Bertoia Diamond ArmchairDescription Dimensions 3D model The Diamond Chair was first created as a prototype in 1952 by Harry Bertoia as one of the first pieces in his wire collection. The iconic and stylish design of the chair welcomes a sense of transparency and lightness which were key elements Bertoia aimed to achieve in his design. The Diamond Chair comes with the choice of an additional seat pad to add a further sense of comfort, also allowing the chair to be adapted to