THE LONDON ASSAY OFFICE
The London Assay Office, based at Golsmiths Hall, is one of four assay offices in the country responsible for the testing and marking of jewellery and silverware to guarantee precious metal content. For more information, visit:
BRITISH JEWELLERS' ASSOCIATION
Memebers of the BJA are entrusted with the responsibility of sale and service of jewellery, watches and related products, and must adhere to a code of ethics. For more information, visit: