How Much Is 45g of 18K Gold Worth in Australian dollars?

45 grams of 18K gold is worth A$6,310.26 in Australian dollars today

(Based on spot $4,014/oz · 1 USD = A$1.4488 · 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.

Mid-range weights often match chains, bracelets, or multiple pieces sold together. Always weigh without stones if you only want the gold portion.

Separate 9K (375) from 18K (750) before accepting one blended figure; mixed-karat lots get conservative offers.

Adjacent gram pages (AUD):44g46g →

At live spot converted to Australian dollars, 45 g of 18K gold has a rough melt value of about A$6,310.26. This is not a purchase offer—just an estimate from spot × weight × purity × exchange rate.

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18K (750) is the premium fineness for many Australian fine jewellers and engagement rings.

Weighing & sorting tips

  • Group items by fineness stamp before weighing—9K and 18K should never share one blended total.
  • If a pawnbroker quotes a number fast, ask what % of melt they're paying in Australian dollars.

Gold Value Calculator

A$/troy oz

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

Total gold valueA$6309.90

Current 18K priceA$140.22/gramA$4361.33/oz

Est. offer at%:A$3154.95

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

USD spot converted to Australian dollars at live exchange rates. Same basis as the estimates on this page. Adjust weight, unit, or karat.

Calculate exact pawnbroker payout →

How we calculate melt in Australian dollars

USD spot per gram × live USD→AUD rate (1 USD = A$1.4488). For 18K: 45 g × A$140.23/g ≈ A$6,310.26 full metal value before any buyer haircut. 18K price hub.

What australian buyers might pay (typical ranges)

Dealers pay a share of melt. Below uses the same total melt as this page (A$6,310.26). Cash-for-gold shops vary widely—always ask what % of melt they pay in Australian dollars. Not a quote.

Buyer typeTypical % of meltEst. offer (A$)
Pawnbroker5070%A$3,155.13A$4,417.18
Local gold buyer / jeweller6580%A$4,101.67A$5,048.21
Online / mail-in buyer8092%A$5,048.21A$5,805.44
Refinery (bulk / high volume)8895%A$5,553.03A$5,994.75

Ranges are typical experience bands; local buyers vary. Not a quote.

Melt value by karat (45 g, AUD)

Same weight, different purity—use this to sanity-check whether your item's stamp matches your expected value in Australian dollars.

KaratMelt (A$)
9KA$3,155.46
10KA$3,505.56
14KA$4,907.91
18KA$6,310.26
22KA$7,712.62
24KA$8,413.47

Related links

FAQ

How much is 45 grams of 18K gold worth in Australian dollars?
45 grams of 18K gold is worth about A$6,310.26 melt in Australian dollars at today's gold price of $4,014/oz (1 USD = A$1.4488). Typical australian buyers pay A$3,155.13–A$4,417.18 (pawnbroker) or A$5,048.21–A$5,805.44 (online).
Is A$6,310.26 what australian 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 Australian dollars.
What if my lot has mixed karats?
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 AUD change every day?
Spot gold and the USD→AUD rate both move. Our pages refresh on a regular schedule. Use the same spot and rate basis as our calculators when comparing offers.