What does 14K CEI stamped on jewelry mean?

The stamp "14K CEI" on jewelry indicates that the item is made of 14 karat gold. The "CEI" likely stands for the manufacturer or jeweler who made the piece. It is important to note that the karat measurement refers to the purity of the gold, with 14 karat gold being 58.3% pure gold and 41.7% other metals.