CoolSpring GEL Stella™

Stella™ Medium Euro Top
Stella™ Medium Euro Top
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Stella™ Medium Euro Top
Body Balance Foam
Bonnell™ Coil System
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    The Stella collection combines our 3-Series Bonnell Coil support system and Body Balance foam to help you fall asleep faster, stay asleep longer and wake up feeling refreshed. CoolSpring Collection beds do not transfer motion between partners, allowing you to sleep throughout the night and receive deeper, more rejuvenating rest. These beds also reduce tossing and turning through the pressure-relieving support of our luxurious Eco-Flex plant-based comfort layers.

    Firmness & Height

    ModelFirmness (learn more)Height
    Stella Medium Euro Top
    Medium (6) 7.5"



    Mattress Features & Benefits

    • Gently conforms to your body for a personalized fit by using our exclusive, Bonnell Coill spring system
    • Reduces tossing and turning at night by allowing each coil to move independently and relieve pressure points
    • Your partner's movements will leave you undisturbed and sleeping soundly because our exclusive spring units do not transfer motion
    • The foam-encased design provides a supportive, firmer edge that allows you to sleep all the way to the edge of the bed without feeling like you will roll off. It increases the sleeping surface and reduces vibrations. Also, all of our foam-encased beds feature Tri-Zoned Lumbar Support to give you additional support in your lumbar region, where you need it most.
    • Maintains a cool, balanced temperature throughout the night, allowing muscles to breathe and heal
    • Minimizes pressure points to reduce pain and tossing and turning by combining layers of our Eco-Flex plant-based cushioning foam over our spring system
    • Always returns to its original shape to support you night after night
    • We process all the materials right here at Diamond, so we know they are the best and can offer a 20 year warranty that we have stood behind for 4 generations*

    Adjustable Friendliness (learn more)

    *Note: Although our mattresses have been tested and will last 20 years, we recommend changing every 8 to 10 years. As your body changes, your mattress needs will change over time.
    Made in the USA 
    20 Year Warranty 

    Adjustable Friendly 

    Free Information Kit 

    Sleep Better
  • Collection

    Dream Collection


    The Dream Stella Collection is designed for affordable luxury and is offered in six comfort levels that provide high conformability and undisturbed sleep. The CoolSpring Collection combines CoolTouch memory foam and our individually-wrapped coil system to relieve pressure points. Also, our Diamond-made, individually-wrapped coils don't transfer motion and conform to create a custom fit to relieve pressure.



    Available Sizes

    Twin (38" x 74")
    Twin Long (38" x 80")
    Full/Double (53" x 74")
    Queen (60" x 80")
    California King (72" x 84")
    Eastern King (76" x 80")

    Firmness & Height

    ModelFirmness (learn more)Height
    Hazel Medium Euro Top Medium (7) 7.5"

    Comfort Layer

    Layers of Body Balance Foam 
    EcoFlex HD Foam

    Support Layer

    Bonnell Coil support system. Made by Diamond Mattress, they don't transfer motion and contour to the individual sleeper for a custom fit and ideal pressure relief.

    Base Layer

    Orthopedic Eco-Flex Plant-Based Base Layer

    Edge Support

    Foam Encased Edge Support System with Tri-Zoned Lumbar Support

    Cover Fabric

    Rayon 4-Way Stretch Knit Cover



    Allergen and Dust Mite Resistant


    Non-Skid Bottom



    Matching Sustainable Hard Wood Foundation

    Adjustable Friendly

    Yes, see our adjustable bases to learn more


    20 Year Limited Warranty

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