What does Gold Filled Mean? Gold-filled jewelry, also known as "foiled gold" or "foiled gold bracelets," are jewelry comprised of a thick layer of metal bonded to an outer layer of some other metal or sterling silver. The term "foiled gold plating" is sometimes used interchangeably with "foiled gold" or "foiled gold overlay." Some jewelry manufacturers may use terms such as "foiled silver plating" to describe gold plating. The common related term "round gold plating" may be used to refer to any plating process using a circle-shaped deposit of gold.