Emma Diamond Hybrid Deluxe King Size Mattress
The Emma Diamond Hybrid Deluxe is a 29 cm deep hybrid, meaning it pairs foam comfort layers with AeroFlex pocket springs, which you'll feel as a balance of cushioning and support rather than the sink of an all-foam bed.
- Graphite foam draws heat away
- Snuggle in without sinking down
- Even support without dipping
£949
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Emma Diamond Hybrid Deluxe Mattress
More available sizes
Mattress details
Mattress
Emma Diamond Hybrid Deluxe Mattress
Size
Firmness
Medium Soft
Construction
Foam
Pocket Spring
Hybrid
Depth (cm)
29
Layers
6
Layer Details
PolarLuxe™ ultra cooling cover
An ultra cooling cover that feels instantly cool and refreshing when you first lie down. It's the first line of defence for hot sleepers.
Diamond Cool™ foam layer
Visco-elastic foam infused with graphite particles, which conduct excess heat away from your body. In practice, that means less of the heat build-up memory foam is known for.
HRXComfort™ foam layer
A comfort foam that lets you snuggle in without sinking down. You get cushioning at the surface while staying reasonably easy to move around on.
AeroFlex™ pocket springs
Individually pocketed springs that distribute your weight evenly, giving balanced support with pressure relief. They also add the responsiveness that all-foam mattresses can lack.
HRXSupport™ foam layer
A precision-engineered base foam that Emma guarantees will keep its shape for 10 years. This is what stops the mattress sagging over time.
Anti-slip bottom cover
A grippy underside that keeps the mattress in place on your bed frame all night. A small detail, but useful on slatted or divan bases.
Layer details from furniturevillage.co.uk product page, September 2026.
Key benefits
- Space to sleep on different schedules: With 75cm each, the partner leaving hours earlier can slide out from their own side without crossing yours.
- Pocket springs limit partner disturbance: The AeroFlex pocket springs move individually, which means an early alarm on one side transfers less motion across 150cm of width than a shared spring unit would.
- Extra length for taller sleepers: At 200cm long, anyone approaching six foot gets clearance their feet never had on a 190cm UK double.
- Cooling that two bodies actually need: Two people sharing generate more heat than one, and the graphite-infused Diamond Cool foam is designed to pull that warmth away from both of you.
- Room for a softer feel to work: A medium soft mattress cushions each sleeper into their own spot, and the UK king's width means those two hollows don't merge into one.
This size suits you if...
You share the bed every night and one of you keeps waking the other, either through movement or an early start. Or one of you is approaching six foot and the 200cm length is the real draw, with the extra width a bonus. It also suits couples whose dog has quietly become a permanent third sleeper and who need the mattress to absorb that.
Consider another size if...
Your bedroom is smaller than the 2.7m x 2.9m we suggest as a minimum for this size, or you sleep alone and the width would go unused. In either case we'd recommend the UK double instead.
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FAQ's
Is the Emma Diamond Hybrid Deluxe in a UK king big enough for a couple?
Yes, and comfortably so. At 150 x 200cm it gives two people 75cm of width each, which is 15cm more than a UK double offers between you. On a softer-leaning mattress like this one, that gap stops you both rolling towards the same dip in the middle.
Will I feel my partner getting up on the UK king Emma Diamond Hybrid Deluxe?
Less than you might expect. The AeroFlex pocket springs compress individually rather than as one unit, so movement on one side travels poorly across the mattress. Combined with the UK king's 150cm width, a partner leaving for an early shift is far easier to sleep through than on a narrower size.
Is the Emma Diamond Hybrid Deluxe UK king long enough for someone over six foot?
At 200cm, it's 10cm longer than the 190cm UK single, small double and double, and that difference is exactly where taller sleepers feel it. If one of you is over six foot, the length may be the stronger reason to choose the UK king than the width, although you get both.
Does the Emma Diamond Hybrid Deluxe UK king fit a new build master bedroom?
Often yes, but measure first. New build masters can be smaller than they look once fitted wardrobes go in. We suggest at least 2.7m x 2.9m for a UK king, with 3.2m x 3.2m feeling comfortable. If your room falls short, the UK double is the sensible step down.
Where can I find the best price on this mattress in a UK king?
Compare the retailers listed on this page. The prices shown here are updated as retailers change them, so checking the live table beats relying on a figure from a review written weeks ago. Make sure the listing specifies the UK king, 150 x 200cm, before you buy.