The 21K gold is not only purer but softer as well. 21K gold is specially used in jewelry. Also the word “Karat” and “Carat” are similar and use to measure the weight of metals like gold, diamond, and ...

What is the purity of 24K gold? Pure gold that contains no other metals is 24 carat. Lower caratages have less gold in them; for example, 18-carat gold has 75% gold and 25% other metals, usually ...