DIAMOND COPPERPerformance Cooling Collection

CONDUCTIVE COOLING.RESPONSIVESUPPORT.

Copper-infused comfort layers continuously pull heat away while high-density foams and individually wrapped coils create a cooler, more supportive night's sleep.

Conductive CoolingConductive Cooling
Individually Wrapped CoilsIndividually Wrapped Coils
Motion IsolationMotion Isolation
High-Density ComfortHigh-Density Comfort
Airflow DesignAirflow Design
GreenGuard Gold CertifiedGreenGuard Gold Certified
CONDUCTIVE

CONDUCTIVECopper Cooling.

Copper is one of nature's best thermal conductors, continuously drawing heat away from your body to help maintain a cooler sleeping environment throughout the night.

  • ✓Actively conducts heat away — not just passive venting
  • ✓Cooler sleeping surface from the moment you lie down
  • ✓Maintains a comfortable temperature all night long
  • ✓Feel cooler from the moment you fall asleep until morning
CONDUCTIVE
HIGH-DENSITY

HIGH-DENSITYComfort.

Premium high-density comfort layers gently contour to your body while maintaining their support night after night. No excessive sinking. Just supportive comfort.

  • ✓Gentle contouring without excessive sinking
  • ✓Maintains shape and support longer than conventional foam
  • ✓Pressure-relieving comfort exactly where you need it
  • ✓High-density durability built to last
HIGH-DENSITY
INDIVIDUALLY

INDIVIDUALLYWrapped Coils.

Individually wrapped coils respond independently to your body, reduce partner motion and allow airflow throughout the mattress.

  • ✓Each coil moves independently to your body
  • ✓Minimizes partner disturbance while you sleep
  • ✓Micro-coils and breathable foams keep air moving all night
  • ✓Responsive comfort — contours where you want, supports where you need
INDIVIDUALLY
DIAMOND COPPERConductive Cooling. Responsive Support.

WHY YOU'LL LOVE DIAMOND COPPER

  • ✓Conductive Cooling — Feel cooler from the moment you fall asleep until morning
  • ✓High-Density Durability — Maintains comfort and support longer than conventional foams
  • ✓Motion Isolation — Pocketed coils minimize partner disturbance
  • ✓Airflow Design — Micro-coils and breathable foams keep air moving all night
  • ✓Responsive Comfort — Contours where you want it. Supports where you need it.
  • ✓GreenGuard Gold Certified — Clean, safe, long-lasting comfort
WHY YOU'LL LOVE DIAMOND COPPER

Who Is It For?

PERFECT FOR

🌡️

Hot Sleepers

Copper actively pulls heat away, so you stay cool from the moment you lie down until morning.

🛏️

Better Sleep Together

Individually wrapped coils and motion isolation mean you won't feel your partner toss and turn.

🔄

Combination Sleepers

Responsive coils and contouring foam adapt instantly as you shift positions throughout the night.

💪

Cooling Support

High-density foam and coil support keeps your spine aligned while copper keeps you comfortable.

The Diamond Difference

TRUSTED FOR BETTER SLEEP SINCE 1946

For four generations, Diamond Mattress has proudly handcrafted premium mattresses right here in the USA. We are family-owned — not publicly traded — which means we invest in what matters most: your comfort, your trust, and long-lasting quality. While national brands spend billions on ads, we spend it where it belongs — in every stitch, every foam, and every spring.

  • •Trusted For Better Sleep Since 1946 — 80+ Years
  • •Family-Owned and Operated for Four Generations
  • •We Invest in Quality & Comfort — Not Costly Advertising
  • •Everything Made In-House for Better Quality & Service
  • •Handcrafted Comfort with Exclusive Technologies
  • •Certified Clean and Eco-Friendly for Healthier Homes
  • •Mattresses for Everyone — From Value to Luxury & Specialty
20 YEAR Warranty
MADE IN USA
FAMILY Owned & Operated
TRUSTED FOR BETTER SLEEP SINCE 1946