What is the difference between the different karats of gold?
24kt gold is 100% pure gold and it is very soft. It is mixed with other alloys in order to be used in jewelry. 14kt gold is 58.5% pure gold and 41.5% alloys. 18kt gold contains 75% pure gold and 25% alloys. White gold is pure gold that has been mixed with alloys to make it white. Yellow gold is pure gold mixed with alloys to be used in jewelry. Platinum is a metal that is naturally white in color. It is used in a 95% purity.