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Pure Gold vs Jewellery Gold: What Is the Difference?

Gold jewellery can be described as 24K, 22K, 18K, or 14K, while investment bars may be marked 999 or 999.9. All of these can be genuine gold products, but they do not contain the same proportion of gold.   The main difference between pure gold and jewellery gold is alloying. Pure gold contains almost entirely […]

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What Is Hallmarked Gold and Why Does It Matter?

A piece of gold jewellery can look genuine without containing the amount of gold the buyer expects. That is why hallmarking exists.   A hallmark is an official or legally recognised mark that provides information about the precious-metal content of an item. In systems that use independent assaying, it gives buyers greater confidence that the […]

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How to Calculate the Pure-Gold Content of Jewellery

A gold necklace can weigh 30 grams without containing 30 grams of pure gold. Most jewellery is made from an alloy, meaning gold is mixed with other metals to improve strength, colour or workability. To estimate the amount of pure gold in a piece, you need two things: its weight and its purity.   The […]

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Gold Karat vs Gold Fineness: Understanding 999, 916, 875 and 750

Gold purity is often described in two different ways. One jeweller may call a piece 22K gold, while another may stamp it 916. An 18K ring may carry a 750 mark. These numbers are not competing standards. They are two ways of expressing how much pure gold is contained in an alloy.   Understanding both […]

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