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Diamond Float 10" Cool Gel Grid Foam Mattress

$1,399
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Diamond Float 10" Cool Gel Grid Foam Mattress

LA Mattress Store - Featured Services

Diamond Gel Grid Float Firm Mattress

The Float Firm Mattress by Diamond Mattress features the innovative Gel Grid layer for responsive pressure relief and all-night cooling — combined with firm support to keep your spine aligned and your body well-rested.

The Diamond Gel Grid Float Firm Mattress delivers the perfect combination of firm orthopedic support and next-gen cooling comfort. Its open-grid gel layer dynamically flexes to relieve pressure while allowing air to flow freely. Underneath, supportive comfort foam and a durable base layer create a resilient, no-sag surface that’s ideal for back and stomach sleepers who need consistent support.

Best For

Back sleepers, stomach sleepers, and hot sleepers who want a firm mattress with advanced cooling and pressure relief. Also ideal for people with lower back pain or those who prefer less sink-in feel.

Key Features

  • Firm Comfort Feel: Delivers a stable, supportive surface for optimal spine alignment and posture correction.
  • Open-Cell Gel Grid Technology: Provides pressure relief while maximizing airflow for cooler sleep.
  • Supportive Foam Base: High-density core ensures long-lasting structure and minimizes motion transfer.
  • Hypoallergenic & Breathable Cover: Stretch-knit fabric helps wick away moisture and heat.
  • Motion Isolation: Designed for couples — sleep undisturbed by partner movement.
  • Eco-Friendly & Certified Safe: CertiPUR-US® foams free from harmful chemicals and toxins.
  • Adjustable Base Compatible: Works perfectly with any power foundation from LA Mattress Store.
  • 20-Year Limited Warranty: Proudly handcrafted in California for lasting performance.

Why Choose the Gel Grid Float Firm Mattress?

Designed for restorative, temperature-neutral sleep, the Gel Grid Float Firm Mattress keeps your back supported and your body cool all night long. Whether you're recovering from back strain or simply prefer firmer comfort, this mattress brings together cutting-edge cooling tech and therapeutic firmness in one smart sleep solution.

Try the Float Firm Mattress at LA Mattress Store

Visit any of our 5 LA Mattress Store locations across Los Angeles to experience the Gel Grid Float Firm Mattress in person. Our team will guide you through the comfort and support levels that fit your body and sleep style best. Free local delivery, in-home setup, and old mattress removal included.

Frequently Asked Questions

Is this mattress firm enough for back pain relief?

Yes — the Float Firm Mattress is designed to maintain spinal alignment and reduce pressure on your lower back.

What is the Gel Grid and how does it work?

The Gel Grid is an open, flexible layer that compresses under pressure and springs back quickly, while also promoting constant airflow to keep you cool.

Does this mattress trap heat?

No — the Gel Grid and breathable cover are designed to keep your sleep surface cool and fresh all night.

Is it compatible with adjustable bases?

Yes — the mattress is fully adjustable-base compatible and flexible enough for powered positioning.

How long does the Float Firm mattress last?

With proper care, this mattress will last 10–20 years and comes backed by a 20-year limited warranty.

Upgrade your rest with the Diamond Gel Grid Float Firm Mattress — available online and in all LA Mattress Store locations with free delivery and setup.