Gold purity

24K Gold Price

Pure 24k gold is valued from the live spot price of $3,996.04 per troy ounce. Lower karats multiply that value by purity.

Karat	Purity	Per Gram	Per Troy Ounce
10K	41.67%	$53.53	$1,665.02
14K	58.33%	$74.94	$2,331.02
18K	75.00%	$96.36	$2,997.03
22K	91.67%	$117.77	$3,663.04
24K	100.00%	$128.48	$3,996.04

24K gold contains 100.00% gold by weight, so its melt value is $128.48 per gram before buyer discounts or refining costs.