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  • Made in

  • Free Nationwide

  • 20-Year

  • Easy

Our Layers of Comfort


Advanced PCM coating to regulate temperature and luxury stretch-knit design to contour to your body to relieve pressure and enhance conformability and pressure relief.


Graphene and conductive flakes dissipate heat from the surface of the skin to actively regulate your core temperature for the most natural sleeping environment.


With over 1,000 micro-coils creating weightless pressure relief, this wrapped coil design enhances airflow and breathability to maintain a comfortable sleep environment.


Hyper-conductive foam that regulates your core temperatures and contours to your natural shape to help achieve a comfortable sleeping posture.


Prevents motion transferred between partners for less disturbance and improves alignment by relieving pressure along the shoulders, back, and hips.

Foam Encased Comfort Edge

Edge to edge comfort while you sleep

Increases usable sleep surface by allowing you to sleep all the way to the edge

Create a better edge for entering, exiting and sitting on the side of the mattress

Reduces motion transfer between partners for less disturbance and deeper sleep

Superior Pressure Relief

Our combination foam and coils offer a hybrid design for a boost of balanced comfort.

Contours to your natural shape to help achieve a comfortable sleeping posture

Hyper-conductive foam regulates core temperatures for a natural sleep

Coils provide breathability and additional comfort and support

Pain and Pressure Relief

A hybrid design for a boost of balanced comfort, which contours to your natural shape to help achieve a comfortable sleeping posture

  • Cooler Sleep

    Hybrid coils allow more airflow under the top layers of material to keep the mattress Fresh & Cool

  • Pain and Pressure Relief

    Indivdual coils provide personalized support and contouring to eliminate painful pressure points, reducing tossing and turning at night

  • Eco-Friendly

    Our coils are made by Diamond in the USA using recycled steel and our foams are certipur-us certified to have no harmful VOC's

  • No Motion Transfer

    Individual coil unit prevents motion transfer between partners and provides personalized support

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The Diamond Risk-Free Trial

Fast and free nationwide delivery.

Try the mattress with no risk for 120 days

If you’re not fully satisfied, we’ll pick up the mattress at no charge to you.


A hybrid design for a boost of balanced comfort, which contours to your natural shape to help achieve a comfortable sleeping posture

Firmness Options

Plush mattresses provide great support for side sleepers looking for spinal alignment improvements.
Medium mattresses offer the ideal combination of support and comfort, and are suitable for people who sleep in any position.
Firm mattresses improve spinal alignment in back and stomach sleepers.

Product Specs

39" x 75” x 14”
53 lbs
Twin XL
39” x 80” x 14”
58 lbs
54” x 75” x 14“
67 lbs
60" x 80” x 14”
80 lbs
76“ x 80” x 14”
100 lbs
Cal King
72” x 84” x 14”
100 lbs

2" HD Certipur Comfort Foam
Patented Support System: Center Zoned Nested Wrapped Coils
Foam Encased Design
CoolTouch Advanced: Active temperature regulation Color Changing / PCM / Cool to touch
2" Luxurious Quilting
2" Hyperconductive Diamond MEMORY Foam
1383 Micro-Coil Support System

Certipur - US Certified

Packaged conveniently and delivered right to your door.

FOREVER WARRANTY Because Diamond's Are Forever! Guaranteed for as long as you own your mattress. [Learn More]

  • "A quality mattress that won't break the bank."

  • "Diamond offers a great line of hybrid mattresses..."

  • "I strongly recommend purchasing a Diamond mattress."

  • "They actually make their own pocket coils and process their own memory foam."

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Diamond offers the most comfortable mattresses available. We sell directly to you, cutting out middlemen and markups. You enjoy the best mattress at a much better price. Diamond is designed for every type of sleeper and arrives backed by our Forever Warranty plus a 120-day sleep trial, so you can make sure Diamond is right for you, at no risk. Diamond arrives straight to your door. If you'd like, you can select our optional White Glove Delivery Service option at checkout and we can setup your Diamond mattress in addition to removing your old mattress. Thousands of Diamond customers and over 20 mattress review sites think Diamond mattresses are the most comfortable mattress you can purchase - and if you don't agree, we'll take it back and refund your full purchase.

Our Forever Warranty guarantees the construction, materials, quality and durability of your Diamond mattress for the original purchaser. We firmly believe in making your Diamond mattress the only mattress you'll ever need. We back up Diamond's quality in absolute terms, without the fancy and overly-complex legal jargon. [Read the full details here]

What about trying out the mattresses in person?

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