The term karat describes the purity or percentage of gold in an object. In use since the late 1500’s, the karat is divided into segments of 24:
Pure gold is 24/24, or 24 karat.
18 karat gold, also known as 750 gold, is 18/24 parts, or 75% gold.
14 karat gold, also seen stamped as as “585″, is 14/24 parts, [...]
