PreciousMetalCalc.comGold · Silver · Diamond
75% Pure Gold
18k Gold Calculator
Calculate the value of your 18 karat gold. 18k is 75% pure and the standard for high-end European and luxury jewelry.
75.0% pure
Grams · Troy oz · Pennyweight
Melt & scrap value
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Gold Spot Price (per troy oz)
$
Update this to today’s live spot price for the most accurate result
18k Gold Calculator — Instant Value Calculator
Enter the weight of your Gold below. Results update automatically.
Enter the weight of your item
Pure Melt Value
$0.00
100% of metal value
Scrap Buyer Pays
$0.00
Typical 65-80% of melt
Pawn Shop Offer
$0.00
Typical 40-60% of melt
What Different Buyers Will Pay
Online Gold/Silver Buyer
75-85% of melt value
$0.00
Best option for most sellers
Local Jeweller / Scrap Buyer
65-75% of melt value
$0.00
Instant cash, lower rate
Pawn Shop
40-55% of melt value
$0.00
Convenient but lowest rate
Refinery (direct)
85-95% of melt value
$0.00
Best rate, minimum quantities apply
Unit guide: 1 troy ounce = 31.1035 grams = 20 pennyweight (dwt). Gold and silver are traded in troy ounces. Most kitchen scales measure in grams. Pennyweight is used by many jewellers and pawn shops.
Gold — Key Facts
Purity18k gold is 75% pure gold (18 parts gold, 6 parts alloy). Premium jewelry standard worldwide.
Hallmark StampsMarked as 18k, 750, or .750. Common on designer pieces, Italian jewelry, and high-end watches.
Common UsesHigh-end jewelry, designer pieces, luxury watches, fine bracelets. Popular in Europe and Asia.
Identifying Tips18k is a richer yellow than 14k. 750 is the most common stamp. Italian pieces often marked 750.
Selling Tips18k commands a slight premium over 14k because of higher gold content. Still easy to sell quickly.
Weight Guide18k chain (18 inch): 8-25g. 18k designer ring: 5-12g. 18k bangle: 15-40g.