Find the Right Bed
Nearby Stores
Comparison
Discounts
Reviews
Mattress 101
GoodBed Quiz
Search

Find the Right Bed

Goodbed Match Quiz
GoodBed Match Quiz
Mattresses at Nearby Stores
Mattresses at Nearby Stores
Mattresses Available Online
Mattresses Available Online

Compare Side-by-Side

Compare mattresses side by side

Choose from hundreds of mattress brands and models to compare.

Create a Comparison

Popular Mattress Comparisons

    GoodBed Cash Back

    GoodBed Cash Back

    Get extra cash back from GoodBed after purchase – stacked on top of the best discounts from the retailer.

    See GoodBed Cash Back offers + how it works
    • Expert Reviews
    • Expert Reviews
    • Customer Reviews
    • Popular Online Brands
    • Popular Store Brands
    • All Brands
    • Write a Review
    • Write Review

    Expert Reviews

    View 100+ Expert Reviews
    • Avocado - Mattress Reviews
    • Beautyrest - Mattress Reviews
    • Brooklyn Bedding - Mattress Reviews
    • Casper - Mattress Reviews
    • DreamCloud - Mattress Reviews
    • Helix - Mattress Reviews
    • Nectar - Mattress Reviews
    • Purple - Mattress Reviews
    • Saatva - Mattress Reviews
    • Sealy - Mattress Reviews
    • Serta - Mattress Reviews
    • Stearns & Foster - Mattress Reviews
    • TEMPUR-Pedic - Mattress Reviews
    • Tuft & Needle - Mattress Reviews
    • WinkBed - Mattress Reviews

    Popular Online Brands

    View All Online Brands
    • Avocado Mattress Reviews
    • Brooklyn Bedding Mattress Reviews
    • Casper Mattress Reviews
    • DreamCloud Mattress Reviews
    • Leesa Mattress Reviews
    • Nectar Mattress Reviews
    • Nest Bedding Mattress Reviews
    • Puffy Mattress Reviews
    • Purple Mattress Reviews
    • Saatva Mattress Reviews
    • Tuft & Needle Mattress Reviews
    • WinkBed Mattress Reviews

    Popular Store Brands

    View All Store Brands
    • Beautyrest Mattress Reviews
    • Englander Mattress Reviews
    • IKEA Mattress Reviews
    • King Koil Mattress Reviews
    • Restonic Mattress Reviews
    • Sealy Mattress Reviews
    • Serta Mattress Reviews
    • Sleep Number Mattress Reviews
    • Sleepys Mattress Reviews
    • Spring Air Mattress Reviews
    • Stearns & Foster Mattress Reviews
    • TEMPUR-Pedic Mattress Reviews

    Write a Review

    Rate Your Mattress
    Rate Your Mattress
    Rate a Mattress Retailer
    Rate a Mattress Retailer

    Mattress 101

    Types of Mattresses
    Types of Mattresses
    How to choose a Mattress - the 3 F's
    How to Choose a Mattress - the 3 F's
    What to Avoid
    What to Avoid
    Expert Q&A
    Expert Q&A
    Customer Discussion Forum
    Customer Discussion Forum
    Related Products
    Related Products
    Mattress Glossary
    Mattress Glossary

    The GoodBed Matching Quiz

    GoodBed Quiz

    Find your perfect mattress match in a few minutes, searching across all major brands and retailers.

    Learn more about the Quiz
    Close
    Reviews

    Diamond Mattress
    Mattress Ratings & Reviews

    Diamond Mattress logo
    86/100
    Excellent
    Based on 380 real owner experiences with this brand.
    Back Support
    65
    Pressure Relief
    68
    Sleep Quality
    70
    Stays "Cool"
    72
    Value
    54
    Warranty Service
    38
    Average Lifespan
    10.9 Years
    Shop this Brand

    on diamondmattress.com

    Not sure this product is right for you?

    Take the

    GoodBed Match Quiz
    Write a review of this product
    Back Support
    65
    Pressure Relief
    68
    Sleep Quality
    70
    Stays "Cool"
    72
    Value
    54
    Warranty Service
    38
    Average Lifespan
    10.9 Years
    Shop this Brand

    on diamondmattress.com

    Not sure this product is right for you?

    Take the

    GoodBed Match Quiz
    Write a review of this product
    FILTER
    380 total ratings, 19 with reviews
    Male
    Claremont, CA
    Review left on Sep 4, 2025

    Ratings from this sleeper:

    Back Support
    5/ 5
    Pressure Relief
    4/ 5
    Sleep Quality
    5/ 5
    Stays "Cool"
    4/ 5
    Value
    N/A
    Warranty Service
    N/A
    This review is for Diamond Mattress
    Owned for: 6 years
    Condition: Moderately worn

    45 - 54 years old

    Male

    Side Sleeper

    200-250 lbs

    Prefers Medium Feel

    Back Pain, Hip Pain, Neck Pain, Plus Size, Sleep Apnea

    0
    Male
    Dana Point, CA
    Review left on Aug 27, 2025

    Ratings from this sleeper:

