Diamond Mattress UK
Mattresses for every UK bed
Four pocket spring and memory foam mattresses, each in Single, Small Double, Double, King and Super King. Free UK delivery on all of them.
Free UK delivery
Up to 10 years warranty
Secure card payment
Best Value
25cm deep, tight top
Diamond Essential
Honest, breathable comfort for everyday rest
From £99
View mattress
Most Popular
30cm deep, euro top
Diamond Sleep Comfort
A softer top layer for deeper, uninterrupted sleep
From £239
View mattress
Tallest Build
35cm deep, euro top
Diamond Hybrid Royal
Our tallest build, engineered for full-body support
From £299
View mattress
Flagship
30cm deep, euro top
Diamond Premium Luxe
Memory foam comfort with targeted zonal support
From £399
View mattress
Compare Diamond mattresses side by side
The real construction inside each one, so you know exactly what you're sleeping on.
| Diamond Essential | Diamond Sleep Comfort | Diamond Hybrid Royal | Diamond Premium Luxe | |
|---|---|---|---|---|
| Depth | 25 cm | 30 cm | 35 cm | 30 cm |
| Feel | Medium Feel | Medium-Plush Feel | Plush, Deep-Support Feel | Contouring, Zoned Support |
| Top Style | Tight Top | Euro Top | Euro Top | Euro Top |
| Top Layer | Quilted knitted fabric + foam | Quilted knitted fabric + convoluted foam | Quilted knitted fabric + foam + convoluted foam | Quilted knitted fabric + polyester fibre + foam |
| Filling | Foam | Foam | Foam | Memory foam + foam |
| Support | High-rebound pocket spring | High-rebound pocket spring | High-rebound pocket spring with foam encasement | Three-zone pocket spring with foam box |
| Base | Polyester fabric | Polyester fabric | Foam + polyester fabric | 1cm foam + polyester fabric |
| Packaging | Compressed, PP bag + kraft paper carton | Rolled, carton box | Rolled, carton box | Rolled, carton box |
| Warranty | 1 Year Warranty | 2.5 Years Warranty | 5 Years Warranty | 10 Years Warranty |
| Starting Price | £99 | £239 | £299 | £399 |
| View → | View → | View → | View → |