• Eco-Friendly

    Eco Friendly

    Eco Friendly items utilize energy efficient technology or sustainable manufacturing processes to provide a product that saves operating costs while being a more responsible environmental choice.

    Eco Friendly products include Compact Fluorescent light bulbs, LED light bulbs, and items that utilize sustainable materials such as bamboo or use post consumer recycled content.

  • Energy Efficient

Design by Harry Bertoia, 1950.
By Knoll.

This innovative design from Harry Bertoia features a durable bent grid of steel rods. The Diamond Chair is available with a padded Seat Cushion covered in select Vinyl colors. Constructed in durable materials, employing impeccable craftsmanship, the frame is welded steel with rods in bonded Rilsan, making it scratch, chip and chemical resistant. The Chair features stainless steel connections and four plastic glides.
More fabrics are available, please call our Sales Department at (800)462-7638.

Product Features:

  • Recipient, "Designer of the Year" 1955, USA; Certificate of Merit, American Institute of Architects
  • Frame offered in powder coat (suitable for outdoor use) or Chrome (indoor only)
  • Seat pad snaps onto the frame with domed snap buttons
  • Seat and base are constructed of welded steel rods
  • Plastic glides included on sled base to protect floors
  • Knoll logo stamped into the back of the base
  • GREENGUARD Indoor Air Quality Certified®

  • 33.5"W X 28.25"D X 30"H
  • Seat Height: 16.5"H
Welded steel and fabric (content dependent on textile/leather selection)
Manufacturer Information
Click to download specifications.
Item Number
421L-1-K 421L-2-K 421L-C-K 421L-CO-K