How Much Is 20g of 18K Gold Worth in Pounds (£)?

20 grams of 18K gold is worth £1,551.27 in pounds today

(Based on spot $4,317/oz · 1 USD = £0.7452 · Updated June 16, 2026)

Melt value
£1,551.27
Pawnbroker (typical)
£776–£1,086
Mail-in buyer (typical)
£1,241–£1,427

Estimates convert USD spot to GBP using a live exchange rate. Not financial advice, not a purchase offer, and not a guarantee of what any UK buyer will pay.

This weight band is common for everyday jewellery lots. Separate by karat first, then compare offers as a % of melt in pounds.

Assay Office hallmarks help verify fineness, but worn stamps still happen—buyers may XRF test high-value items.

18K (750) is the premium UK fineness for many fine jewellers—common on engagement rings and higher-end pieces.

Adjacent GBP pages: 15g25g →

At the live spot converted to pounds, 20 g of 18K gold has a rough melt value of about £1,551.27 (£77.56/gram). USD equivalent: $2,081.80 (1 USD = £0.7452).

Weighing & sorting tips (UK)

  • If selling by post, keep a written list: stamp, item type, weight in grams.
  • If your pieces are mixed fineness, weigh each stamp separately—375, 585, and 750 should not share one total.

Gold Value Calculator

£/troy oz

Adjust this price to project a future value. 24K per troy oz.

Total gold value£1551.20

Current 18K price£77.56/gram • £2412.39/oz

Est. offer at%:£775.60

Formula: weight × karat multiplier × spot price. 14K = 0.585, 18K = 0.75, 10K = 0.417.

USD spot converted to your selected currency at live exchange rates. Adjust weight, unit, or karat to explore scenarios.

Calculate exact scrap payout →

Melt value by karat (20 g, GBP)

Same weight, different fineness—sanity-check whether your hallmark matches the value you expect.

KaratMelt (GBP)
9K£775.56
10K£861.85
14K£1,206.56
18K£1,551.27
22K£1,895.99
24K£2,068.27

What UK buyers might pay for this weight (typical ranges)

Uses melt £1,551.27. Mid-size UK lots suit comparison: pawnbroker (same-day) vs mail-in (often higher %) vs refinery (bulk).

Buyer typeTypical % of meltEst. offer (£)
Pawn shop5070%£775.64£1,085.89
Local gold buyer / jeweler6580%£1,008.33£1,241.02
Online / mail-in buyer8092%£1,241.02£1,427.17
Refinery (bulk / high volume)8895%£1,365.12£1,473.71

Ranges are common UK experience bands; pawnbrokers and mail-in buyers vary. Not a quote.

How we calculate melt in pounds

20 g × £77.56/g (18K at spot in GBP) ≈ £1,551.27 before buyer discounts.

USD: 20g of 18K gold value in USDEUR: 20g in euros (€)

Related links

FAQ

How much is 20 grams of 18K gold worth in pounds?
20 grams of 18K gold is worth £1,551.27 at today's gold price of $4,317/oz (converted to pounds at 1 USD = £0.7452). This is melt value — UK pawnbrokers often pay £776–£1,086; mail-in buyers may pay £1,241–£1,427.
Is £1,551.27 what a UK pawnbroker will pay?
Usually not. Pawnbrokers and many cash-for-gold buyers pay a percentage of melt—often around £776–£1,086 for quick purchases. Mail-in buyers may pay a higher percentage. Always get multiple offers in pounds.
What if my lot has mixed fineness stamps?
Separate by stamp (375 / 585 / 750 etc.) and weigh each group. A single blended offer for mixed karats is often lower than itemized pricing.
Does 18K gold price in pounds change every day?
Spot gold and the USD→GBP exchange rate both move. Our pages refresh on a regular schedule. Use the same spot and rate basis as our calculators when comparing quotes.