What does 18K gold mean?

18K gold refers to gold that is 75% pure, as it contains 75% gold and 25% other metals such as copper, silver, or zinc. In finance, 18K gold is considered a valuable commodity and is often used as a store of value or investment. The purity of the gold is an important factor in determining its value, as higher purity gold is generally more desirable and therefore more valuable. In the world of finance, 18K gold is often traded on commodity exchanges and is used as a benchmark for pricing and trading other precious metals. It is also used in the production of jewelry, coins, and other luxury items, making it an important asset in the global economy. Overall, 18K gold holds significant financial value and is an important component of the global financial system.