Simmons® Beautyrest® Harmony Lux™ Diamond Series Wrapped Coil Pillow Top Plush Full Mattress

Model #: 800915899-1030
Product Code:
At a Glance
Beautyrest® Harmony Lux™ Diamond Series features our latest innovations in support, comfort, and cooling that work together in harmony for a better night’s sleep. Its new and innovative coil design and support system, advanced pressure-relieving foams, uniquely engineered cooling technologies, and exclusive sustainable fabric technology makes this collection the ultimate choice in premium bedding.
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$2,999.00Save $750.00

Get to know this product.

Featuring our Micro Diamond™ Memory Foam, the Diamond Series is designed to conduct heat away from your body and keep you cool all night long.


  • Seaqual™ Sustainable Fabric

Comfort Layers

  • InfiniCool™ Lux
  • SurfaceTouch™ Gel Memory Foam
  • RightTemp™ Wave Foam
  • GelTouch® Foam
  • Beautyrest® Gel Foam
  • Micro Diamond™ Memory Foam
  • Beautyrest® Comfort Foam

Support System

  • Powered by T2 Wrapped Coil™ Technology

Exclusive Support

Our Precision Support System™ powered by T2 Wrapped Coil™ Technology provides additional support where you need it most.

Sustainable and Cool Sleeping

InfiniCool™ Lux provides a cool sleep environment and Seaqual™ Fabric Technology utilizes recovered plastics from the ocean to create a durable and luxurious fabric.

Pressure Relieving Comfort

SurfaceTouch™ Gel Memory Foam, Dynamic Response™ Memory Foam, and Micro Diamond™ Memory Foam work together to deliver incredible pressure relief.


We use only CertiPUR-US® certified foams in all of our products, which means our foams are made without formaldehyde, flame retardants, prohibited phthalates, and heavy metals, as well as meet low-VOC standards for indoor air quality.

Frame Compatibility

Your new Beautyrest® mattress will work with most frames, foundations, and adjustable bases. Your mattress needs a box spring, or other solid surface, or the frame should have included slats that are no more than 2 inches apart from one another.

*Mattress only, all other products sold separately. Images may not depict actual size.


Misc. Specs

Height (in.)17.25
Made InCanada
Mattress SizeFull
Double Sided MattressNo
Manufacturer Warranty10 Year
Age GroupAdult
Mattress Comfort LevelPlush
CollectionBeautyrest® Harmony Lux™ Diamond Series
Height (cm)43.82
Mattress TopPillow Top
Mattress ConstructionWrapped Coil