- Sleep cooler through the night with DualCool Technology
- Feel supported with 900 Series Pocketed Coils
- Consistent comfort with the BeautyEdge Foam Encased Edge
Customer Appreciation Sale!
Sale Ends January 24th
Use our pressure test result to see if this is the right mattress for you!
The Beautyrest Harmony Lux Diamond Medium uses only the best of materials available today. If you want top notch performance, innovative materials, and enjoy a firmer comfort, this could be the perfect mattress for you.
RightTemp Wave Foam and Micro Diamond Memory Foam provide exceptional pressure relief and they have cooling qualities. RightTemp Wave Foam is made with carbon fiber, so it draws heat away from your body and Micro Diamond Memory Foam features diamond particles that act as a heat sink to further dissipate heat, leaving you with a cool night of sleep.Newly Developed Premium Support System
The T2 Pocketed Coil Technology features hundreds of wrapped coils that conform your body shape, providing forgiving but solid support. Featured in the center 3rd (to add support for the lower back), the T2 coil is made of two coils twisted together. This system is very durable, provides good support, and is adjustable base friendly.Eco-Conscious Quilt Reduces Ocean Plastics
The InfiniCool Lux quilt is made in partnership with Seaqual, a company that makes high end fabrics by transforming plastics they've recovered from the ocean. The quilt is soft to the touch and looks beautiful, and its use on every Harmony Lux model helps contribute to a cleaner world.Consistent Comfort Across Mattress
The BeautyEdge Foam Encasement makes this mattress comfortable and supportive to sleep on all the way to the edge. It minimizes that roll-off feeling, and creates a sturdier sitting edge.10 Year Warranty Tells of Durability
With a non-prorated warranty that lasts 10 years, you know the Diamond Medium will be comfortable and supportive for just as long.Is the Diamond Medium Your Match?
The Diamond Medium is an excellent choice if you want one of the best mattresses out of the higher end of mattresses being made currently. From the coil system to the quilt, each component is made with Beautyrest's best materials. If you like a firm comfort, you'll love this mattress.
|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.