KARAT OR CARAT is a way to express the purity of gold. It is not a measure of weight but percentages. The 24-karat gold is pure gold is too soft for use in jewelry directly, for example. Therefore, gold is always alloyed with other metals to give it hardness or to change in some way the color
If you say that a ring is 18K gold, means you have 18 parts of gold and 6 parts of another metal, which can be silver, copper, palladium, etc … The 18 karat gold contains 75% as gold .
If you say that a ring is 14k gold, means it has 14 parts of gold and 10 parts of another metal. So, is about 58.3 % gold. It is the most used in jewelry because it is less expensive than 18k and less soft when wearing metal alloy giving you more strength.
If you say that a ring is 10 karat gold, it means that you have 10 gold and 14 parts of another metal or metals. In round numbers, is about 41.7% gold. It’s not junk.
