Deal verdict
The Emma Diamond Spring Free Deluxe Mattress is the better deal today.
It is at its usual price, while the Dormeo S Plus Evolution Memory Foam Mattress has been cheaper. The Dormeo S Plus Evolution Memory Foam Mattress costs £440 less today.
Dormeo
Worth waiting
£799 Double · Hybrid
It's been cheaper. It was £489 on 12 Nov 2026. It's been £799 or less for 100% of the 32 days we've tracked.
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Mattress Online
Usual price
£1,239 Double
£1,239 is the usual price. You can safely ignore any countdown timer. It's been £1,239 or less for 100% of the 61 days we've tracked.
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| Dormeo S Plus Evolution Memory Foam Mattress | Emma Diamond Spring Free Deluxe Mattress | |
|---|---|---|
| Mattress type | Hybrid | Not stated |
| Warranty | 15 years | 10 years |
| Firmness | Not stated | Medium |
| Sizes | Single, Double, King, Super King | Single, Double, King, Super King |
Specs are the figures each retailer publishes. Prices are for the size shown above.