Gold purity

24K Gold Price

Pure 24k gold is valued from the live spot price of $4,082.08 per troy ounce. Lower karats multiply that value by purity.

Karat	Purity	Per Gram	Per Troy Ounce
10K	41.67%	$54.68	$1,700.87
14K	58.33%	$76.56	$2,381.21
18K	75.00%	$98.43	$3,061.56
22K	91.67%	$120.31	$3,741.91
24K	100.00%	$131.24	$4,082.08

24K gold contains 100.00% gold by weight, so its melt value is $131.24 per gram before buyer discounts or refining costs.