Beautyrest Harmony Lux Diamond Mattress

Mattress Comparison

Brand Beautyrest
Mattress Type Hybrid (coils and foam)
Prices Twin $1,699
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Twin XL $1,749
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Full $1,819
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Queen $1,899
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King $2,399
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Cal King $2,399
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Latest Promotions

No current promotions but check their website.

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Trial & Warranty

Trial Period
Trial Period (nights) 100
Warranty Length (years) 10

Firmness Options

One Firmness Fits All?
Adjustable Firmness
Flippable / Reversible Firmness
Half-Half Firmness
Selectable Firmness
Firmness Info The Harmony Lux Diamond Series has 4 firmness options: Classic Top (available in Medium and Plush) and Pillow Top (available in Medium and Ultra Plush). The Classic Top is a firmer top for traditional support, the Plush Top is a plush, soft top for extra comfort. There is an extra $300 cost associated with the Plush Top options.

Mattress Construction

Materials Overview The Beautyrest Harmony Lux Diamond Series is a six layer design (prices and information based on the Medium Classic Top):
  • InfiniCool┬Ö Lux
  • SurfaceTouch┬Ö Gel Memory Foam
  • RightTemp┬Ö Wave Foam
  • Firm Comfort Foam
  • Micro Diamond┬Ö Memory Foam
  • MediuM Comfort Foam
  • T2 Pocketed Coil┬« Technology.
Comfort Info 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.
Support Info 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.
Comfort Specs Consistently cool and comfortable
InfiniCool™ Lux is a system of layers in the cover and right below the cover that are cool-to-the-touch.
Support Specs Our Precision Support System™ powered by T2 Pocketed Coil™ Technology provides additional support where you need it most.
SurfaceTouch™ Gel Memory Foam, Dynamic Response™ Memory Foam, and Micro Diamond™ Memory Foam work together to deliver incredible pressure relief.
Fabric Specs Seaqual™ Fabric Technology utilizes recovered plastics from the ocean to create a durable and luxurious fabric.


Side Sleepers
Back Sleepers

Size & Weight

Twin Dimensions 38" x 75" x 14.75"
Twin Weight (lb) 62
Twin XL
Twin XL Dimensions 38" x 80" x 14.75"
Twin XL Weight (lb) 66
Full (Double)
Full Dimensions 53" x 75" x 14.75"
Full Weight (lb) 87
Queen Dimensions 60" x 80" x 14.75"
Queen Weight (lb) 111
King Dimensions 76" x 80" x 14.75"
King Weight (lb) 135
California King
California King Dimensions 72" x 84" x 14.75"
California King Weight (lb) 142


Manufactured in
United States
Number of other mattresses 3
Other mattresses
(Queen prices shown)
Beautyrest Black $2,499
13" Hybrid (coils and foam)
Beautyrest Black Hybrid $2,399
13.5" Hybrid (coils and foam)
Beautyrest Harmony Lux Carbon $1,499
13" Hybrid (coils and foam)
Sister sites or brands Serta
Tuft & Needle
Sister mattresses
(Search by name to add to compare)
Serta Luxe $449
11.5" Hybrid (coils and foam)
Serta iComfort $1,399
10" Memory foam
Serta iComfort Hybrid $1,399
12" Hybrid (coils and foam)
Tuft & Needle Nod $395
8" Polyurethane foam
Tuft & Needle Nod Hybrid $675
10" Hybrid (coils and foam)
Tuft & Needle Original $695 $591
10" Polyurethane foam
Tuft & Needle Mint $1,095 $931
12" Polyurethane foam
Tuft & Needle Hybrid $1,595 $1,356
12" Hybrid (coils and foam)

Certifications & Sustainability

CertiPur-US logo
Global Organic Textile Standard (GOTS)
Global Organic Latex Standard (GOLS)
USDA Organic
Rainforest Alliance CertifiedÔäó
Forest Stewardship Council®
Certification Info


Delivery Cost FREE
Delivery Info

Conveniently delivered using our complimentary White Glove Delivery experience. After checkout, you'll be contacted by our shipping partner to select a delivery day that works best for your schedule. The day of your delivery, you'll get a call confirming your delivery window. Upon delivery, they will set up your new mattress and remove your old mattress and any packaging for that mattress.

Current Promotions

No current promotions but check their website.

See website
PricesTwin $1,699
[go to store]
Twin XL $1,749
[go to store]
Full $1,819
[go to store]
Queen $1,899
[go to store]
King $2,399
[go to store]
Cal King $2,399
[go to store]

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