Compare Beautyrest Harmony Lux Diamond vs Helix Sunset Luxe vs Serta iComfort vs Yaasa Mattresses

Mattress Comparison

Brand Beautyrest Helix Sleep Serta Yaasa Studios
Mattress Type Hybrid (coils and foam) Hybrid (coils and foam) Memory foam Hybrid (coils and foam)
Prices Twin $1,699 $1,499
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Twin XL $1,749 $1,549
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Full $1,819 $1,619
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Queen $1,899 $1,699
[go to store]
King $2,399 $2,199
[go to store]
Cal King $2,399 $2,199
[go to store]
Twin $1,099 $999
[go to store]
Twin XL $1,349 $1,199
[go to store]
Full $1,649 $1,499
[go to store]
Queen $1,949 $1,749
[go to store]
King $2,349 $2,149
[go to store]
Cal King $2,349 $2,149
[go to store]
Twin $909 $709
[go to store]
Twin XL $999 $799
[go to store]
Full $1,219 $1,019
[go to store]
Queen $1,399 $1,199
[go to store]
King $1,899 $1,699
[go to store]
Cal King $1,899 $1,699
[go to store]
Twin $899
[go to store]
Twin XL $949
[go to store]
Full $1,099
[go to store]
Queen $1,299
[go to store]
King $1,499
[go to store]
Cal King $1,499
[go to store]
Video
Latest Promotions

Memorial Day Sale! Get up to $300 off Beautyrest mattresses. Ends June 7th

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Memorial Day Sale! Get 2 Free Dream Pillows with mattress and $100 off with code MEMORIALDAY100 (or get $150 or $200 off when you spend $1,250 or $1,750 with codes MEMORIALDAY150 and MEMORIALDAY200).

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Memorial Day Sale! Get $200 off the iComfort mattress and up to $600 off the Serta Motion Perfect Base. Ends June 7th

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No current promotions but check their website.

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Trial & Warranty

Trial Period
Trial Period (nights) 100 100 120 100
Warranty Length (years) 10 15 10 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. Softer top of the bed to give you that plush comfort you love. Like sinking into a cloud. A 2-3 on the firmness scale. The base model (CF1000) is a medium comfort. Choose the cooling upgrade (CF2000) model if you prefer a firm feel. Both the Max Cooling Upgrade (CF3000) and Max Cooling & Pressure Relief Upgrades (CF4000) offer a selection of feels - medium, plush, ultra plush and firm, plush, ultra plush. If you already know that you love a soft or firm mattress then follow your heart. However, if you are unsure you can follow this quick guide to make a selection:
1. Back Sleepers and Stomach Sleepers should choose the Firm Mattress
2. Side Sleepers and 'Free Style' Sleepers should choose the Soft Mattress
3. If either you or your partner is heavier than 220 lbs, the Firm Mattress may be the option for you.
4. If you are lighter than 130 lbs, the Soft Mattress may be the option for you.

