Mid-Century ‘Diamond’ Chair in Leather by Harry Bertoia for Knoll, USA, c. 1960s

Harry Bertoia was an Italian-born welder, sculpture and designer who after moving to the US in 1930, began studying design at Cranbrook Academy of Art where he met and befriended the likes of Ray Eames and Florence Knoll. In 1950 he began working for Knoll creating, among others, the now iconic “Diamond Chair” and the “Bird Chair”. His work has been internationally recognized for it’s forward-thinking approach and it’s literal bending of both metal and rules set for Modern design and his work is on permanent display across the globe in such museums as France’s Musée National d’Art Moderne.

Knoll, now MillerKnoll, Inc., is an American company founded in 1938 that manufactures office systems, seating, storage systems, tables, desks, textiles, and accessories for the home, office, and higher education. The company is the licensed manufacturer of furniture designed by architects and designers such as Harry Bertoia, Ludwig Mies van der Rohe, Florence Knoll, Frank Gehry, Charles Gwathmey, Maya Lin, Marcel Breuer, Eero Saarinen, and Lella and Massimo Vignelli. Over 40 Knoll designs, including the “Diamond Chair”, can be found in the permanent design collection of the Museum of Modern Art in New York City.

With it’s custom hand-made leather seat in rich Italian leather, iconic warped-screen frame and world-famous comfort this “Diamond Chair” is ideal for collectors and designers alike searching for an authentic, vintage Bertoia chair that is ready for a lifetime more of use. With new medium density foam for maximum comfort and longevity, a sturdy base of hand-welded steel and a timeless stance this chair is sure to last the test of time. Make it yours today before it’s gone forever.

—Dimensions—
Width: 34 in / 86.36 cm
Depth: 28 in / 71.12 cm
Height: 31 in / 78.74 cm
Seat Height: 15 in / 38.1 cm
Arm Height: 24 in / 60.96 cm

This iconic set of “Diamond” chairs have recently undergone a partial restoration process featuring new genuine leather upholstery. The steel diamond frames are in 100% original, vintage condition and show only minor scratches nicks and scuffs (the worst of which can be seen in the detail photos provided). We strive to leave pieces in as original condition as possible but we do offer restoration and painting services. If this interests you please message us prior to checkout to discuss options and pricing.

The upholstery, an authentic Italian top-grain leather hide in a vintage-feeling mustard yellow, has been painstakingly recovered using the exact dimensions and seems as the original. The cushions have been replaced with a new medium-density foam for maximum comfort and longevity.

This instantly recognizable set of ‘Diamond’ chairs is ultra-comfortable, structurally solid and ready for a lifetime more of use thanks to their recent restoration. Please view all photos and video for details on this set’s current condition. We’re limited on the amount of media we can post so additional photos and videos are available upon request.