Gold has symbolised wealth and trust for centuries, but with rising prices and sophisticated counterfeits, verifying authenticity is more important than ever. Whether you own jewellery, coins, or investment bars, learning how to test gold at home can help you identify genuine pieces before seeking professional verification. See also: How to Verify a Gold Coin Is Genuine and Common Bullion Scams and How to Avoid Them.
At 888 Bullion, we believe every investor and collector deserves confidence in their precious metals. Understanding gold purity and hallmarks is the first step to identifying genuine gold.
Start by examining your item under good lighting. Genuine gold should have a hallmark indicating purity:
For a full guide to hallmarks, see our British Hallmark Guide.
Gold is non-magnetic. If your item sticks to a magnet, it’s not pure gold. Use this as a quick screening method to rule out obvious fakes.
Gold is one of the densest metals, with pure 24ct gold measuring 19.3 g/cm³. Weigh your item, then measure how much water it displaces. Divide the weight by the volume displaced to calculate density.
Drag your gold item across an unglazed ceramic surface. Real gold leaves a gold-coloured streak, while fake metals leave black or grey marks. Be cautious — this test can scratch your item.
Home acid kits can estimate purity by observing how gold reacts to different acid strengths. Always follow safety instructions carefully.
While home tests can provide clues, they cannot guarantee authenticity. Counterfeiters use advanced techniques — including tungsten-filled bars — that can pass basic tests. For high-value items, professional verification is essential.
At 888 Bullion, we use state-of-the-art XRF (X-Ray Fluorescence) technology to analyse the exact composition of precious metals. This non-destructive process delivers instant, laboratory-grade results. XRF testing identifies even the smallest impurities and confirms purity levels beyond what home methods can achieve.
Read more: Common Bullion Scams and How to Avoid Them and How to Verify a Gold Coin Is Genuine.
We are dedicated to transparency, precision, and trust. Every item we handle is tested using advanced XRF technology to ensure authenticity and purity. Whether you’re buying, selling, or simply verifying your collection, 888 Bullion provides expert guidance and reliable results from our Hatton Garden premises.
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