How Much Is 300g of 18K Gold Worth in pounds?
300 grams of 18K gold is worth £22,020.35 in pounds today
(Based on spot $4,014/oz · 1 USD = £0.7584 · Updated June 26, 2026)
Estimates convert USD spot using a live exchange rate. Not financial advice, not a purchase offer, and not a guarantee of what any buyer will pay.
Bulk weights are usually multiple items or near-bullion lots. Inventory and sorting help you avoid blended offers.
Photograph weights and stamps before posting insured mail-in parcels—standard practice for UK gold-by-post services.
Adjacent gram pages (GBP):← 250g350g →
At live spot converted to pounds, 300 g of 18K gold has a rough melt value of about £22,020.35. This is not a purchase offer—just an estimate from spot × weight × purity × exchange rate.
View in USD ($) →In EUR (€) anzeigen →View in CAD (C$) →View in AUD (A$) →
18K (750) is the premium UK fineness for many fine jewellers—common on engagement rings and higher-end pieces.
Weighing & sorting tips
- If your pieces are mixed-karat, weigh each karat separately; otherwise a blended estimate can mislead you.
- Simple inventory (hallmark, weight, photo) prevents disputes with pawnbrokers or mail-in buyers.
Gold Value Calculator
Adjust this price to project a future value. 24K per troy oz.
Total gold value£22020.00
Current 18K price • £73.40/gram • £2283.00/oz
Formula: weight × karat multiplier × spot price. 14K = 0.585, 18K = 0.75, 10K = 0.417.
USD spot converted to pounds at live exchange rates. Same basis as the estimates on this page. Adjust weight, unit, or karat.
Calculate exact pawnbroker payout →
What uk buyers might pay (typical ranges)
Dealers pay a share of melt. Below uses the same total melt as this page (£22,020.35). Mixed high-value lots may need assay; paperwork is normal for professional UK gold buyers. Not a quote.
| Buyer type | Typical % of melt | Est. offer (£) |
|---|---|---|
| Pawnbroker | 50–70% | £11,010.18 – £15,414.25 |
| Local gold buyer / jeweller | 65–80% | £14,313.23 – £17,616.28 |
| Online / mail-in buyer | 80–92% | £17,616.28 – £20,258.73 |
| Refinery (bulk / high volume) | 88–95% | £19,377.91 – £20,919.34 |
Ranges are typical experience bands; local buyers vary. Not a quote.
How we calculate melt in pounds
USD spot per gram × live USD→GBP rate (1 USD = £0.7584). For 18K: 300 g × £73.40/g ≈ £22,020.35 full metal value before any buyer haircut. 18K price hub.
Melt value by karat (300 g, GBP)
Same weight, different purity—use this to sanity-check whether your item's stamp matches your expected value in pounds.
Related links
- 18K gold price per gram (overview)
- All 18K gold value topics
- Gold price FAQ
- Sell gold jewellery online
- How to sell gold in the UK
- 750 hallmark reference
- Pawnbroker payout estimate (18K)
FAQ
- How much is 300 grams of 18K gold worth in pounds?
- 300 grams of 18K gold is worth about £22,020.35 melt in pounds at today's gold price of $4,014/oz (1 USD = £0.7584). Typical uk buyers pay £11,010.18–£15,414.25 (pawnbroker) or £17,616.28–£20,258.73 (online).
- Is £22,020.35 what uk buyers will pay?
- Usually not. Many buyers pay a percentage of melt—often roughly 50–70% at pawnbrokers for quick cash. Online or mail-in buyers may pay a higher share. Always compare at least two quotes in pounds.
- Do bulk lots get better payout percentages?
- Often yes with established buyers or refineries—fixed costs spread over more weight. The tradeoff is verification time and sometimes minimums.
- Does 18K gold price in GBP change every day?
- Spot gold and the USD→GBP rate both move. Our pages refresh on a regular schedule. Use the same spot and rate basis as our calculators when comparing offers.