We value your privacy

Our website uses cookies to enhance your experience, serve personalized ads and analyze our traffic. To learn more, see our Cookie Policy

Autumn Deals & Free Delivery! Ends in
0days
 
0hrs
 
0mins
 
0secs
Description

Looking to upgrade your bed with the most innovative sleep designs on the market? The Emma® Diamond Degree Mattress Topper will do exactly that, featuring incredible graphite-infused Diamond Degree® technology to cool your body as you sleep. Forget overheating - you'll experience the most refreshing, revitalising sleep possible with this Telegraph Best Buy Award Winning product.

Engineered to extend deep sleep phases

Emma's ingenious Diamond Degree® Graphite Foam offers a refreshing sleep like no other. Scientifically engineered to enhance your deep sleep stages by lowering your core body temperature, this foam cleverly absorbs heat and moisture, offering the optimal sleeping climate.

Personalised pressure relief

A layer of adaptable HRX Comfort Foam also contours to the unique curvature of your body, providing maximum pressure relief. Gently adapting to your movements throughout the night, this foam provides additional support and cushioning so you can get the most rejevenating sleep possible.

A cleaner sleeping environment

A breathable elastic cover enhances airflow throughout the mattress, amplifying the Diamond Degree® technology's cooling properties. This cover is also removable, so you can easily keep this mattress topper perfectly clean, which, coupled with hypoallergenic properties, ensures a fresh, hygienic sleeping environment.

1278367-5056370746098

Features
Adaptable HRX Comfort Foam icon
Adaptable HRX Comfort Foam
High Resiliency Extra foam is highly durable, offering consistent, impressive support.
9cm Depth icon
9cm Depth
This topper is approximately 9cm deep.
Pressure Relieving icon
Pressure Relieving
Maximum pressure relief, allowing your weight to spread evenly.
Removable Cover icon
Removable Cover
This product comes equipped with an easily removable cover.
Hypoallergenic icon
Hypoallergenic
Being hypoallergenic, this is the perfect item for allergy sufferers - or anyone looking for a healthy night's sleep.
Diamond Degree® Graphite-Infused Cooling Technology icon
Diamond Degree® Graphite-Infused Cooling Technology
Cools your core body temperature to help you reach a deep sleep phase faster and stay there longer.

Additional features

  • Knitted CoverSoft to the touch and breathable.
  • Cushioned Comfort Ultimate cosy comfort that gently cocoons your body.
  • Vegan FriendlyMade entirely without animal products or by-products.
Benefits
  • Graphite-infused Diamond Degree® technology cools your core body temperature, extending your deep sleep phases and preventing overheating or night sweats
  • HRX Comfort Foam contours to your unique body shape, providing maximum pressure relief and comfort
  • A breathable, removable cover helps you keep your sleep set up as clean and hygienic as possible
  • Specialist climate-regulating elastic cover is designed to enhance and maintain the cooling properties of the Diamond Degree® technology, ensuring maximum airflow
Warranty & Guarantee

2 Year Guarantee

This product comes with a 2 year manufacturer's guarantee.

Emma® Diamond Degree Mattress Topper

5.0 star rating
5.0
based on 4 reviews
5.0 out of 5
(4)
(0)
(0)
(0)
(0)
Knitted Cover
Adaptable HRX Comfort Foam
9cm Depth
Pressure Relieving
Award Winning Product
£179
£330
You save £151
from £179
Size chart
Size
Single
Single
3' x 6'3"
£179
Small Double
4' x 6'3"
£219
Double
4'6" x 6'3"
£269
King Size
5' x 6'6"
£299
Super King
6' x 6'6"
£319
This product combination is unavailable.


Shop in confidence knowing our award winning delivery is hassle-free!

Free next day delivery

Choose a day & time that suits you

Old mattress removal available

Delivery to room of choice available

Your order helps us plant trees

149,970+ Trees planted so far

A logo for Ecologi

Rated Excellent

5.0/5
based on 4 reviews
Trustpilot star rating
Quality of product
5 / 5
Value for Money
4.8 / 5
100%
0%
0%
0%
0%
Show all ratings
5
4
3
2
1
Filter by keyword
All
All
Firmness
Trustpilot Star rating Verified

Great product.

Eleni Salamaxani 25th Sep
Trustpilot Star rating Verified

Top marks for comfort

Mr John Lawton 21st Sep
Trustpilot Star rating Verified

Very comfortable firm but soft and molds to your body. The one thing I would have preferred is straps to hold it in place as my husband moves a lot in his sleep and it moves slightly. A little nudge and its back in place so not too much of a issue for the comfort.

