Gold purity

22K Gold Price

Pure 24k gold is valued from the live spot price of $4,152.60 per troy ounce. Lower karats multiply that value by purity.

Karat	Purity	Per Gram	Per Troy Ounce
10K	41.67%	$55.63	$1,730.25
14K	58.33%	$77.88	$2,422.35
18K	75.00%	$100.13	$3,114.45
22K	91.67%	$122.38	$3,806.55
24K	100.00%	$133.51	$4,152.60

22K gold contains 91.67% gold by weight, so its melt value is $122.38 per gram before buyer discounts or refining costs.