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    Mattress Comparison
    Stearns & Foster Estate mattress

    Stearns & Foster Estate

    VS
    Black Diamond mattress

    Black Diamond

    Stearns & Foster Estate vs. Black Diamond

    Side-by-side comparison of the Stearns & Foster Estate (Luxury Innerspring) and Black Diamond (Hybrid). Compare comfort, cooling, support, value and more — based on our lab testing.

    Winner: Stearns & Foster

    By Sleep Sage Editorial Team

    Side-by-side mattress testing · 144+ comparisons published

    Updated May 2026
    Category
    Stearns & Foster Estate
    Black Diamond
    Comfort
    9.4/10
    9/10
    Support
    9.3/10
    8.8/10
    Cooling
    9.1/10
    9.4/10
    Edge Support
    9.5/10
    8.5/10
    Motion Isolation
    8.9/10
    8.7/10
    Durability
    9.4/10
    9/10
    Value
    8.2/10
    8.2/10

    Quick Specs Comparison

    Spec
    Stearns & Foster Estate
    Black Diamond
    Price (Queen)
    $2,499
    $2,599
    Type
    Luxury Innerspring
    Hybrid
    Firmness
    6/10
    5/10
    Height
    15 inches
    14"
    Trial
    90 nights
    120 nights
    Warranty
    10 years
    20-year limited
    Shipping
    Free white glove delivery
    Free delivery

    Key Advantages

    Why Choose Stearns & Foster Estate

    • 178 years of handcrafting excellence
    • IntelliCoil HD adaptive support
    • Cashmere-blend quilted cover

    Why Choose Black Diamond

    • Ice Flex Cooling Technology provides outstanding temperature regulation
    • Premium hybrid construction with individually wrapped coils for targeted support
    • Multiple comfort options (Plush, Medium, Firm) to match your preference

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    Before you buy, read the brand: construction, pricing bands, trial and warranty terms, and how each company's lineup performed in our Encinitas lab.

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