    Back Support
    3/ 5
    Pressure Relief
    3/ 5
    Sleep Quality
    4/ 5
    Stays "Cool"
    3/ 5
    Value
    N/A
    Warranty Service
    N/A
    This review is for Diamond Mattress
    Owned for: 6 years
    Condition: Slightly worn

    Over 65 years old

    Male

    Side Sleeper

    200-250 lbs

    Prefers Medium Feel

    Arthritis, Spinal Stenosis

    0
    Male
    Camarillo, CA
    Review left on Aug 26, 2025

    Ratings from this sleeper:

    Back Support
    5/ 5
    Pressure Relief
    4/ 5
    Sleep Quality
    5/ 5
    Stays "Cool"
    4/ 5
    Value
    N/A
    Warranty Service
    N/A
    This review is for Diamond Generations Relief Luxury Firm
    Owned for: 7 years
    Condition: Don't know

    Over 65 years old

    Male

    Side Sleeper

    150-200 lbs

    Prefers Harder Feel

    Arthritis

    0
    Female
    Huntington Beach, CA
    Review left on Apr 23, 2025

    Ratings from this sleeper:

    Back Support
    5/ 5
    Pressure Relief
    5/ 5
    Sleep Quality
    5/ 5
    Stays "Cool"
    5/ 5
    Value
    N/A
    Warranty Service
    N/A
    This review is for Diamond Mattress
    Owned for: 9 years
    Condition: Very worn

    45 - 54 years old

    Female

    Side Sleeper

    150-200 lbs

    Prefers Harder Feel

    0
    Female
    Carlsbad, CA
    Review left on Mar 1, 2025

    Ratings from this sleeper:

    Back Support
    2/ 5
    Pressure Relief
    2/ 5
    Sleep Quality
    2/ 5
    Stays "Cool"
    5/ 5
    Value
    N/A
    Warranty Service
    N/A
    This review is for Diamond Ethos
    Owned for: 4 years
    Condition: Like new

    Over 65 years old

    Female

    Side Sleeper

    100-150 lbs

    Prefers Softer Feel

    Arthritis, Back Pain, Hip Pain, Neck Pain, Osteoporosis

    0
    Male
    Indio, CA
    Review left on Dec 26, 2024

    Ratings from this sleeper:

    Back Support
    3/ 5
    Pressure Relief
    3/ 5
    Sleep Quality
    3/ 5
    Stays "Cool"
    3/ 5
    Value
    N/A
    Warranty Service
    N/A
    This review is for Diamond Mattress
    Owned for: 7 years
    Condition: Moderately worn

    Over 65 years old

    Male

    Side Sleeper

    > 300 lbs

    Prefers Softer Feel

    Acid Reflux, Allergies, Arthritis, Back Pain, Neck Pain, Plus Size

    0
    Male
    Chicago, IL
    Review left on Nov 20, 2024

    Ratings from this sleeper:

    Back Support
    4/ 5
    Pressure Relief
    5/ 5
    Sleep Quality
    4/ 5
    Stays "Cool"
    3/ 5
    Value
    N/A
    Warranty Service
    N/A
    This review is for Diamond Spinal Pedic
    Owned for: 15 years
    Condition: Slightly worn

    45 - 54 years old

    Male

    Side Sleeper

    150-200 lbs

    Prefers Softer Feel

    Restless Leg, Sleep Apnea, Sleeping Hot

    0
    Male
    Los Angeles, CA
    Review left on Nov 17, 2024

    Ratings from this sleeper:

    Back Support
    2/ 5
    Pressure Relief
    2/ 5
    Sleep Quality
    2/ 5
    Stays "Cool"
    3/ 5
    Value
    N/A
    Warranty Service
    N/A
    This review is for Diamond Mattress
    Owned for: 10 years
    Condition: Very worn

    25 - 34 years old

    Male

    Stomach Sleeper

    250-300 lbs

    Prefers Harder Feel

    Back Pain, Hip Pain, Plus Size, Sleeping Hot

    0
    Male
    South San Francisco, CA
    Review left on Nov 2, 2024

    Ratings from this sleeper:

    Back Support
    3/ 5
    Pressure Relief
    3/ 5
    Sleep Quality
    4/ 5
    Stays "Cool"
    3/ 5
    Value
    N/A
    Warranty Service
    N/A
    This review is for Diamond Generations Relief Luxury Firm
    Owned for: 10 years
    Condition: Don't know

    45 - 54 years old

    Male

    Side Sleeper

    150-200 lbs

    Prefers Harder Feel

    Acid Reflux, Allergies, Back Pain, Neck Pain, Sleeping Hot

    0
    Male
    Yakima, WA
    Review left on Oct 6, 2024

    Ratings from this sleeper:

    Back Support
    3/ 5
    Pressure Relief
    3/ 5
    Sleep Quality
    5/ 5
    Stays "Cool"
    N/A
    Value
    N/A
    Warranty Service
    N/A
    This review is for Diamond Rally Collection
    Owned for: 10 years
    Condition: Moderately worn

    55 - 64 years old

    Male

    Side Sleeper

    200-250 lbs

    Prefers Medium Feel

    Back Pain, Hip Pain, Plus Size, Sleeping Hot

    0
    12
    3
    45
    ...
    38
    Diamond Mattress Mattress Reviews - Page 3 | GoodBed