Dreamstage
Ships out in 3 - 5 business 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 easy within the 120-night window, starting from the day your mattress arrives. Click here for trial terms.
Twin: 38" x 75"
Twin XL: 38" x 80"
Full: 54" x 74"
Queen: 60" x 80"
King: 76" x 80"
Cal King: 72" x 84"
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.
Need Mattress Setup and/or Removal?
A professional team will come to your home at a date and time that works for you to set up your new mattress, remove your old one, or both. Old mattresses are always disposed of using the most environmentally responsible methods available.
To add this service, [click here] to visit the mattress service product page, choose either Setup Only or Setup + Removal, add to cart, and complete checkout. Once your order is placed, you will receive an email to schedule your appointment.
California Customers: Mattress removal is free of charge by law for mattress orders placed directly through our website. To receive this service, please select the California removal option on the mattress service product page.
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.
WHAT EXPERTS SAY
“The Diamond Dreamstage mattress delivers outstanding pressure relief, excellent cooling, and exceptional motion isolation — all at an average price for a hybrid mattress, making it a great value for sleepers who want top-tier comfort without paying top dollar.”
Hybrid
Hybrids offer a balance of springy support and conformance. This mattress is 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. Graphene infused memory foam regulates temperature while absorbing pressure for a deep, restful night sleep. All supported by our dynamic edge coil system that uses reinforced coils around the perimeter to create a sturdier sitting and sleeping surface, preventing roll-off.
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 mattress is great for sleepers who enjoy a soft, luxury feel and added comfort layers but want the underlying support of a firmer core. Graphene infused memory foam regulates temperature while absorbing pressure for a deep, restful night sleep. All supported by our dynamic edge coil system that uses reinforced coils around the perimeter to create a sturdier sitting and sleeping surface, preventing roll-off.
Certifications
Safeguarding your family
Certified for a Healthy Home
All Diamond mattresses proudly carry GREENGUARD Gold certification, ensuring they meet strict health-based and environmental criteria for low chemical emissions.
TRY DIAMOND RISK FREE
3 EASY STEPS FOR SETUP
1. Unbox 2. Unroll 3. Expand
Our mattresses ship quickly from our US factory to your door, and easy setup means you'll be enjoying a restful night in no time.
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.
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
MATTRESS SIZE GUIDE
Find the correct mattress size to fit your needs.
FAQs
The Diamond Mattress 120-Night Trial and Return Guarantee ensures you have plenty of time to decide if your mattress is right for you. If you’re not satisfied within 120 nights of delivery, we offer a hassle-free return or exchange, with no restocking or return shipping fees.
Just reach out to our customer service team via contact page or chat. You must give your mattress a fair trial of 30-60 days for proper adjustment. Returns are only valid for the original owner, purchases made directly from Diamond Mattress and must include the original law tag.
Returned mattresses are not resold but donated, and once confirmed, you’ll receive a full refund. Each customer is eligible for one return per household. Returns or exchanges due to wear, stains, or misuse (like improper foundation or mold) are not accepted.
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.
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.
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