More informationCeiling light attached to the ceiling that becomes a true rose window. Square shape and geometric patterns on the screen. It is not easy to find such a well-proportioned square ceiling light in all its forms. The manufacture of a Tiffany lamp is and will continue to be artisanal. Each piece of glass is carefully cut and surrounded by a thin sheet of copper that is finally soldered with tin. The value of a Tiffany lamp depends on the number of pieces of glass used and the quality of the glass, as well as the number of hours used to make the lampshade.