • Learn more about the amazing history of hallmarking.

Click here for full details of the NAJ training days and how to book.

The Sheffield Assay Office was established in 1773, under an Act of Parliament and today the company assays and hallmarks the precious metals - silver, gold, platinum and palladium. Sheffield Assay Office is one of only four UK assay offices who all work to uphold the Hallmarking Act of 1973 and continue to ensure consumer protection for customers purchasing precious metals.

To find out more about the whole range of services offered by Sheffield Assay Office, such as our hallmarking and analytical services, please email us at or complete the contact form on our website at,

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