The phrase "gold fill" refers to a type of jewelry or object that is made by bonding a thick layer of real gold to a base metal core. It means that the item contains a lot of gold, but it is not entirely made of gold.
Sentences with «gold fill»
Gold fill chain, gold - plated brass and polymer clay. (poketo.com)
Ear wires have been replaced later with gold filled ones. (1stdibs.com)
Gold filled clips will help this accessory last because we are also inspired by quality. (cocoandduckie.com)