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Compare Beautyrest Harmony Lux Carbon vs Helix Midnight vs Helix Twilight Luxe vs Intention Hybrid by Diamond Mattresses

Beautyrest Harmony Lux Carbon Mattress Beautyrest Harmony Lux Carbon

Helix Midnight Mattress Helix Midnight

Helix Twilight Luxe Mattress Helix Twilight Luxe

Intention Hybrid by Diamond Mattress Intention Hybrid by Diamond

Mattress Comparison
Brand Beautyrest Helix Sleep Helix Sleep Diamond Mattress
Mattress Type Hybrid (coils and foam) Hybrid (coils and foam) Hybrid (coils and foam) Hybrid (coils and foam)
Prices Twin $1,199 $1,099
[go to store]Twin XL $1,249 $1,149
[go to store]Full $1,319 $1,219
[go to store]Queen $1,399 $1,299
[go to store]King $1,899 $1,799
[go to store]Cal King $1,899 $1,799
[go to store] 		Twin $600 $500
[go to store]Twin XL $700 $600
[go to store]Full $850 $750
[go to store]Queen $999 $899
[go to store]King $1,349 $1,199
[go to store]Cal King $1,349 $1,199
[go to store] 		Twin $995 $895
[go to store]Twin XL $1,249 $1,149
[go to store]Full $1,549 $1,399
[go to store]Queen $1,849 $1,649
[go to store]King $2,249 $2,049
[go to store]Cal King $2,249 $2,049
[go to store] 		Twin $1,199 $999
[go to store]Twin XL $1,249 $1,049
[go to store]Full $1,299 $1,099
[go to store]Queen $1,399 $1,199
[go to store]King $1,799 $1,599
[go to store]Cal King $1,799 $1,599
[go to store]
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Latest Promotions

Spring Savings Event! Get up to $300 off mattresses. Ends March 29th

See offer

Spring Into Bed Sale! Get 2 Free Dream Pillows with mattress and $100 off with code SPRINGSALE100 (or get $150 or $200 off when you spend $1,250 or $1,750 with codes SPRINGSALE150 and SPRINGSALE200).

See offer

Spring Into Bed Sale! Get 2 Free Dream Pillows with mattress and $100 off with code SPRINGSALE100 (or get $150 or $200 off when you spend $1,250 or $1,750 with codes SPRINGSALE150 and SPRINGSALE200).

See offer

Get $200 off plus two free Diamond Adjustable Pillows with every mattress. Ends soon.

See offer

Trial & Warranty
Trial Period
Trial Period (nights) 100 100 100 120
Warranty Length (years) 10 10 15 20

Firmness Options
One Firmness Fits All?
Adjustable Firmness
Flippable / Reversible Firmness
Half-Half Firmness
Selectable Firmness
Firmness Info The Harmony Lux Carbon Series has 5 firmness options: Classic Top (available in Extra Firm, Medium and Plush) and Pillow Top (available in Medium and 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 $400 cost associated with the Plush Top options. Medium feel top of the bed you need - not too firm, not too soft. Our most common feel choice. Balanced support - best for side sleepers with thin to average body types. A 4-7 on the firmness scale. Firm feel top of the bed you need - no sink or give. Comfortable, yet solid under your body. A 8-9 on the firmness scale. Everyone has their ideal comfort level. That's why we've designed this comfort selector tool so that you know exactly what you're jumping into. Select from 3 firmness levels:
  • Soft, a 3/10 on the firmness scale, a light, gentle and flexible feel that conforms to your body.
  • Medium, a 5/10 on the firmness scale, the best of both worlds for an exceptionally comfy feel.
  • Firm, a 10/10 on the firmness scale, solid and stable support throughout your sleeping surface.

