Grateful Hybrid by Diamond Mattress Mattress

Mattress Comparison

Brand Diamond Mattress
Mattress Type Hybrid (coils and foam)
Prices $799 $699
Shop Twin
$849 $749
Shop Twin XL
$899 $799
Shop Full
$999 $899
Shop Queen
$1,299 $1,199
Shop King
$1,299 $1,199
Shop Cal King
Our Promotions

Trial & Warranty

Trial Period
Trial Period (nights) 120
Warranty Length (years) FOREVER

Firmness Options

One Firmness Fits All?
Adjustable Firmness
Flippable / Reversible Firmness
Half-Half Firmness
Selectable Firmness
Firmness Info 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 4/10 on the firmness scale, a light, gentle and flexible feel that conforms to your body.
  • Medium, a 6/10 on the firmness scale, the best of both worlds for an exceptionally comfy feel.
  • Firm, a 9/10 on the firmness scale, solid and stable support throughout your sleeping surface.

Mattress Construction

Materials Overview The Grateful Mattress by Diamond Mattress is constructed of:
  • 1.5" Luxury Airflow Quilting & Breathable Stretch Knit Cover
  • 1" Gel Memory Foam
  • 2" HD Comfort Layers
  • Patented Zoned Support System - Foam Encased.
Comfort Info 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 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 Pressure Relieving Gel Memory Foam: This adaptive material enhances blood circulation to allow muscles to recover more fully. It also reduces motion transfer between partners for less disturbance and deeper sleep.
Support Specs 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
Pressure Relieving Gel Memory Foam memorizes your body type, weight and shape for a conforming fit in any position.
Fabric Specs Luxury Airflow Quilting & Breathable Stretch Knit Cover


Side Sleepers
Back Sleepers

Size & Weight

Twin Dimensions 39" x 75" x 10"
Twin Weight (lb) 53
Twin XL
Twin XL Dimensions 39" x 80" x 10"
Twin XL Weight (lb) 58
Full (Double)
Full Dimensions 54" x 75" x 10"
Full Weight (lb) 67
Queen Dimensions 60" x 80" x 10"
Queen Weight (lb) 80
King Dimensions 76" x 80" x 10"
King Weight (lb) 100
California King
California King Dimensions 72" x 84" x 10"
California King Weight (lb) 100


Manufactured in
United States
Number of other mattresses 3
Other mattresses
(Queen prices shown)
Intention Hybrid by Diamond $1,199 $1,099
10" Hybrid (coils and foam)
Faith Hybrid by Diamond $1,499 $1,399
10" Hybrid (coils and foam)
Transformation Hybrid by Diamond $1,699 $1,599
10" Hybrid (coils and foam)
Sister sites or brands
Sister mattresses
(Search by name to add to compare)

Certifications & Sustainability

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


Delivery Cost FREE
Delivery Info

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
Prices$799 $699
Shop Twin
$849 $749
Shop Twin XL
$899 $799
Shop Full
$999 $899
Shop Queen
$1,299 $1,199
Shop King
$1,299 $1,199
Shop Cal King
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