Gold filled jewelry is/consists of/contains a thick layer of solid gold mechanically bonded to a base metal/foundation/core such as brass. Unlike gold plated jewelry, which only has a very thin layer of gold, gold filled jewelry is much more durable. It's known for its luster and it can last for a long time with proper care. Gold filled jewelry is

Often interchanged with gold plating, 18k gold filled jewelry provides a significantly superior level of durability and value. The process requires bonding a substantial layer of 18k gold to a base metal, typically brass. This isn't merely applied; it’s pressure bonded, resulting in a piece that feels and looks remarkably like solid gold, though