Humanscale Diffrient World vs Herman Miller Sayl

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

Humanscale

Humanscale Diffrient World

$1,431

Herman Miller

Herman Miller Sayl

$935 – $1,580

$496

lower starting price for Herman Miller Sayl than Humanscale Diffrient World at the brand stores

Differences at a glance

Humanscale Diffrient WorldHerman Miller Sayl

Price: $1,431$935 – $1,580
Seat height: 15.6” – 20.75”16–20.5 in standard; 15–19 in low; 16.5–22 in extended
Load capacity: up to 400 lbs350 lb (159 kg)
Recline: 17° recline + 8° backrest tiltHarmonic Tilt; Tilt Limiter standard, Tilt Limiter with Seat Angle optional
Arms: Duron Arms: Armless / Fixed / Height Adjustable / 4DOptions: No Arms, Fixed Arms, Height Adjustable Arms, Fully Adjustable 4D Arms
Lumbar support: Tri-paneled Form Sensing mesh back (no manual lumbar adjustment)PostureFit Sacral Support Standard; Lumbar Support Optional
Warranty: 15 Years, Components and Parts | 5 Years, Fabric and Cushions12-year, 3-shift

From 7 Humanscale Diffrient World and 23 Herman Miller Sayl user reviews, most mentioned first. Green is liked, orange is a caution.

Comfort
Humanscale Diffrient World8 mentions
Herman Miller Sayl22 mentions
Price and value
Humanscale Diffrient World6 mentions
Herman Miller Sayl19 mentions
Design
Humanscale Diffrient World6 mentions
Herman Miller Sayl14 mentions
Build quality
Humanscale Diffrient World4 mentions
Herman Miller Sayl14 mentions
Back support
Humanscale Diffrient World3 mentions
Herman Miller Sayl14 mentions
Adjustability
Humanscale Diffrient World5 mentions
Herman Miller Sayl10 mentions

Which is cheaper, the Humanscale Diffrient World or the Herman Miller Sayl?

The Herman Miller Sayl is cheaper to start: $935 versus $1,431 for the Humanscale Diffrient World at the brand stores (Sep 2026).

What do owners mention most?

Comfort for the Humanscale Diffrient World, and comfort for the Herman Miller Sayl, based on review summaries.