Gold purity

24K Gold Price

Pure 24k gold is valued from the live spot price of $4,052.91 per troy ounce. Lower karats multiply that value by purity.

Karat	Purity	Per Gram	Per Troy Ounce
10K	41.67%	$54.29	$1,688.71
14K	58.33%	$76.01	$2,364.20
18K	75.00%	$97.73	$3,039.68
22K	91.67%	$119.45	$3,715.17
24K	100.00%	$130.30	$4,052.91

24K gold contains 100.00% gold by weight, so its melt value is $130.30 per gram before buyer discounts or refining costs.