Abstract: Gemstone of natural diamond, characterised in that the gemstone (1) has two parallel faces (2-3, 4-5) in which the geometric plane that coincides with the aforementioned faces defines the volume of the gemstone (1), and from which a number of facets start, and each facet is parallel to an opposite facet or parallel to a connecting edge (6) of two other facets.
Abstract: Timepiece, characterised in that it primarily consists of a baseplate (3) with at least a series of small lights (4) on it to indicate the hour and a series of small lights (4) to indicate the minutes, and an electrical or electronic controller (9) to control the lights to indicate the hour and minutes.