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.
The Sunset Luxe offers side sleeper relief, balanced support and a plush feel, it has five 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 (Lower IFD)
  • Transition Layer: High-Grade Polyfoam (Lower IFD)
  • Zoned Body Shape Layer: 8" 1,000+ Wrapped Coils
  • Base Layer: DuraDense Foam.
With the iComfort by Serta® mattress, cool, supportive sleep is the priority. The base model (CF1000) has these layers:
  • Carbon Fiber Memory Foam
  • EverCool┬« Fuze Gel Foam.
Three upgrades are available at additional cost.
Whether you prefer a firm or a softer experience, our hybrid mattresses play with varying layers of foam, natural latex and our pocket coil system.
Firm:
  • 1" Cooling Infinity Foam
  • 2" Responsive Natural Latex
  • 8" Edge-to-Edge Coil System
  • 1" High Density Support Foam
Soft:
  • 2" Cooling Infinity Foam
  • 1" Hybrid Transition Foam
  • 8" Edge-to-Edge Coil System
  • 1" High Density Support Foam.
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. 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). Specifically designed mattress to keep even the warmest of sleepers cool. You don't have to be a hot sleeper to love iComfort. You just have to like your sleep environment to be refreshingly comfy. Three cooling upgrades available:
  • Cooling Upgrade (CF2000): 11.5" Additional cooling and firmer support.
  • Max Cooling Upgrade (CF3000): 12.5" Cooler and more breathable.
  • Max Cooling & Pressure Relief Upgrade (CF4000): 13.5" Feels and sleeps cooler, with air support layer to take pressure off joints.
With reduced motion transfer, you and your partner can experience an uninterrupted night's sleep for your perfect sleepy sanctuary.
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. All the support features of the Helix Sunset 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. Multi-layered foam technology adds support, resilience, and temperature regulation for the coolest, most comfortable sleep ever. The various blend of ingredients deliver the perfect amount of body contouring and pressure relief with extra soothing support. The Infinity Foam top layer is our unique material that prevents heat retention for a cooler night's sleep, and gives the perfect balance of support, contouring, and pressure relief in all the right places. This is our finishing touch to give you an unparalleled indulgent experience.
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.
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.
Every iComfort mattress is made with our exclusive Carbon Fiber Memory Foam. This system channels heat away from your body.
Gel Active® Max Foam (used only in CF2000 model) is an open celled memory foam helps promote airflow, so you don't have that hot, stuffy feeling when falling asleep.
UltraCold System™ (used in the CF3000 and CF4000 models) The layer of extra-cool Carbon Fiber Memory Foam is engineered to work hard at absorbing excess heat from your body, then channel it away, all while you sleep comfortably.
Our unique foam construction provides contoured support & breathability for the coolest night's sleep.
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.
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.
Carbon Fiber Memory Foam provides exceptional strength for back and neck support.
Air Support™ Foam (used only in CF4000 model) moves with your body and contours around it to help alleviate aches and pains caused by pressure points.
Our edge-to-edge pocket coil system was created to provide superior edge support. Each coil is individually wrapped so it can compress and expand independently, providing you with pressure relief where you need it most. The coils are positioned between layers of foam to allow you to feel like you're floating on air.
Fabric Specs Seaqual™ Fabric Technology utilizes recovered plastics from the ocean to create a durable and luxurious fabric. 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.
A Max Cold™ Cover is used in the CF3000 and CF4000 models. Made from super cool high-performance fibers for an instant cool-to-the-touch sensation.

Suitability

Side Sleepers
Back Sleepers

Size & Weight

Twin
Twin Dimensions 38" x 75" x 14.75" 39" x 75" x 14" 38" x 74.5" x 10" 39" x 75" x 12"
Twin Weight (lb) 62
Twin XL
Twin XL Dimensions 38" x 80" x 14.75" 39" x 80" x 14" 38" x 79.5" x 10" 39" x 80" x 12"
Twin XL Weight (lb) 66
Full (Double)
Full Dimensions 53" x 75" x 14.75" 54" x 75" x 14" 53" x 74.5" x 10" 54" x 75" x 12"
Full Weight (lb) 87
Queen
Queen Dimensions 60" x 80" x 14.75" 60" x 80" x 14" 60" x 79.5" x 10" 60" x 80" x 12"
Queen Weight (lb) 111
King
King Dimensions 76" x 80" x 14.75" 76" x 80" x 14" 76" x 79.5" x 10" 76" x 80" x 12"
King Weight (lb) 135
California King
California King Dimensions 72" x 84" x 14.75" 72" x 84" x 14" 72" x 83.5" x 10" 72" x 84" x 12"
California King Weight (lb) 142

