A piece of jewelry, silver and costume jewelry, characterized by comprising a spring (2) which extends, in a continuous manner, along a direction of development (10), a series of ornamental elements (3) slidably engageable with the spring along this developmental direction (10) and locking means of the ornamental elements (3, 103) so that, at each elastic deformation of the spring (2) from an initial position, corresponding to the conformation of rest of said spring (2), said ornamental elements (3) are substantially blocked in the initial position.