When purchasing gold, especially for investment or special occasions, one of the most important things to look for is a hallmark. But what exactly is hallmarking—and why does it matter so much?
In simple terms, hallmarking is an official guarantee of purity. It assures you that the gold item you’re buying contains the exact level of gold content claimed, verified by an independent authority.
Why Hallmarking Matters
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Authenticity and Trust
A hallmark acts as a seal of credibility and assurance. It confirms that the gold content—whether 22ct (91.6%) or 24ct (99.9%)—has been tested and certified by a government-approved assay office. In the UK, hallmarking is legally required for gold items weighing over 1 gram. -
Transparency for Buyers
For you as a buyer, a hallmark eliminates guesswork. It ensures you’re paying for what you’re truly getting, not a lower-purity alloy sold at a higher rate. -
Confidence in Resale and Valuation
Hallmarked gold holds better resale value. Whether you’re exchanging jewellery, seeking an insurance valuation, or planning a future upgrade, hallmarking helps establish authentic worth. -
Legal Protection
In countries like the UK, selling unhallmarked gold above a certain weight is illegal. Hallmarking protects you from fraud and supports fair trade in precious metals.
What Does a UK Hallmark Include?
A proper UK hallmark, such as those issued by the London Assay Office, includes:
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Fineness mark (e.g. 916 for 22ct, 999 for 24ct)
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Assay office mark (e.g. Leopard’s Head for London)
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Sponsor’s mark (the registered maker or retailer)
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Metal type symbol (e.g. crown for gold)
At PureJewels, every piece of gold jewellery is hallmarked—certified not only for purity but for peace of mind.
In Summary
Hallmarking is more than a small stamp—it is a symbol of truth, quality, and assurance in gold buying. Whether you’re purchasing a bridal set, a bespoke piece, or an investment bar, always look for the hallmark. It’s your trusted guide to purity.
