14K (Karat) gold is an alloy that contains 58.3% pure gold and 41.7% other metals, such as copper or silver. The "K" in 14K stands for karat, a unit that measures the purity of gold. Higher karat values indicate a higher percentage of gold, with 24K being pure gold. Due to its composition, 14K gold is more durable than higher karat gold, making it suitable for everyday jewelry. It is popular for rings, necklaces, and bracelets, offering a good balance between quality and affordability while maintaining a beautiful appearance.