Available 
Emma Helix Hybrid Deluxe Mattress
from £799-£1,359.
£799-£1,359
Sizes tracked: Single, Double, King Size, Super King
Emma Hybrid
Emma Diamond Hybrid Deluxe Mattress review
Emma Diamond Hybrid Deluxe Mattress is a medium-feel hybrid with 800 pocket springs, a 29cm profile and a premium price that makes size, trial terms and fit worth checking carefully.
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Last verified: 2026-09-02
Quick verdict
Emma Diamond Hybrid Deluxe Mattress is a medium-feel hybrid that will mainly appeal to shoppers who want pocket-spring support plus foam comfort in a taller 29cm build. At £959 to £1,559 depending on size, it sits above the peer median, so the value question depends on whether the 100-night comfort trial, 10-year guarantee and size-specific price feel worth the premium. Check the retailer page for the latest price, delivery details and whether your chosen size is in stock before ordering.
Available sizes and prices
Emma Diamond Hybrid Deluxe Mattress is listed with 4 size options from £959-£1,559. The visible sizes include Single, Double, King Size, Super King, so use the table to compare the option that matches the exact size, colour, format or specification you want. Always confirm the final checkout price, delivery charge and stock status on the retailer page.
Key product details
These are the retailer details worth checking first for Emma Diamond Hybrid Deluxe Mattress: Brand: Emma; Type: Hybrid; Sizes tracked: Single, Double, King Size, Super King; Price range: £959-£1,559. Treat them as a quick fact sheet, then use the retailer page to verify any installation, warranty, delivery or model-number details before buying.
| Brand | Emma |
|---|---|
| Type | Hybrid |
| Sizes tracked | Single, Double, King Size, Super King |
| Price range | £959-£1,559 |
| Owner rating signal | 4.7 out of 5 shown; review volume needs checking with the retailer |
| Last checked | 2026-09-02 |
What the product page says
The retailer listing shows 800 pocket springs, Reflex foam layers, a medium feel and a single-sided design that should be rotated top to toe seasonally. It also lists a removable, machine-washable cover, vacuum-packed and rolled delivery, 29cm depth and a 10-year guarantee, plus a 100-night comfort trial. Tracked sizes are Single, Double, King Size and Super King, but the Single is currently marked out of stock in the supplied data.
What matters most from the listing
This looks like a premium-positioned Emma hybrid rather than a budget buy, so shoppers should judge it by fit rather than headline features alone. The visible 4.7 out of 5 rating is encouraging, but the review count needs checking before treating it as strong proof of satisfaction. The biggest practical checks are whether the 100-night trial and 10-year guarantee are still current, whether the cooling language matches your comfort needs, and whether the 29cm height works with your bed frame and bedding.
Buyer trade-offs to weigh up
The trade-off here is between a medium-feel hybrid like Emma Diamond Hybrid Deluxe Mattress and firmer or softer alternatives in the same price zone. The 29cm depth may leave less clearance on some bed frames and can change how fitted sheets sit, while vacuum-packed and rolled delivery should be factored into setup expectations. Price also moves by size: the Single is £959, the Double is £1,199, the King Size is £1,349 and the Super King is £1,559, so compare the checkout total, including delivery or extras, against nearby hybrids before choosing.
Price and value benchmark
At £959 to £1,559, Emma Diamond Hybrid Deluxe Mattress is priced above the comparable-product median of £599, so it is not a value-led entry point. That makes size choice especially important: the Single starts at £959, the Double at £1,199, the King Size at £1,349 and the Super King at £1,559. For this kind of hybrid, value depends on whether the spring-and-foam build, trial period and guarantee justify the final checkout price for your room and budget.
How it compares with nearby alternatives
If you are comparing Emma Diamond Hybrid Deluxe Mattress with the Emma Helix Hybrid Deluxe Mattress, Simba Hybrid Pro or Panda Hybrid Bamboo Mattress Pro, focus on construction and size-by-size price rather than brand alone. Nearby options vary in price and available size spread, so the better comparison is whether you want a similar hybrid feel at a lower price or a different specification from a competing brand. Check current size availability and the latest retailer price for each model before narrowing the shortlist.
