Bertoia Diamond is a chair created by Harry Bertoia for Knoll. Seat and base are constructed of welded steel rods. Its base finish is made of 18 karat gold plating, whilst its frame of clear lacquer. In honor of the designer's 100th birthday, Knoll introduced the classic lounge chair finished in 18k gold. Bertoia Diamond is a chair designed in the '50s, but still very contemporary. Unmistakable stylish and luxurious for a chair apparently lightly. The designers Bertoia created a chair sublime with an industrial material for those times, elevating it beyond its normal utility into a work of art. It adapts to all types of interiors from the living room to the bedroom, both contract. Knoll logo stamped into the back of the base. Upholstery cushion: fabric cat. C Tonus and Knoll Felt (Seat pad attach directly to the frame with hidden mono-filament and metal hooks).