What is the difference between 14 karat and 18 karat gold?

The amount of pure gold that is actually in the item. Pure gold is 24 karat. It is soft so it is often mixed with other metals to make it harder. In addition, varying the added metals (alloys) are used to change the color of the gold from it rich pure lemon yellow color. 14 karat gold contains 14/24 (.583) percent pure gold and 10/24 (.417) percent of other metals. 18 karat contains 18/24 (.75) percent pure gold and 6/24 (.25) percent of other metals. 18 karat gold is richer in color, but is softer than 14 karat gold. We make jewelry both in 14kt and 18 karat gold.

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