Brand

Manufactured in
(Mattresses)
United States United States United States United States
Number of other mattresses 3 12 2
Other mattresses
(Queen prices shown)
Beautyrest Black $2,499 $2,299
13" Hybrid (coils and foam)
Beautyrest Black Hybrid $2,399 $2,199
13.5" Hybrid (coils and foam)
Beautyrest Harmony Lux Carbon $1,499 $1,399
13" Hybrid (coils and foam)
Helix Sunset $1,099 $999
12" Hybrid (coils and foam)
Helix Moonlight $1,099 $999
12" Hybrid (coils and foam)
Helix Midnight $1,099 $999
12" Hybrid (coils and foam)
Helix Dusk $1,099 $999
12" Hybrid (coils and foam)
Helix Twilight $1,099 $999
12" Hybrid (coils and foam)
Helix Dawn $1,099 $999
12" Hybrid (coils and foam)
Helix Moonlight Luxe $1,949 $1,749
14" Hybrid (coils and foam)
Helix Midnight Luxe $1,949 $1,749
14" Hybrid (coils and foam)
Helix Dusk Luxe $1,949 $1,749
14" Hybrid (coils and foam)
Helix Twilight Luxe
Helix Dawn Luxe $1,949 $1,749
14" Hybrid (coils and foam)
Helix Plus $1,649 $1,499
13" Hybrid (coils and foam)
Serta Luxe $449
11.5" Hybrid (coils and foam)
Serta iComfort Hybrid $1,399 $1,199
12" Hybrid (coils and foam)
Sister sites or brands Serta
Tuft & Needle
Birch Living Beautyrest
Tuft & Needle
Sister mattresses
(Search by name to add to compare)
Serta Luxe $449
11.5" Hybrid (coils and foam)
Serta iComfort $1,399 $1,199
10" Memory foam
Serta iComfort Hybrid $1,399 $1,199
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)
Beautyrest Black $2,499 $2,299
13" Hybrid (coils and foam)
Beautyrest Black Hybrid $2,399 $2,199
13.5" Hybrid (coils and foam)
Beautyrest Harmony Lux Carbon $1,499 $1,399
13" Hybrid (coils and foam)
Beautyrest Harmony Lux Diamond $1,899 $1,699
14.75" 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)

Certifications & Sustainability

CertiPUR-US®
CertiPur-US logo
CertiPur-US logo
CertiPur-US logo
CertiPur-US logo
OEKO-TEX®
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 SAFE®
Rainforest Alliance CertifiedÔäó
Forest Stewardship Council®
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! We ship via UPS Ground direct from the manufacture to your door.

Serta mattresses are shipped using the fastest, safest, and most reliable method possible. After ordering, you will be contacted by XPO Logistics to schedule a delivery day and time.

Mattresses are made to order and ship from Los Angeles California using FedEX ground.

Current Promotions

Memorial Day Sale! Get up to $300 off Beautyrest mattresses. Ends June 7th

See offer

Memorial Day Sale! Get 2 Free Dream Pillows with mattress and $100 off with code MEMORIALDAY100 (or get $150 or $200 off when you spend $1,250 or $1,750 with codes MEMORIALDAY150 and MEMORIALDAY200).

See offer

Memorial Day Sale! Get $200 off the iComfort mattress and up to $600 off the Serta Motion Perfect Base. Ends June 7th

See offer

No current promotions but check their website.

See website
PricesTwin $1,699 $1,499
[go to store]
Twin XL $1,749 $1,549
[go to store]
Full $1,819 $1,619
[go to store]
Queen $1,899 $1,699
[go to store]
King $2,399 $2,199
[go to store]
Cal King $2,399 $2,199
[go to store]
Twin $1,099 $999
[go to store]
Twin XL $1,349 $1,199
[go to store]
Full $1,649 $1,499
[go to store]
Queen $1,949 $1,749
[go to store]
King $2,349 $2,149
[go to store]
Cal King $2,349 $2,149
[go to store]
Twin $909 $709
[go to store]
Twin XL $999 $799
[go to store]
Full $1,219 $1,019
[go to store]
Queen $1,399 $1,199
[go to store]
King $1,899 $1,699
[go to store]
Cal King $1,899 $1,699
[go to store]
Twin $899
[go to store]
Twin XL $949
[go to store]
Full $1,099
[go to store]
Queen $1,299
[go to store]
King $1,499
[go to store]
Cal King $1,499
[go to store]

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