Original vs reproduction
Bertoia Diamond Chair
Welded steel wire shaped into a lattice diamond, on a rod base. Produced by Knoll.
| Designer | Harry Bertoia |
|---|---|
| Year | 1952 |
| Authorized makers | Knoll |
What it costs today
All listings →Original / VintageSample
Vintage original
$910
delivered · $750 + $160 ship
- Period
- 1970s
- Authenticity
- High — marks described
- Condition
- good
- Shipping
- 5–9 days
- Source
- eBay (sample)
The practical differences
A reproduction is not an original and is not equivalent to one. It can still be the right purchase — just know what you're buying.
| Materials | Steel wire, chrome or coated. |
|---|---|
| Construction | Welded lattice. |
| Dimensions | Standard and large versions. |
| Warranty | Knoll warranty on new. |
| Provenance | Labels. |
| Finish | Vintage chrome can pit; rilsan coatings on outdoor versions. |
| Expected longevity | Very durable. |
| Price | Freight-light. |
How to recognize an authentic example
- Knoll labels
- Hand-bent, welded wire lattice
- Separate base with rubber shock mounts
What reproductions usually change
Reproductions use heavier-gauge wire and cruder welds.