A Hallmark shows that an item has been independently tested by a UK assay office to determine its precious metal content. Hallmarked pieces show three marks; the Hold upon Heart sponsors mark, the metal purity and the mark of the Assay Office. Hold upon Heart are registered jewellers with both the Birmingham Assay Office and London Goldsmiths Assay Office. 

Our Foundry Cast Collection is made from solid 9ct or 18ct Gold or 925 Sterling Silver and is always hallmarked. Our Engraved Collection is made from solid 9ct Gold or 925 Sterling Silver. Gold piece are always hallmarked. Silver engraved pieces are not routinely hallmarked unless a design weighs over 7.78g.

Hold upon Heart Hallmarking