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Knoll · Lounge Chairs

Knoll Bertoia Diamond Chair

Designed by Harry Bertoia · Knoll

Patios and living rooms wanting Harry Bertoia's wire Diamond lounge chair.

$2,229 – $6,159

  • 5-year warranty
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Check price at Knoll ↗

Summary

Harry Bertoia's welded steel wire lounge chair, sold with a seat pad or a full cover.

Best for

  • Living rooms that want a sculptural, see-through lounge chair.
  • Choosing a finish; Knoll offers bonded Rilsan, polished chrome or 18K gold plating.
  • Buyers who want a chair that arrives fully assembled, with a 5-year warranty.

Good to check first

  • Seat height is 16¼", lower than a dining chair; check it against how you like to sit.
  • For outdoor use pick a black or white Rilsan finish and the Chain Link pad; chrome, gold and several fabrics are indoor only.
  • Knoll's store allows returns within 30 days.

The trade-off

A design icon that is light at 15.5 lb, with comfort depending on the pad or cover you choose.

Value check

Lists at $2,229 to $6,159 at Knoll's US store, depending on seat pad or full cover, finish and upholstery.

Price
$2,229 – $6,159
Warranty
5 years

What Knoll highlights

  • Welded steel rods

    The shell is a grid of welded steel rods. Knoll calls Bertoia's wire chairs one of the best-known achievements of mid-century modern design.

  • Seat pad or full cover

    Choose a foam seat pad or a fully upholstered cover. The optional pad fixes to the chair with metal snaps.

  • Outdoor-ready versions

    Black and white bonded Rilsan finishes and the Chain Link olefin pad fabric are suitable for outdoor use, according to Knoll.

As described by Knoll on its official pages; not a Chairpedia assessment.

Before you buy

Fit (official)

  • Seat height 16¼"; seat depth 19".
  • Overall 30" H × 33½" W × 28" D.

Delivery and setup

  • Comes fully assembled; weighs 15.5 lb.
  • 5-year warranty.

Returns (official policy)

  • Knoll store: 30 days to return your order.
  • Other sellers set their own return terms.

Sources: Knoll, Bertoia Diamond Lounge Chair ↗ (checked Oct 12, 2026)

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Specs

Size and fit
Sizes
30" H × 33½" W × 28" D
Seat height
16.25 in (41 cm)
Seat depth
19 in (48 cm)
Build and warranty
Warranty
5-year warranty
Chair weight
15.5 lb (7 kg)

About Knoll

Founded
1938, as the Hans G. Knoll Furniture Company in New York
Part of
MillerKnoll

Hans Knoll started the company in a small space on East 72nd Street in New York in 1938. Florence Schust joined in 1943, and she and Hans married in 1946.

Questions

How much does the Knoll Bertoia Diamond Chair cost?

It costs $2,229 – $6,159 at the Knoll US Store (Bertoia Diamond Lounge Chair, Seat Pad ($2,229 to $4,061) and Full Cover ($3,521 to $6,159) versions, all frame finishes and upholsteries; excludes ottoman, Large Diamond and outdoor versions), checked Oct 2026.

What sizes or versions of the Knoll Bertoia Diamond Chair are there?

It comes in 30" H × 33½" W × 28" D.

Where can I buy the Knoll Bertoia Diamond Chair?

You can buy it from Amazon or the Knoll US Store. Check the configuration, price and return terms before ordering.

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Specs and prices come from the brand sources listed under Specs and next to the price; User Insights link to their originals. Confirm the exact configuration, seller and price before buying. Editorial policy

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