Pure gold is 24 carat, so grab your calculator.
24k gold is pure gold but is too soft to be used for much. So it is usually alloyed with copper and silver to make it harder.
22 carat gold is 91.66 percent pure gold. Since 100% pure is impossible 24 carat, at 99.999% pure is considered as 'pure'. 18 carat, which most jewelry is made of is about 75% pure gold. A carat is...
=current price of gold X22/24
its 91.6% pure 22 carat millesimal fineness 916