You can fake it by dying tungsten a gold colour. It will pass a superficial examination, but it pass more stringent tests.
It will not pass more stringent tests, I mean.
Look pard I don’t want to blow your cover but have you ever hung out with a Guy named Goldfinger? You ain’t related to Ian Fleming by any chance? You ain’t gotta girl friend named Pussy Galore and a servant named Odd Job do ya? Asking for a friend. 😁