18K Gold Price per Gram (GBP)
Live price of 1 gram of 18K gold (750 fineness) in GBP, with a calculator and a comparison with other karats.
Markets are closed for the weekend. Prices show Friday’s close; crypto trades around the clock.
Calculator
How it is calculated
Price of 1 gram of pure gold × 0.75 (750 fineness) = 1 gram of 18K gold.
This is the international market value of the gold content. Jeweller and dealer prices are higher because they include making charges and a buy/sell spread.
Other gold types
| Type | Weight / purity | Price |
|---|---|---|
| Gram gold (24K) | 1 g · 24K | 94.4985 GBP |
| 22K gold | 1 g · 22K | 86.6268 GBP |
| 18K gold | 1 g · 18K | 70.8739 GBP |
| 14K gold | 1 g · 14K | 55.2816 GBP |
Gold ounce chart (USD)
18K gold is 750 parts pure gold per thousand: 18 of 24 parts are gold and the rest are other metals added for strength.
The price here is the market value of the pure gold in 1 gram of 18K gold. Jewellery prices add making charges on top.
What does 18K gold mean?
18 of 24 parts are pure gold, a fineness of 750 per thousand.
How is the 18K price calculated?
The price of 1 gram of pure gold is multiplied by 0.75. For a piece of jewellery, multiply the result by its weight in grams.
How often is the price updated?
The ounce price updates about every 30 seconds while the market is open; the exchange rate updates once per business day.