Gold purity

22K Gold Price

Pure 24k gold is valued from the live spot price of $3,995.98 per troy ounce. Lower karats multiply that value by purity.

Karat	Purity	Per Gram	Per Troy Ounce
10K	41.67%	$53.53	$1,664.99
14K	58.33%	$74.94	$2,330.99
18K	75.00%	$96.36	$2,996.99
22K	91.67%	$117.77	$3,662.98
24K	100.00%	$128.47	$3,995.98

22K gold contains 91.67% gold by weight, so its melt value is $117.77 per gram before buyer discounts or refining costs.