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Gold Bars: The Lowest-Cost Way to Own Gold by the Ounce

Which sizes make sense, which refiners an IRA accepts, and why the cheapest bar per ounce isn't always the best choice.

By Jack Harper · Updated October 2026 · 5 min read

Common sizes

SizeGold value at ~$4,160/ozGood for
1 gram to 10 grams~$134 to ~$1,340Small gifts; high premium per ounce
1 oz~$4,160Most flexible; easy to sell in pieces
10 oz~$41,600Lower premium; good for larger IRAs
1 kilo (32.15 oz)~$134,000Very large accounts only

Metal value only, before the dealer's premium. Spot price as of October 19, 2026.

Bars vs coins

A bar gives you more gold for your money because it costs less to make than an ornate government coin. Coins win on recognition and flexibility: you can sell one American Gold Eagle at a time, while a 10 oz bar has to be sold whole. Many investors hold a mix. Our gold coins guide covers the coin side.

What makes a bar IRA-eligible

See our IRS-approved coins and bars list for more.

Bars, coins or both?

Our recommended provider's free kit lists the IRA-eligible gold products it offers. Best fit if you have $50,000 or more to diversify.

Request the Free Kit

Cast vs minted bars

Cast bars are poured into molds and look rougher, with simple stamping and the lowest premiums. Minted bars are cut and struck for a polished finish and usually come sealed in an assay card. Both hold the same gold; the choice is mostly cost versus appearance.

Buying tips

Keep reading
Best gold coins Gold rounds explained IRS-approved list