Mattress Construction
Materials Overview The Beautyrest Harmony Lux Carbon Series is a five layer design (prices and information based on the Medium Classic Top):
  • 0.5" Plush Comfort Foam
  • 1" Medium Comfort Foam
  • 1.5" Energy Foam
  • 0.5" Beautyrestยฎ Gel Memory Foam
  • T2 Pocketed Coilยฎ Technology with BeautyEdgeยฎ.
The Extra Firm Classic Top is available at a cheaper price. 		The Midnight offers balanced support and a medium feel, it has four layers of construction:
  • Cover: Helix Two Touch Design
  • Comfort Layer: Memory Plus Foam (Density: 2.5 PCF)
  • Transition Layer: High-Grade Polyfoam
  • Body Shape Layer: 6" Wrapped Coils
  • Base Layer: DuraDense Foam.
 The Twilight Luxe offers side sleeper relief, balanced support and a firm feel, it has four layers of construction and is 14 inches high:
  • Cover: Ultra-Cool Premium Pillow Top
  • Comfort Layer: Gel Visco Foam (Density: 2.5 PCF)
  • Support Layer: 2" Memory Plus Foam (Higher IFD)
  • Transition Layer: High-Grade Polyfoam (Higher IFD)
  • Zoned Body Shape Layer: 8" 1,000+ Wrapped Coils
  • Base Layer: DuraDense Foam.
 The Intention Mattress by Diamond Mattress is constructed of:
  • 1.5" CoolTouch Temperature Regulating Fabric & Luxury Quilt
  • 1.5" Diamond Hyper Conductive Sparkle Foam
  • 2" HD Comfort Layers
  • Patented Zoned Support System - Foam Encased.
Comfort Info Featuring our RightTempย™ Wave Foam, our Harmony Luxย™ Carbon Series sleeps cool and comfortable all night. The LUXE comes with an Ultra-Cool Cover and a Premium Quilted Pillow Top. This provides advanced comfort and that hotel top layer feel you love, with a smooth touch for next level sleep bliss. LUXE mattresses feature additional comfort layers and are 14" tall (4" taller). Foam Encased Comfort Edge: Increases usable sleep surface by allowing you to sleep all the way to the edge without feeling like falling off. Creates a better edge for entering, exiting and sitting on the side of the mattress.
Support Info Beautyrestยฎ Harmony Luxย™ Carbon 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.
BeautyEdgeยฎ for reliable edge support. 		Specially designed using a Memory Plus Foam pressure relief layer to cushion your pressure points as a side sleeper.
Density of the top and middle layers optimized to give you the right amount of support based on your body type. 		All the support features of the Helix Twilight mattress, combined with Zoned Lumbar Support Coils. Zoning technology to provide a softer feel under your shoulders and firmer under your hips to help cradle your body and align your spine. Featuring best in class edge support. Combination Foam and Coils: Superior Pressure Relief. Contours to your natural shape to help achieve a comfortable sleeping posture. Hyper conductive foam regulates core temperatures for a natural sleep. Coils provide breathability and additional comfort and support.
Comfort Specs Consistently cool and comfortable
InfiniCoolย™ Lux is a system of layers in the cover and right below the cover that are cool-to-the-touch. 		Uniquely pressure relieving, we use Memory Plus Foam - a special Helix blend. Premium quilted top for extra comfort and our Ultra-Cool Cover featuring phase change material to absorb and regulate excess heat.
Top of the line pressure relieving, we use high density Gel Visco for best in class comfort. 		Diamond Sparkle Foam actively regulates your core temperature for the most natural sleeping environment. Graphene and conductive flakes dissipate heat from the surface of the skin.
Support Specs Our Precision Support Systemย™ powered by T2 Pocketed Coilย™ Technology provides additional support where you need it most.
Beautyrestยฎ Gel Memory Foam and RightTempย™ Wave Foam work together to create incredible pressure relief. 		High-Grade Polyfoam
Providing ergonomic support and cushioning, the transition layer has a medium IFD to match your body type.
Wrapped Coils
Hundreds of individual coils help to cradle your body while also limiting motion transfer.
Edge Support
Each mattress has an individually wrapped spring unit with a reinforced perimeter. This means your mattress will reduce that roll-off feeling and will keep its shape more while sitting on the edge of the bed. Our technology is proven to be substantially better than all foam options. 		Memory Plus foam designed to cushion and support your body.
High-Grade polyfoam Providing ergonomic support and contour, the transition layer allows for seamless progression of your body weight into the mattress.
Zoned Wrapped Coils give a softer feel under your shoulders and firmer under your hips to help cradle your body, align your spine, and provide advanced lumbar and edge support. 		Patented Zoned Support System: Adding 25% more support where you need it most
  1. Additional Wrapped coils in the center 3rd provided extra back support where you need it.
  2. Improves alignment by relieving pressure along the shoulders, back and hips
  3. Prevents motion transferred between partners for less disturbance
Diamond Sparkle Foam provides superior pressure relief for sound sleep.
Fabric Specs Seaqualย™ Fabric Technology utilizes recovered plastics from the ocean to create a durable and luxurious fabric. Helix Two Touch Design
Each mattress comes with a top cover layer with stretch and a soft touch as well as a lower cover layer for airflow and breathability. Top cover - 100% soft polyester. Lower cover - Jersey knit fabric with woven fire barrier.
Upgrade to ultra cool knit cover for cooler nights (available at checkout). This Ultra-Cool Cover is designed using phase change material to keep your body cool when you sleep. Simply zip on the Ultra-Cool Cover in place of your standard cover for quick and easy use. 		Ultra-Cool Cover
Each LUXE mattress cover features Helix Cool Sleep Technology with phase change material to absorb and release heat to maintain a regulated temperature. 		CoolTouch Temperature Regulating Fabric:
  • Actively moves excess heat away from the skin where it can dissipate to maintain a comfortable sleeping environment
  • Special conductive yarns allow heat to move through the fabric while wicking moisture away from the body sleeping environment
  • Luxury stretch knit design contours to your body relieving pressure and enhancing conformability and pressure relief.

