Set of Four Sergio Mazza “Sigma” Ceiling or Wall Lights for Artemide, 1960s

An exceptional set of four "Sigma" ceiling or wall lights designed by Sergio Mazza for Artemide in the 1960s, among the most iconic and enduring expressions of Italian modernist lighting. Combining geometric purity with outstanding material quality, the Sigma perfectly embodies Mazza's philosophy of reducing form to its essentials while achieving maximum visual impact through light, proportion, and craftsmanship. Each fixture features a beautifully molded pressed-glass diffuser, distinguished by a finely textured radial pattern that transforms the emitted light into a soft, atmospheric glow. Once illuminated, the glass reveals a mesmerizing sunburst effect that changes continuously according to the viewing angle, creating remarkable depth despite the fixture's restrained geometry. The diffusers are framed by elegant rings in nickel-plated brass, whose refined finish beautifully complements the luminous quality of the glass. Four exposed cylindrical retaining pins subtly articulate the perimeter, becoming an unmistakable design signature while expressing the honesty of the fixture's construction. Designed as highly versatile luminaires, the Sigma can be installed either as ceiling lights or as wall sconces, allowing countless architectural compositions. Even when switched off, the four fixtures read as a minimalist composition of circular forms. Once illuminated, they animate the surrounding architecture with soft reflected light and the distinctive optical texture of Sergio Mazza's pressed-glass design.