How to read the rating
The visible 4.7 out of 5 rating is a positive signal, but it is not enough on its own because the review volume needs checking with the retailer. Until that count is clear and current, treat the rating as supporting context rather than exact proof of product quality. Related-model review context for the wider Emma Diamond Hybrid line is useful, but it is not the same as independent proof for this exact UK Deluxe variant.
Who it suits
This mattress should suit shoppers who want an everyday comfort hybrid with medium feel, a taller 29cm profile and the reassurance of a 100-night trial. It is also a sensible shortlist candidate for people comparing pocket-spring support with foam comfort layers and checking bed-frame compatibility at the same time. If you are looking at premium hybrids from Emma, Panda or Simba, this one belongs in the conversation on feature fit as much as on price.
Who should look elsewhere
Skip this model if you already know you want a distinctly firmer or softer feel, because the medium rating may not match your preference. Budget-focused shoppers may also find the £959 to £1,559 range too high unless the construction and trial terms are especially important to them. It is also worth verifying size stock first, since the tracked Single size is shown as out of stock in the supplied data.
Comfort and support
Support comes from the Emma Diamond Hybrid Deluxe Mattress’s 800 pocket springs, while the Reflex foam layers are there to add comfort and a more cushioned feel around the spring system. That combination should feel more substantial than a basic sprung model, but the retailer still places it in the medium category rather than the plush or extra-firm end of the scale. The page also uses thermoregulating and cooling language, but shoppers should treat that as a comfort claim to verify rather than a guaranteed outcome.
Value check
Value here is conditional on whether the medium feel, 29cm depth, 800 pocket springs and practical extras such as the washable cover are the right match for you. The 100-night comfort trial and 10-year guarantee add confidence, but they do not remove the need to compare this against cheaper or differently specified hybrids like the Emma Helix Hybrid Deluxe, Simba Hybrid Pro or Panda Hybrid Bamboo Mattress Pro. In short, the model can be good value for the right shopper, but only after you confirm size, stock and the final checkout total.
Good alternatives to compare
The closest alternatives to compare with Emma Diamond Hybrid Deluxe Mattress include Emma Helix Hybrid Deluxe Mattress, Kaymed Smart Phase 2000 Pocket Hybrid Mattress, Panda Hybrid Bamboo Mattress Pro. Use these cards to check whether a nearby model gives you a better price, a more suitable specification or a clearer match for your space and budget.
Available 
Kaymed Smart Phase 2000 Pocket Hybrid Mattress
from £799-£1,449.
£799-£1,449
Sizes tracked: Single, Double, King Size, Super King
Available 
Panda Hybrid Bamboo Mattress Pro
from £704-£1,154.
£704-£1,154
Sizes tracked: Single, Small Double, Double, King Size, Super King
Retailer details used
Last checked 2026-09-02. The source list below is included to help you check the details behind the comparison. Always confirm the latest price, delivery cost, stock status and product details with the retailer before buying.
More mattresses to compare
These related guides and reviews can help you compare nearby options before buying.
Questions about this mattress
Is Emma Diamond Hybrid Deluxe Mattress worth the price?
It can be, but only if the medium feel, 29cm depth, 800-pocket-spring build and trial terms match what you want. At £959 to £1,559, it sits above the peer median, so compare it with nearby hybrids before deciding.
What feel does Emma Diamond Hybrid Deluxe Mattress have?
The retailer lists it as medium, with pocket springs plus Reflex foam layers. That puts it in the middle ground rather than a clearly firm or soft mattress, so it suits shoppers who want balance rather than a pronounced feel.
Do the 29cm depth and size options matter?
Yes. The 29cm height can affect bed-frame clearance, fitted-sheet choice and how tall the mattress sits in the bedroom. Tracked sizes are Single, Double, King Size and Super King, and the Single is currently shown as out of stock in the supplied data.
How reliable is the 4.7 rating?
It is a useful sign, but not decisive on its own because the retailer review count needs checking. Treat it as supporting context and confirm how many reviews sit behind the score before giving it much weight.