18 carat gold price UK today
The live market value of 18ct gold (750) per gram, in pounds.
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£70.49 per gram
Market price, updated 12 November 2026 at 20:30 UK time. This is the value of the metal, not an offer.
18ct gold price by weight
| Weight | 18ct gold value |
|---|---|
| 1 g | £70.49 |
| 2 g | £140.98 |
| 5 g | £352.46 |
| 10 g | £704.91 |
| 20 g | £1,409.83 |
| 50 g | £3,524.57 |
| 100 g | £7,049.14 |
| 1 troy ounce (31.1 g) | £2,192.53 |
How the 18 carat gold price is worked out
18 carat gold is 75% pure gold, alloyed with other metals for strength, and is hallmarked 750. Its value per gram is the live gold price per troy ounce, divided by 31.1035, multiplied by 0.750.
Market price and what a buyer pays
The figures on this page are the market value of the metal. A buyer pays less than that, and how much less depends on the buyer. Antique, signed and stone-set pieces can be worth more than their metal, which is why we look at each piece before making an offer.
For the chart and today's movement, see the live gold price.
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18ct gold price: questions
What is the 18 carat gold price per gram in the UK today?
At the last update the market value of 18 carat gold was £70.49 per gram. It is worked out from the live gold price of £2,923.37 per troy ounce.
How much is 10 grams of 18 carat gold worth?
At the last update, 10 grams of 18 carat gold had a market value of £704.91.
What does the 750 hallmark mean?
It means the piece is 18 carat gold: 750 parts of pure gold in every 1,000.
Is this what I would be paid for my 18 carat gold?
No. These figures are the market value of the metal itself, known as the spot price. A buyer pays less than spot, because of refining, testing and their margin. For a figure for your own 18 carat gold, use our instant offer or send photographs for a free valuation.
How often does the gold price change?
The gold price moves throughout the trading day. The figures on this page are worked out from the live price per troy ounce in pounds and refresh about once a minute.
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