These guides are written to be useful whether or not you ever sell anything. They cover how British hallmarking works, what each gold standard contains, how weight and fineness work, and how a valuation is actually calculated — including the parts that point towards not selling a piece.
Gold hallmarks
How British hallmarking works and how to read the marks on your own jewellery.
UK gold hallmarks explainedUK assay office marks9ct gold and the 375 mark14ct gold and the 585 mark18ct gold and the 750 mark22ct gold and the 916 mark24ct gold and the 999 mark
Gold carats
What each standard contains, what it is used for and how it behaves.
9ct gold and the 375 mark14ct gold and the 585 mark18ct gold and the 750 mark22ct gold and the 916 mark24ct gold and the 999 mark
Gold valuation
How gold is measured, weighed and priced, and where estimates and offers part company.
UK gold hallmarks explainedHow much is my gold worth?Spot price and what a gold buyer paysGrams and troy ouncesGold purity conversion chart
Selling gold
What to do before you sell, what to ask, and what to keep back.
Tools
Factual content in these guides is checked against UK assay office and Hallmarking Act 1973 guidance. Nothing here is financial or investment advice.
