All sterling silver items over the legal weight threshold of 7.78 grams must be tested so that they meet the UK legal standard. This cannot be done by the manufacturer and must be submitted to one of the four UK Assay Offices.

To confirm that the product has been tested and conforms to the required legal standards, it will be hallmarked by the Assay Office with the sponsor’s mark – in our case, the Georgina Bywater mark (GB).


If you have any questions regarding hallmarking please contact us by e-mail: info@georginabywater.co.uk or T:07702 643633.