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For 18 Carat Gold the number 750 is used to denote 75.0 grams of pure gold per 100 grams of alloy. The figure ‘750’ thus represents 18 carat gold. Despite what some people think, it’s not very common to find pure gold items that are ‘100 per cent’ pure.
Good quality jewellery for everyday use is often sold with a purity level of 18 carats, or gold 750 and is especially popular in Europe. The gold content of 18 Carat gold makes it a harder alloy than higher Carat gold and therefore more suitable for the manufacture of items for everyday use.
Did you know gold 750 was the same as 18 carat gold? While the term 18 carat gold might be more common, these two expressions of gold purity are synonymous, so don’t worry if you’re being sold gold 750 when you’re searching for 18 carat gold!
Because of the purity level, the 18 carat gold rate will be around 25% below the ‘pure’ gold rate or price.