Abstract: An ornamental item with variable configuration, of the necklace or bracelet type, comprises an at least partially flexible elongated base element (2) made of precious or semi-precious, and it is characterized in that the elongated base element (2) has, on a first visible side, a slide and support guide (3). Moreover, one or more ornamental elements (4) are provided, able to be selectively inserted into said slide guide (3), as well as means (6) for locking each of the ornamental elements (4) in a predetermined position along the longitudinal development of said elongated base element (2).