Experience unparalleled luxury and comfort with the Black Diamond Hybrid Mattress, designed for a restful night’s sleep. The CoolStream Ultra Cool Touch 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:
- CoolStream Ultra Cool Touch 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
20-Year Warranty
Made in the USA
Free Shipping
Lux 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.
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.
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.
Safeguarding your family
CERTIFICATIONS
GREENGUARD
ECO INSTITUT
OEKO TEX
REPREVE
CERTIPUR-US
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.
Sleep great now, pay over time! Multiple Financing Options Available at Great Rates.
97%
of reviewers would recommend this product to a friend
64 Reviews
T
TammyReviewed by Tammy
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted
Love My New Bed
I have slept 1 night on my new bed. I slept great. So glad I bought this bed. It was a hard choice to what brand to buy. I would buy this bed again. I would highly recommend. It bought the plush version. I wanted a little soft. It is great. Medium would of been to hard for me.
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Katherine R. H.Reviewed by Katherine R. H., from United States
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted
Happy in every way
I was a bit skeptical about ordering a hybrid mattress by mail, but I am so happy I did. Ordering was easy, shipping was prompt, the mattress inflated quickly, and it provides a marvelously comfortable night's sleep. I ordered the firm because my back needs a lot of support. I would recommend this mattress to anyone. One caveat--as a reasonable fit middle-aged woman, I managed it alone, but it is heavy, and would be much easier to set up with two people. The handles on the box top and on the mattress helped a great deal.
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Traci O.Reviewed by Traci O., from United States
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted
30 year Diamond Mattress Customer
I have had only used Diamond Mattresses for the last 30 Year’s and I have not been disappointed once. They continue to deliver a great product. I am glad they are still around.
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AndrewReviewed by Andrew, from United States
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted
Surprised!
The comfort is what I expected, but the cooling is not what I expected. I sleep hot and I noticed after a few nights that I was not getting as hot when staying in one position for a long time. I feel a bit more rested when I get up in the morning, possibly because I'm not tossing and turning as much.
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MS
Matthew S.Reviewed by Matthew S., from United States
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted
Surprised!
The comfort is what I expected, but the cooling is not what I expected. I sleep hot and I noticed after a few nights that I was not getting as hot when staying in one position for a long time. I feel a bit more rested when I get up in the morning, possibly because I'm not tossing and turning as much.
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FAQs
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.
ICE FLEX COOLING BANDS use 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.
You 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.
Black Diamond Mattress
Regular price
$2,368
Sale price
$2,368
Regular price
$3,383
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The Manufacturer’s Suggested Retail Price (SRP) is reflected by the crossed-out or reference price, but it may not represent any actual or future prices at which we or other retailers have offered or will offer the Product. This means the strike-through price may not be the current market price, the regular retail price, or a past sale price. Furthermore, Products could be offered at the same or lower prices during future promotional events that start after any advertised promotion ends. Our primary goal is to provide you with the most competitive prices. See Details