Seven Kings is registered at the London Assay Office. 

The assay office is responsible for applying a hallmark to jewellery. 

A hallmark; 

  • Is a set of component marks applied to articles of the precious metals such as gold, silver, platinum or palladium.
  • Means that the article has been independently tested.
  • Guarantees that it conforms to all legal standards of purity (fineness).
  • Guarantees provenance by sharing where the piece was hallmarked, what the article is made from, and who sent the article for hallmarking. 

We hallmark all our jewellery to reassure you of its materials and quality. 

Additional information on hallmarking can be found on the information image.