Harry Bertoia Diamond Chair – Black upholstery, chrome wire frame, Knoll design

An iconic example of American Mid-Century Modern design, the Diamond Chair was created by Italian-born American designer Harry Bertoia in 1952 for Knoll International. A masterpiece of sculptural furniture design, the chair features Bertoia’s celebrated geometric wire construction, forming an elegant, diamond-shaped silhouette that appears almost weightless. The delicate interplay of intersecting steel rods creates a remarkable sense of transparency and architectural lightness, while the generously upholstered black seat provides a beautiful contrast to the polished metal framework. Bertoia famously approached furniture as sculpture, exploring the relationship between space, form and material. The Diamond Chair perfectly embodies this philosophy, combining artistic expression with functional design. This example features elegant black upholstery, beautifully complementing the chromed steel structure and giving the chair a sophisticated, timeless appearance. Equally at home in a contemporary interior, modernist setting or curated design collection, the Diamond Chair remains one of the most recognisable and influential seating designs of the 20th century.