Black Diamond Mattress
Black Diamond Mattress
Black Diamond Mattress
Black Diamond Mattress
Black Diamond Mattress
Black Diamond Mattress
Black Diamond Mattress
Black Diamond Mattress
Black Diamond Mattress
Black Diamond Mattress

Black Diamond Mattress

$2,899.00 $2,299.00 Save $600.00
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Mattress Type
Comfort
Size
Size chart
  • In stock, ready to ship
  • Backordered, shipping soon
  • Ships out in 7 - 10 days via FedEx

We want you to love sleeping on your Diamond Mattress as much as we loved hand-crafting it, which is why every purchase comes with a 120-night at-home sleep trial. This gives you plenty of time to experience the comfort and support of your new bed and decide if it’s the right fit for you. We recommend trying it for at least 30 nights to allow your body time to adjust. If you have a change of heart, no problem—returns or exchanges are free and easy within the 120-night window, starting from the day your mattress arrives.

Experience unparalleled luxury and comfort with the Black Diamond Hybrid Mattress, designed for a restful night’s sleep. The CoolTouch Ultra Cool Cover and Flex Cooling Bands keep you cool for 12+ hours by drawing heat away, while high-density Cool Titanium Memory Foam provides body-contouring support and weightless pressure relief. The 9-Series Wrapped Coil System boosts airflow, offers targeted support, and ensures edge-to-edge comfort, allowing you to enjoy a rejuvenating night sleep.

Key Features:

  • CoolTouch Ultra Cool Cover for a breathable, cooling sleep surface
  • Zip-on and off removeable cover for easy cleaning
  • Ice Flex Cooling Bands to regulate temperature
  • Cool Titanium Memory Foam for superior comfort and pressure relief
  • 9-Series Wrapped Coil System for targeted support and motion isolation
  • Foam Encasement for extra edge support
  • Available in Firm, Medium, and Plush comfort levels
  • Backed by a 20-Year Warranty

Diamond Mattresses meet the most stringent certification standards, ensuring safe, non-toxic materials, a healthier sleep environment, and sustainable practices for your peace of mind and are fiberglass-free. All our foams are CertiPUR-US certified and mattresses hold Greenguard Gold certification.

Mattress Type:

Not sure which mattress type is right for you? Here's a quick guide to help you choose the perfect fit:

Hybrid

Cool, responsive, and supportive
Hybrid mattresses combine cooling memory foam with a supportive coil system to offer a balanced feel with airflow, bounce, and comfort. They are a great choice for sleepers who prefer a cooler, more responsive surface.

Quilted Hybrid

Lux comfort with hybrid support
Quilted hybrid mattresses include all the benefits of the hybrid design, with the added softness of a quilted Euro top. They are ideal for those who want extra cushioning without giving up support.

All-Foam

Contouring and motion-absorbing
All-foam mattresses are made from premium memory foam that molds to the body and reduces motion transfer. They are best suited for sleepers who enjoy a more still, body-hugging feel.

Firmness levels from plush to firm

Not sure which firmness is right? Here’s a quick guide to help you choose the best mattress feel based on sleep style and comfort preferences.

Plush

Soft and pressure-relieving
Plush mattresses are well-suited for side and back sleepers. They gently cradle the body while still providing enough support for all-night comfort.

Medium

Balanced comfort and support
Medium mattresses are the most popular choice and are very versatile, working well for side, back, and combination sleepers. They offer a mix of softness and firmness to accommodate a wide range of sleep positions.

Firm

Stable and supportive
Firm mattresses support proper spinal alignment, especially for back and stomach sleepers. With a more solid feel, they are ideal for those who prefer sleeping on top of the mattress or need added support.

20-Year Warranty 20-Year Warranty
Made in the USA Made in the USA
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20-Year Warranty 20-Year Warranty
Made in the USA Made in the USA
Free Shipping Free Shipping
20-Year Warranty 20-Year Warranty
Made in the USA Made in the USA
Free Shipping Free Shipping
20-Year Warranty 20-Year Warranty
Made in the USA Made in the USA
Free Shipping Free Shipping
20-Year Warranty 20-Year Warranty
Made in the USA Made in the USA
Free Shipping Free Shipping

Hybrid

Hybrids are great for sleepers who want a mix of support and pressure relief, or those who prefer a cooler mattress with the bounce of innersprings. This hybrid mattress offers enhanced support and responsiveness with deep conforming capabilities with its combination of cooling, pressure relieving memory foam and Coil Support System. The innovative Ice Flex Cooling Bands provide best-in-class cooling to ensure 12+ hours of advanced temperature regulation.

Quilted Hybrid

The most luxurious and upgraded design, featuring a hypersoft quilt foam Euro topper for added cushioning, pressure relief, and responsive surface feel. This bed also provides superior cooling benefits with its innovative Ice Flex Cooling Bands that provide over 12 hours of advanced temperature regulation. Premium foam layers and Coil Support System with Microcoils (Plush model only) provide the perfect balance of support and cushioning. This mattress is great for sleepers who enjoy a soft, luxury feel and added comfort layers but want the underlyng support of a firmer core.

All-Foam

This all-foam bed offers superior motion isolation and provides ultimate contouring for targeted pressure relief with its premium titanium-infused memory foam and supportive core. Great for sleepers who prefer a "hugging" sensation or those with joint pain who need high levels of pressure relief. The innovative Ice Flex Cooling Bands provide best-in-class cooling to ensure 12+ hours of advanced temperature regulation.

ADVANCED ICE FLEX TECHNOLOGY

Advanced mineral technology removes excess body heat to achieve a naturally comfortable temperature all night long.

