# Diamond Flurry Lux (Medium) vs Leesa Sapira Chill: Firmness, Price, and Construction Compared

Canonical: https://squishmat.com/compare/diamond-flurry-lux-medium-vs-leesa-sapira-chill · Data refreshed 2026-09-04 · Source: SquishMat

These two are close substitutes on paper — the spec table below shows where they differ.

## Full spec table

| Spec | Diamond Flurry Lux (Medium) | Leesa Sapira Chill |
| --- | --- | --- |
| Type | Hybrid | Hybrid |
| Firmness | 4/10 | 4/10 |
| Height | 13.5" | 14" |
| Queen price | $1,799 | $1,727 |
| Price range (all sizes) | $1,399–$1,999 | $1,727 |
| Foam densities (lb/ft³, top → bottom) | 1.5 / 4.0 / 1.5 / 1.5 | 1.5 / 3.0 / 2.5 / 1.8 / 1.5 |
| Coil gauge | 14 | 13.5 |
| Coil count (queen) | — | — |
| Cooling | 6/10 | 6/10 |
| Motion isolation | 6/10 | 6/10 |
| Edge support | 8/10 | 8/10 |
| Pressure relief | 8/10 | 8/10 |
| Support | 9/10 | 9/10 |
| Natural materials | 3/10 | 4/10 |
| Notable features | Cooling-focused hybrid, 4 PCF cooling comfort foam, Phase-change cover fabric, Medium-soft pressure relief | Cooling upgrade of the Sapira, 3 PCF comfort foam, Phase-change cooling cover, Medium-soft hybrid feel |
| Spec source | NapLab | NapLab |

## Key differences

- The Leesa Sapira Chill runs thicker support coils (13.5-gauge vs 14-gauge — lower gauge means thicker, firmer wire).

## Who each mattress is for

**Diamond Flurry Lux (Medium):** The Diamond Flurry Lux (Medium) has a soft feel best suited to lighter sleepers and side sleepers who need deep pressure relief. Strengths: Excellent pressure relief at the shoulders and hips; Strong, even support that keeps the spine aligned; Sturdy edges that make the full surface usable.

**Leesa Sapira Chill:** The Leesa Sapira Chill has a soft feel best suited to lighter sleepers and side sleepers who need deep pressure relief. Strengths: Excellent pressure relief at the shoulders and hips; Strong, even support that keeps the spine aligned; Sturdy edges that make the full surface usable.

## FAQ

### Which is firmer, the Diamond Flurry Lux (Medium) or the Leesa Sapira Chill?

They rate the same: both are a 4/10 on the firmness scale, a soft feel best suited to lighter sleepers and side sleepers who need deep pressure relief.

### Which is cheaper, the Diamond Flurry Lux (Medium) or the Leesa Sapira Chill?

The Leesa Sapira Chill is cheaper in a queen: $1,727 versus $1,799, as of 2026-09-04.

### What is the main construction difference between the Diamond Flurry Lux (Medium) and the Leesa Sapira Chill?

Both are hybrid builds; the biggest spec difference is the support core — the Leesa Sapira Chill uses thicker coils. Full specs are in the table above.

## More

- [Diamond Flurry Lux (Medium) — full specs](https://squishmat.com/mattresses/diamond-flurry-lux-medium)
- [Leesa Sapira Chill — full specs](https://squishmat.com/mattresses/leesa-sapira-chill)
- [Comparison matrix: every mattress we track](https://squishmat.com/compare)

Free to cite with attribution — link to the canonical page. Where a datapoint traces to a third-party teardown, please credit the original measurer too (sources are cited per bed on https://squishmat.com/mattress-database).