Suitability
Side Sleepers
Back Sleepers

Size & Weight
Twin
Twin Dimensions 38" x 75" x 13" 39" x 75" x 12" 39" x 75" x 14" 39" x 75" x 14"
Twin Weight (lb) 57 53
Twin XL
Twin XL Dimensions 38" x 80" x 13" 39" x 80" x 12" 39" x 80" x 14" 39" x 80" x 14"
Twin XL Weight (lb) 59 58
Full (Double)
Full Dimensions 53" x 75" x 13" 54" x 75" x 12" 54" x 75" x 14" 54" x 75" x 14"
Full Weight (lb) 78 67
Queen
Queen Dimensions 60" x 80" x 13" 60" x 80" x 12" 60" x 80" x 14" 60" x 80" x 14"
Queen Weight (lb) 99 80
King
King Dimensions 76" x 80" x 13" 76" x 80" x 12" 76" x 80" x 14" 76" x 80" x 14"
King Weight (lb) 129 100
California King
California King Dimensions 72" x 84" x 13" 72" x 84" x 12" 72" x 84" x 14" 72" x 84" x 14"
California King Weight (lb) 134 100

Brand
Manufactured in
(Mattresses)		 United States United States United States United States
Number of other mattresses 3 12 12 3
Other mattresses
(Queen prices shown)		 Beautyrest Black $2,299 $2,099
13" Hybrid (coils and foam)
Beautyrest Black Hybrid $2,199 $1,999
13.5" Hybrid (coils and foam)
Beautyrest Harmony Lux Diamond $1,799
14.75" Hybrid (coils and foam) 		Helix Sunset $999 $899
12" Hybrid (coils and foam)
Helix Moonlight $999 $899
12" Hybrid (coils and foam)
Helix Dusk $999 $899
12" Hybrid (coils and foam)
Helix Twilight $999 $899
12" Hybrid (coils and foam)
Helix Dawn $999 $899
12" Hybrid (coils and foam)
Helix Sunset Luxe $1,849 $1,649
14" Hybrid (coils and foam)
Helix Moonlight Luxe $1,849 $1,649
14" Hybrid (coils and foam)
Helix Midnight Luxe $1,849 $1,649
14" Hybrid (coils and foam)
Helix Dusk Luxe $1,849 $1,649
14" Hybrid (coils and foam)
Helix Twilight Luxe
Helix Dawn Luxe $1,849 $1,649
14" Hybrid (coils and foam)
Helix Plus $1,599 $1,449
13" Hybrid (coils and foam) 		Helix Sunset $999 $899
12" Hybrid (coils and foam)
Helix Moonlight $999 $899
12" Hybrid (coils and foam)
Helix Midnight $999 $899
12" Hybrid (coils and foam)
Helix Dusk $999 $899
12" Hybrid (coils and foam)
Helix Twilight $999 $899
12" Hybrid (coils and foam)
Helix Dawn $999 $899
12" Hybrid (coils and foam)
Helix Sunset Luxe $1,849 $1,649
14" Hybrid (coils and foam)
Helix Moonlight Luxe $1,849 $1,649
14" Hybrid (coils and foam)
Helix Midnight Luxe $1,849 $1,649
14" Hybrid (coils and foam)
Helix Dusk Luxe $1,849 $1,649
14" Hybrid (coils and foam)
Helix Twilight Luxe
Helix Dawn Luxe $1,849 $1,649
14" Hybrid (coils and foam)
Helix Plus $1,599 $1,449
13" Hybrid (coils and foam) 		Grateful Hybrid $1,199 $999
12" Hybrid (coils and foam)
Faith Hybrid $1,699 $1,499
14" Hybrid (coils and foam)
Transformation Hybrid $1,899 $1,699
14" Hybrid (coils and foam)
Sister sites or brands Serta
Tuft & Needle 		Birch Living Birch Living
Sister mattresses
(Search by name to add to compare)		 Serta Luxe $449
11.5" Hybrid (coils and foam)
Serta iComfort $1,299 $1,099
10" Memory foam
Serta iComfort Hybrid $1,299 $1,099
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
10" Polyurethane foam
Tuft & Needle Mint $1,095
12" Polyurethane foam
Tuft & Needle Hybrid $1,595
12" Hybrid (coils and foam) 		Birch by Helix $1,499 $1,299
11" Hybrid (coils and latex) 		Birch by Helix $1,499 $1,299
11" Hybrid (coils and latex)
Quick links Visit Serta Visit Tuft & Needle Visit Birch Living Visit Birch Living

