18K Gold Price Per Gram (GBP) — Live
£81.11 per gram for 18k gold in GBP as of 10:00 UTC — 75% pure gold by weight.
24h +1.24% 7d — 30d —
Last updated · Spot source: gold-api.com · See the full methodology.
18K gold price summary (GBP)
Per gram
£81.11
Per troy ounce
£2,523
Per kilogram
£81,108
30-day position
Gold is currently trading +0.97% above its trailing 30-day average of $4,539/oz — +0.97%
How 18k compares to other karats (GBP, per gram)
| Karat | Price / gram | vs 24k | vs 18K |
|---|---|---|---|
| 24K | £108.04 | 0.00% | +33.20% |
| 22K | £99.14 | −8.24% | +22.23% |
| 18K (this page) | £81.11 | −24.92% | 0.00% |
| 14K | £63.08 | −41.61% | −22.23% |
18K per gram in other currencies
Frequently asked questions
How much is 18k gold per gram in GBP right now?
£81.11 per gram for 18k gold in GBP as of 10:00 UTC. That is 75% of the pure-gold gram price (£108.04).
How is the 18k gold price calculated?
18K gold is 75% pure gold by weight. We take the live spot price per troy ounce, divide by 31.1034768 grams, then multiply by 18k's fineness factor of 0.75. The result updates here every minute.
How much is an ounce of 18k gold?
One troy ounce (31.1034768 g) of 18k gold is worth £2,523 in GBP; a full kilogram is £81,108.
Is 18k gold valuable?
Yes — 18k gold contains 75% pure gold by weight, so it always holds intrinsic metal value. Its melt value sits +24.92% below pure 24k gold, and the remainder is alloy metals (copper, silver, zinc) that add durability for jewellery.
Should I buy 18k or 24k gold?
They serve different purposes. 24k (.999) is the investment standard — closest to spot, used in bullion. 18k trades at a discount per gram but is harder and more practical for jewellery; sellers of scrap 18k gold should expect offers keyed to this melt value, minus the buyer's margin.