For more than a decade now, in the world of technology has been undermined a new and powerful concept for the industrial production, it is the Additive Manufacturing (AM) which is often naively mistaken for 3D printing. In this paper will be analyzed the most common technologies of the AM family, with a specific focus on the goldsmith sector for the production of jewels. In fact, as part of the Fourth Industrial Revolution, direct printing of precious metal jewelry deserves a continuous analysis of the state of the art to understand if and when a jeweler should prefer a new technology to the classic technique of lost wax casting.