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Diamond Mattress CoolSpring GEL SKYLINE luxury Firm

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Diamond Mattress CoolSpring GEL SKYLINE luxury Firm


Featuring Diamond made 5 series individually wrapped coils and Cool GEL technology, the CoolSpringGEL  Skyline models have been designed for maximum support. Developed to provide long-lasting enjoyment, these beds combine durable comfort layers, which have been designed to keep you cool at night, with a support system that does not transfer motion between parners, allowing you to sleep undisturbed throughout the night. These beds also reduce tossing and turning through the pressure relieving support of our luxurious Eco-Flex plant-based comfort layers and the most advanced, high quality components.

Firmness & Height

ModelFirmness (learn more)Height
Skyline Pillow Top Soft (2) 14"
Skyline Plush Medium Plush (5) 11"
Skyline Firm Luxury Firm (8) 11"


Mattress Features & Benefits
  • Exclusively available by Diamond Mattress, our Individually Wrapped Coils conforms to your body for a personalized fit.
  • Reduces tossing and turning at night by allowing each coil to move independently and relieves pressure points
  • Your partner's movements will leave you undisturbed and sleeping soundly because our exclusive spring units do not transfer motion
  • 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 we 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.