![Mid-Century Vintage Model Diamond 421 Chair with Leather Cushioning by Harry Bertoia for Knoll Inc. / Knoll International for sale at Pamono Mid-Century Vintage Model Diamond 421 Chair with Leather Cushioning by Harry Bertoia for Knoll Inc. / Knoll International for sale at Pamono](https://cdn20.pamono.com/p/g/8/3/835054_nx01v1oqru/mid-century-vintage-model-diamond-421-chair-with-leather-cushioning-by-harry-bertoia-for-knoll-inc-knoll-international-1.jpg)
Mid-Century Vintage Model Diamond 421 Chair with Leather Cushioning by Harry Bertoia for Knoll Inc. / Knoll International for sale at Pamono
![363: HARRY BERTOIA, prototype Diamond chair < Modernist 20th Century, 5 December 2004 < Auctions | Wright: Auctions of Art and Design 363: HARRY BERTOIA, prototype Diamond chair < Modernist 20th Century, 5 December 2004 < Auctions | Wright: Auctions of Art and Design](https://www.wright20.com/items/index/2000/363_0_modernist_20th_century_december_2004_harry_bertoia_prototype_diamond_chair__wright_auction.jpg?t=1517394025)
363: HARRY BERTOIA, prototype Diamond chair < Modernist 20th Century, 5 December 2004 < Auctions | Wright: Auctions of Art and Design
![HARRY BERTOIA, Diamond Chair. Model designed in 1952. - Bukowskis | Harry bertoia, Bertoia, Bertoia diamond chair HARRY BERTOIA, Diamond Chair. Model designed in 1952. - Bukowskis | Harry bertoia, Bertoia, Bertoia diamond chair](https://i.pinimg.com/474x/2a/09/f1/2a09f10e9e9e9e88cf6a8e9edd8101d7.jpg)