i Direct answer: "18K gold plated" tells you two things: the gold used is 18-karat (75% pure gold), and it is applied as a thin surface layer onto a base metal, typically brass. The gold layer in standard fashion jewelry is 0.1-0.3 microns thick. The term describes a process and a purity level — not the amount of gold in the piece. What "18K" and "gold plated" each mean The k...

18K gold plated jewelry is a type of jewelry where a thin layer of 18-karat gold (75% pure gold mixed with 25% other metals) is electroplated onto a base metal (such as brass, copper, stainless steel, or zinc alloy) to create the luxurious appearance of solid gold at a fraction of the cost. As a jewelry supplier with over 16 years of experience in the je...