Gold purity

10K Gold Price

Pure 24k gold is valued from the live spot price of $4,157.93 per troy ounce. Lower karats multiply that value by purity.

Karat	Purity	Per Gram	Per Troy Ounce
10K	41.67%	$55.70	$1,732.47
14K	58.33%	$77.98	$2,425.46
18K	75.00%	$100.26	$3,118.45
22K	91.67%	$122.54	$3,811.44
24K	100.00%	$133.68	$4,157.93

10K gold contains 41.67% gold by weight, so its melt value is $55.70 per gram before buyer discounts or refining costs.