21K is the purer form of the gold, 21K gold is marked as 87.5 percent pure gold. The 21K gold is not only purer but softer as well. 21K gold is specially used in jewelry. Also the word “Karat” and ...
Pure gold that contains no other metals is 24 carat ... Due to its exceptional purity and unique color, 24k gold is the most expensive and preferred type for use in fine jewelry. The pieces are ...