Certifications & Sustainability
CertiPUR-USยฎ
CertiPur-US logo
CertiPur-US logo
CertiPur-US logo
CertiPur-US logo
OEKO-TEXยฎ
OEKO-TEX logo
OEKO-TEX logo
Global Organic Textile Standard (GOTS)
Global Organic Latex Standard (GOLS)
N/A
N/A
N/A
N/A
USDA Organic
GREENGUARD Gold
Eco-INSTITUT
MADE SAFEยฎ
Rainforest Alliance Certifiedโ„ข
Forest Stewardship Councilยฎ
Certification Info

Delivery
Delivery Cost FREE FREE FREE 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.

Your Helix Mattress is gently compressed, rolled, and put in a box that's about the size of a bag of golf clubs for easy shipping! Packaging dimensions are 16" x 16" x 48", and we ship via UPS Ground direct from the manufacture to your door.

Your Helix Mattress is gently compressed, rolled, and put in a box that's about the size of a bag of golf clubs for easy shipping! We ship via UPS Ground direct from the manufacture to your door.

Our premium mattresses are quickly delivered directly to your door, so you can unbox and unwind as fast as you can say Bed-in-a-Box.
Current Promotions

Spring Savings Event! Get up to $300 off mattresses. Ends March 29th

See offer

Spring Into Bed Sale! Get 2 Free Dream Pillows with mattress and $100 off with code SPRINGSALE100 (or get $150 or $200 off when you spend $1,250 or $1,750 with codes SPRINGSALE150 and SPRINGSALE200).

See offer

Spring Into Bed Sale! Get 2 Free Dream Pillows with mattress and $100 off with code SPRINGSALE100 (or get $150 or $200 off when you spend $1,250 or $1,750 with codes SPRINGSALE150 and SPRINGSALE200).

See offer

Get $200 off plus two free Diamond Adjustable Pillows with every mattress. Ends soon.

See offer
PricesTwin $1,199 $1,099
[go to store]Twin XL $1,249 $1,149
[go to store]Full $1,319 $1,219
[go to store]Queen $1,399 $1,299
[go to store]King $1,899 $1,799
[go to store]Cal King $1,899 $1,799
[go to store]		Twin $600 $500
[go to store]Twin XL $700 $600
[go to store]Full $850 $750
[go to store]Queen $999 $899
[go to store]King $1,349 $1,199
[go to store]Cal King $1,349 $1,199
[go to store]		Twin $995 $895
[go to store]Twin XL $1,249 $1,149
[go to store]Full $1,549 $1,399
[go to store]Queen $1,849 $1,649
[go to store]King $2,249 $2,049
[go to store]Cal King $2,249 $2,049
[go to store]		Twin $1,199 $999
[go to store]Twin XL $1,249 $1,049
[go to store]Full $1,299 $1,099
[go to store]Queen $1,399 $1,199
[go to store]King $1,799 $1,599
[go to store]Cal King $1,799 $1,599
[go to store]

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