What does KC on gold necklace mean?

The "KC" on a gold necklace typically stands for "Karat Gold," indicating the purity of the gold used in the piece. It usually specifies the gold's content, such as 10K, 14K, or 18K, which denotes the percentage of gold in the alloy. This marking helps consumers identify the quality and value of the gold jewelry. In some cases, "KC" may also refer to the manufacturer's or designer's initials.