What makes 18K gold more valuable than 14K?
18 Karat gold is more pure, meaning it contains a higher percentage of gold. 18k is also hallmarked as 750 and is 75% pure gold per volume. Therefore, if you had 10 grams of 18k then 7.5 grams would be pure gold the other weight would be in alloy material. 14k is 58.5% pure gold per volume and is listed as 585. Pure gold is 24-Karat (24K) and is considered to soft on its own to use as jewelry items. Alloys are added to the gold to change its color and give it strength.