SLEEK, COOLING COVER

Luxurious Cooltouch cover with premium upholstered border fabric for an elevated look. Cover on the Hybrid and All-Foam are removeable for easy cleaning and convenience.

BEST-IN-CLASS COOLING

Cooling technology for temperature regulation for 12+ hours of the ultimate in cooling comfort.

CERTIFICATIONS

SAFEGUARDING YOUR FAMILY

WHY DIAMOND MATTRESS

WHY DIAMOND MATTRESS

We are a family-owned business with nearly 80 years of experience, and have been dedicated to crafting high-quality mattresses since 1946. While others focus on advertising, Diamond prioritizes superior comfort, personalized support, and long-lasting durability. Our mattresses feature more consistent pocket coils, 25% denser foams, and in-house made covers for a perfect fit, all backed by a 20-year warranty—twice the industry standard. With a commitment to precision and quality, Diamond Mattress exceeds industry norms to ensure optimal sleep for every customer.

4C'S RATING SYSTEM

A diamond is the most precious stone and so too are Diamond Mattresses. We take pride insuring that all our mattresses are built to beat industry standards in the 4 most important factors of building a quality mattress. We have graded all our mattresses on a properly calculated scale for you to easily understand the differences and value of each model.

COMFORT

COMFORT

Comfort is a personal preference. Comfort of a mattress can vary from person to person based on size and weight distribution, along with sleeping position.

COOLING

COOLING

Lowering the body’s core temperature promotes a deeper, more rejuvenative sleep. Some mattresses are designed to be cooler throughout the night.

CONFORMANCE

CONFORMANCE

Core support in a mattress ensures proper spinal alignment and distributes body weight evenly, enhancing comfort and reducing pressure points for a restful sleep.

CORE SUPPORT

CORE SUPPORT

Core support in a mattress ensures proper spinal alignment and distributes body weight evenly, enhancing comfort and reducing pressure points for a restful sleep.

TRY DIAMOND RISK FREE

MATTRESS SIZE GUIDE

Find the correct mattress size to fit your needs.

Customer Reviews

Based on 30 reviews
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S
Severus S.
Flip flopping on the mattress

Was skeptical at first, but after the first night I was pleasantly surprised. I had cervical surgery recently and have had challenges sleeping on regular beds. I have not had any of the pain or issues I had before. Love the bed

C
Carl O.
This bed be cool

It's a great mattress and a superb sleep.

B
Benny V.
Me and my baby love this mattress

Trying to get a good night rest while being pregnant seems impossible. Was surprised the 1st night sleeping on this amazing mattress that I had woken up after sleeping all night. We purchased this mattress to replace a Sleep Number bed which leaked air, leaving us sleeping at an angle by morning. So far, we've been very pleased with the bed. It was very easy to set up and is about 11" tall. It's a bit stiff which I understand typically goes away with time but it hasn't been a problem.

D
Dexter A.
I'm skeptical

It is better than I thought it would be. Not too sure yet but I will keep sleeping on it and let everyone know how it goes. It seems like a pretty good bed so far.

S
Sandy T.
i'm poor but this was worth it

Now I sleep like a baby, best decision ever....

P
Patty H.
Stupid awesome bed

It's been two weeks and sleep is good!

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YOUR DIAMOND MATTRESS QUESTIONS, ANSWERED

The difference between quilted, hybrid, and all-foam mattresses lies in their construction and the sleep experience they provide. A quilted mattress features a plush euro top that offers a soft, cushiony feel while maintaining the support of a firmer core, making it ideal for side sleepers or those seeking pressure relief on sensitive areas like the hips and shoulders.

A hybrid mattress combines responsive innerspring coils with foam layers, providing a balance of firm support and soft cushioning, along with enhanced airflow for a cooler sleep surface. All-foam mattresses, on the other hand, offer a contouring, "hugging" sensation, with excellent motion isolation and targeted pressure relief, making them perfect for side sleepers or those with joint pain, as well as couples who need reduced motion transfer.

FLEX COOLING BANDSuse advanced mineral technology to regulate temperature, keeping you cool for 12+ hours. Flexible, sustainable, and durable, they adapt to your shape for all-night comfort.

No, Diamond mattresses are completely fiberglass-free. Our commitment to our customers' safety and comfort extends to every aspect of our production process, including our dedication to using clean, sustainable materials.

All our mattress foams are CertiPUR-US® certified, meaning they are made without harmful substances like ozone depleters, phthalates, mercury, lead, or other heavy metals and have low VOC emissions, ensuring a healthier sleep environment. Furthermore, our mattresses are GREENGUARD Gold certified, meeting the highest standards for healthy indoor air quality and promoting responsible manufacturing practices.

ou can use any base that works for you, as long as it has a solid top or slats no more than 4 inches apart. A stable, supportive frame is essential to prevent sagging and ensure the longevity of your mattress.

If you are ordering a mattress that is not delivered via white glove service, upon receiving your mattress, open the box, remove the rolled mattress, and carefully cut the outer wrapping to allow it to expand.

For optimal results, give it 24-72 hours to fully expand. To avoid damaging components and voiding the warranty, do not leave the mattress in the box for more than 4 months. We recommend that two adults handle the setup process, exercising caution while lifting, positioning, and unwrapping the mattress.

Sleep great now, pay over time! Multiple Financing Options Available at Great Rates.

We are ready to assist and guide you. Chat, call or email and we'll reply within 24 business hours.

Compatible with any type of bed frame, including box springs, platforms, slatted bases, and adjustable bases