Suspension luminaire providing diffused lighting. Hemispherical, mechanically-processed cast plaster diffuser, painted white inside. Outer finish: rust, glossy black, glossy white or matte gold. Plaster diffuser support in die-cast aluminum alloy, liquid-painted white. Molded upper bushing in die-cast, polished aluminum alloy, protected with transparent paint on the entire visible part. Upper cable gland and blocking ring nut in black injection-molded PC (polycarbonate). Shaped, galvanized adjustment screws. Transparent, injection-molded, upper and lower silicone shock absorbers. Lamp holder and fixing support in black injection-molded PPS (polyphenylene sulfide).