- Sleep cooler through the night with DualCool Technology
- Feel supported with 900 Series Pocketed Coils
- Consistent comfort with the BeautyEdge Foam Encased Edge
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Jan. 24th Jan. 26th
Use our pressure test result to see if this is the right mattress for you!
The Beautyrest Harmony Lux Diamond Medium features some of the best materials being used in mattresses today. If you're looking for top level performance, innovative materials, and like a firmer feel, this may be perfect for you.
RightTemp Wave Foam and Micro Diamond Memory Foam provide outstanding pressure relief to help reduce tossing and turning while actively working to provide a cooler night's sleep. RightTemp Wave Foam uses carbon fiber to pull heat away from the surface, and Micro Diamond Memory Foam features diamond particles that act as a heat sink to continue to dissipate excess heat, so you sleep cool and comfortable.The Latest In Premium Support Systems
The T2 Pocketed Coil Technology system uses hundreds of individually pocketed coils that conform to the unique shape of your body, resulting in gentle, yet solid support. This system features a T2 coil in the center 3rd. Made from two coils woven together, it provides extra support and durability to the lower back where you need it most. It's solid, durable, and adjustable base friendly.Socially Responsible Quilt
The premium InfiniCool Lux quilt looks fantastic, and has a soft to the touch feel. More importantly, it's made in partnership with Seaqual, a company that reclaims ocean plastics and transforms them into soft and comfortable quilts. Every queen size Harmony Lux mattress has the equivalent of 50 plastic bottles, which helps contribute to a cleaner tomorrow.Edge to Edge Comfort
Feel free to sleep anywhere on the mattress, without experiencing a big difference in comfort or support, thanks to the Beautyedge Foam Encasement. This feature is especially nice when you share a queen size mattress because you won't feel like you're battling your partner for the middle, where comfort is consistent.Premium 10 Year Warranty
With a 10 year non-prorated warranty, this mattress is made to provide comfort and support well into the next decade.Is the Diamond Medium Right For You?
The Diamond Medium is a fantastic choice if you're looking for one of the best mattresses in the higher end tier being made today. From the quilt to the coil system, this mattress is made using some of the best materials Beautyrest has available. If you like a firmer feel, go for it, this mattress won't disappoint.
|Cal King||14.75"||72"||84"||141.89 lbs.|
|Twin XL||14.75"||38"||80"||66.29 lbs.|
Your mattress purchase is fully compatible with all modern support systems, including adjustable base, platform bed, box spring/foundation, even the floor!
We test and measure body pressure on each mattress using sophisticated technology. We then provide you a personal recommendation.Learn More »
Stay tuned for another helpful analysis of how this bed feels. We provide all kinds of media to help you pick the best mattress.
|Delivery Options & Timing:|
Leave the heavy lifting to us with our white glove service!
You'll be contacted by our carrier to schedule delivery. Someone must be home to accept delivery. Weekend and evening deliveries may be available for a nominal fee. Call us at 1-800-455-1052 for availability and pricing. Please note that furniture and bedding deliver separately from your mattress order.
*Please check your zip code delivery estimate on individual mattress model pages for a proper estimate. Remote locations can experience longer lead times.