Read moreless
Rochelle Burnett 14th Aug
Trustpilot Star rating Verified

Really lovely topper. Emma gives you the best nights sleep. Bargain on sale.

Shirley 8th Jan
Good Housekeeping Institute 2023
Good Housekeeping's Textile Lab extensively researches the best brands, features and materials on offer to recommend only the most premium mattresses. Voted for by product testing experts as well as a diverse panel of customers, a Good Housekeeping Institute Approved badge is a sign of a mattress' ability to perform exactly as it promises.
Good Housekeeping Institute 2023
T3 Best Buy
Since 1996, T3 have been reviewing the best products in the technology and lifestyle industries. While nominations for a T3 Best Buy are made by readers, their panel of tech experts select the final winners. A T3 Best Buy award is a sign of a truly cutting-edge, innovative product.
T3 Best Buy
Telegraph Best Buy Award
A household name since 1855, The Telegraph take recommending products to their millions of readers seriously. A Telegraph Best Buy Award is a prestigious mark of true quality, reserved for the best products tried and tested by their team of experts.
Telegraph Best Buy Award
A logo for Ecologi

Your order helps us plant trees

149,970+ Trees planted so far

Free, fast delivery

Award winning delivery

Mattress recycling

Planet-friendly disposals

A logo for Klarna

0% Interest finance

Buy now, pay later with Klarna

18+, T&Cs apply, Credit subject to status
Emma® Diamond Degree Mattress Topper

Emma® Diamond Degree Mattress Topper

£

Size Imperial Metric
Small Single 2'6" x 6'3" 75cm x 190cm
Single 3' x 6'3" 90cm x 190cm
Small Double 4' x 6'3" 120cm x 190cm
Double 4'6" x 6'3" 135cm x 190cm
King Size 5' x 6'6" 150cm x 200cm
Super King 6' x 6'6" 180cm x 200cm
European Small Single 2'8" x 6'6" 80cm x 200cm
European Single 3' x 6'6" 90cm x 200cm
European Double 4'7" x 6'6" 140cm x 200cm
European King Size 5'3" x 6'6" 160cm x 200cm

All mattress sizes given are approximate and stated sizes refer to the sleeping surface only. Mattresses sizes may vary slightly from their stated dimensions due to manufacturing tolerances, please allow +/- 2 inches (5cm).

Shop now, pay later with Klarna.
klarna icon

You can spread the cost of purchases over £400 without any fees or interest thanks to our partnership with Klarna, a payment service provider.

Available payment options

Pay in 30 days
  • Spend £400 or more.
  • Proceed to checkout and select Klarna’s pay in 30 days interest-free option.
  • Get an instant decision on your application.
  • Enjoy your new purchase and in 30 days, Klarna will automatically take out your payment.
Spread over 3 payments
  • Spend £400 or more.
  • Proceed to checkout and select Klarna’s pay in 3 interest-free instalments option.
  • Get an instant decision on your application.
  • Pay the 1st instalment when your order is confirmed and instalments 2 and 3 will be scheduled 30 and 60 days later, respectively.
0% finance over 6 months
  • Spend £400 or more.
  • Proceed to checkout with your purchase and select Klarna’s interest-free 6 month finance option.
  • Get an instant decision on your application.
  • Pay the 1st instalment when you order and pay the rest on a month-by-month basis over 6 months. You can also pay off the full amount anytime.
0% finance over 12 months
  • Spend £400 or more.
  • Proceed to checkout with your purchase and select Klarna’s interest-free 12 month finance option.
  • Get an instant decision on your application.
  • Pay the 1st instalment when you order and pay the rest on a month-by-month basis over 12 months. You can also pay off the full amount anytime.

18+, T&Cs apply, Credit subject to status. Bedsonline.biz Ltd is authorised and regulated by the Financial Conduct Authority (FCA FRN 710091) and acts as a credit intermediary and not a lender, offering credit products provided exclusively by Klarna Bank AB (publ). Finance is only available to permanent UK residents aged 18+, subject to status, terms and conditions apply. Klarna’s [Pay in 3 instalments] [and] [Pay in 30 days] are unregulated credit agreements.Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+, UK residents only. Subject to status. Ts&Cs and late fees apply.

Share via email

Or share via social media

An error has occured. Please try again.