Diamond · Memory Foam
Dreamstage 2.0 Glory Firm Cool Gel Swirl Memory Foam Mattress - 12"
Firm gel memory foam mattress with a cooling cover and high-density foam support for body-contouring comfort with a firmer feel.
- Memory
Foam - Firm
- 20-year
warranty
- Firm feelA firmer take on gel swirl foam comfort.
- 12-inch profileThe complete mattress height to include in your bed setup.
- Cooling fabric and Hyper-Cool layerSurface fabric and a separate cooling layer designed to help manage warmth.
- Support constructionThe all-foam support system beneath the comfort layers; this version does not contain springs.
- Back and Stomach SleepersIdeal for sleepers who rest mainly on their back or stomach.
- Sleep coolCooling features help manage warmth at the sleep surface.
- Sharing a bedHelps limit the movement you feel when your partner turns or gets out of bed.
- Side sleepers · Not ideal
- Back sleepers · Great fit
- Stomach sleepers · Great fit
- Firm feel, as the manufacturer describes it
Low price guarantee
For an eligible identical mattress at an authorized retailer, we match the lower price and subtract another 10% of the difference. Submit your claim within 30 days of delivery. How our prices work
120-night comfort exchange
Comfort takes more than a quick test. If your new mattress doesn’t feel right after 30 nights, you can request one exchange for a mattress of the same bed size within 120 nights of delivery. There is no exchange fee; optional pickup and redelivery by our team is $100 total. Read the exchange terms
Sleep specialists at five showrooms
Stretch out, compare different feels, and find your kind of comfortable. Visit one of our five LA showrooms for hands-on mattress shopping and guidance from our team. Find a showroom
Make it your own
Optional extras
Add a foundation
Southerland Smokey Standard Profile Metal Box Spring Foundation - 9"
$249
Queen · Available to order
On display: Koreatown, West Los Angeles, La Brea, Studio CityView showrooms
Mattress + recycling fee: $1,117 · Before tax and delivery
Found the same mattress for less? How our prices work
Details
Product information
Product details
Enjoy contouring gel swirl memory foam with a firm feel and an all-foam support core. Best for sleepers who prefer less give than a plush foam mattress without adding the response of springs. This 12-inch mattress combines cooling fabric and a Hyper-Cool layer with gel swirl memory foam and high-density comfort foams. A high-density foam core supports the comfort layer without an underlying coil unit. Cooling fabric and Hyper-Cool materials are designed to help manage warmth at the sleep surface. Available in Twin, Twin XL, Full, Queen, King, and California King. Compare how the firm cushioning feels beneath your shoulders and hips, and include the full mattress depth when selecting bedding.
Who it’s best for
Firm feel, as the manufacturer describes it
Back and Stomach Sleepers
Ideal for sleepers who rest mainly on their back or stomach.
Sleep cool
Cooling features help manage warmth at the sleep surface.
Sharing a bed
Helps limit the movement you feel when your partner turns or gets out of bed.
Pressure relief
Pressure relief scores 7 out of 10 on our scale. LA Mattress editorial rating of documented construction, on a 1–10 scale. Not a manufacturer rating or laboratory measurement. Individual comfort and fit vary.
Support
Support scores 7 out of 10 on our scale. LA Mattress editorial rating of documented construction, on a 1–10 scale. Not a manufacturer rating or laboratory measurement. Individual comfort and fit vary.
Cooling
Cooling fabric and Hyper-Cool layer: Surface fabric and a separate cooling layer designed to help manage warmth. As listed on our product page. Also listed as a feature in our product catalog: Cooling function.
Motion separation
Motion isolation. Listed feature in our product catalog.
Specifications
| Layer | Type | Thickness |
|---|---|---|
| Cooling fabric and Hyper-Cool layer | Cover | Thickness not published |
| Gel swirl memory foam | Foam | Thickness not published |
| HD comfort foams | Foam | Thickness not published |
| High-density foam support core | Foam | Thickness not published |
Delivery & setup
White-glove delivery & setup
Free white-glove delivery and setup at $499+ of merchandise after discounts, $50 below that, within 50 miles of our Koreatown warehouse at 201 S Western Ave.
Same-day request
Same-day delivery can be requested before 4 p.m. Los Angeles time for $100.
Pickup at a showroom
Free pickup at all five Los Angeles showrooms.
Warranty
20-year limited warranty
Summary of Diamond Mattress’s published terms: Twenty-year limited warranty against covered manufacturing defects for matched models. The applicable law-tag code and warranty document control claim thresholds and remedies.
Comfort guide
Is firm right for you?
The manufacturer describes this mattress as firm, and rates it highest for back and stomach sleepers. Pick your position and body weight for a plain-language read.
Comfort is personal. Try it in a showroom.
Construction
What's inside. How it feels.
- Firm feelA firmer take on gel swirl foam comfort.
- 12-inch profileThe complete mattress height to include in your bed setup.
- Cooling fabric and Hyper-Cool layerSurface fabric and a separate cooling layer designed to help manage warmth.
Reviews
What customers say
Impressive Quality
The materials feel top-notch, and the mattress expanded quickly after delivery.
Compare
Compare before you decide
Your mattress
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FAQ
A few helpful answers
Can I try the Diamond Dreamstage 2.0 Glory Firm Cool Gel Swirl Memory Foam Mattress - 12" before I buy?
What if the Diamond Dreamstage 2.0 Glory Firm Cool Gel Swirl Memory Foam Mattress - 12" isn't comfortable?
Is delivery free on the Diamond Dreamstage 2.0 Glory Firm Cool Gel Swirl Memory Foam Mattress - 12"?
Do I need a foundation for the Diamond Dreamstage 2.0 Glory Firm Cool Gel Swirl Memory Foam Mattress - 12"?
What warranty does the Diamond Dreamstage 2.0 Glory Firm Cool Gel Swirl Memory Foam Mattress - 12" come with?
What are the dimensions of the Diamond Dreamstage 2.0 Glory Firm Cool Gel Swirl Memory Foam Mattress - 12"?
How do I care for the Diamond Dreamstage 2.0 Glory Firm Cool Gel Swirl Memory Foam Mattress - 12"?
Showrooms and community
Try the mattress. Take home a pillow.
Lie on it at any of our five Los Angeles showrooms with a sleep specialist, and join our email community for a welcome code: show it at any LA Mattress store location for one Brooklyn Bedding Shredded Foam Pillow, no purchase necessary, or use it within 20 days, online or in store, for 20% off your first order of $499 or more in merchandise and two free pillows total.
