What is 4k ze mean on earring?

"4k ze" on an earring likely refers to the quality of the gold used in the piece. The "4k" indicates that the gold is 4 karats, which means it contains 4 parts gold out of 24 total parts, equating to about 16.67% gold content. The "ze" may denote a specific design, brand, or stylistic element, but it is less commonly referenced in jewelry terminology. Always check with a jeweler for precise interpretations of markings.