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Made in Southern California · Since 1946

Diamond
Mattresses,
built where you sleep.

Family-owned and manufactured right here in the LA area for 80 years. CertiPUR-US® certified foams, pocketed coil hybrids, and cooling tech engineered for SoCal — at 30–50% below comparable national brands. Because you’re paying for the mattress, not the marketing.

Shop Diamond mattresses Visit a showroom
80+Years in LA
30-50%Less than national
$299+Starting from
Diamond Lucille Natural Latex Euro Top mattressEst. 1946
Built in Los AngelesFamily-owned factory · CertiPUR-US® certified

Rest Easy

Fast, Free & Same-Day Delivery

Rest Assured

3,000+ 5-Star Reviews

Rest Well

120-Night Comfort Trial

Rest Tonight

Sleep Now, Pay Later

Why Diamond

Local quality at honest prices.

Four reasons Diamond has been the best value in LA mattresses for 80 years — from the family that still builds them by hand, a few miles from your bedroom.

Made in Southern California

Every Diamond mattress is built in their LA-area factory. Shorter supply chain, fresher materials, and direct quality control at every step.

CertiPUR-US® certified

All foams independently tested - no formaldehyde, no heavy metals, no PBDE retardants, low VOC. One of the most meaningful certifications in mattresses.

30-50% below national brands

No nationwide shipping markup. No big-brand ad budget. Just quality materials at honest prices from a family business that has been here since 1946.

Cooling tech for SoCal

Gel-infused memory foam layers and breathable covers engineered for the LA climate. Sleep cool without paying a premium.

Shop by type

Four ways to sleep like a Diamond.

From the most popular hybrid pick to the cooling gel foams built for LA heat — every construction starts at honest value pricing.

Diamond Hybrid
Most PopularBest of both worlds

Hybrid

Pocketed coils + foam comfort layers for airflow, responsive bounce, and stronger edge support.

From $599Couples, hot sleepers, bounce preference
Shop Hybrid
Diamond All-Foam
Deep contouring

All-Foam

From $299

Side sleepers, light sleepers, budget buyers

Shop All-Foam
Diamond Cooling Gel
Engineered for SoCal

Cooling Gel

From $399

Hot sleepers, Southern California climate

Shop Cooling Gel
Diamond Firm Support
Solid spine alignment

Firm Support

From $349

Back & stomach sleepers, heavier body types

Shop Firm Support
Browse the collection

All Diamond mattresses we carry.

Filter by type, firmness, size, and price.

LA factory since 1946

Built a few miles
from your bedroom.

Most mattresses you see online are made on the other side of the country — or the other side of the world. Diamond has been building them in the LA area since 1946. That’s 80 years of local manufacturing, family ownership, and direct accountability. When something is wrong, you can visit the factory.

  • Manufactured in the Los Angeles area - not overseas
  • Same family ownership since 1946 - 80 years of craft
  • Short supply chain means fresher materials and tighter quality control
  • Every mattress inspected before it leaves the factory floor
Shop Diamond Visit a showroom
LA Mattress Store delivery fleet
Built in LAShort supply chain
1946Founded
80+Years building
100%Made in CA
Independent certification

What CertiPUR-US® actually means.

Not a marketing badge. An independent certification program that tests polyurethane foam for chemicals, emissions, and durability. Every Diamond foam carries it.

No harmful chemicals

Independently tested for formaldehyde, heavy metals, phthalates, PBDE flame retardants, and ozone depleters. None allowed in certified foams.

Low VOC emissions

Certified foams release minimal volatile organic compounds - better indoor air quality, especially important in a bedroom where you spend 8 hours a night.

Durability tested

CertiPUR-US® foams pass accelerated aging tests to prove they hold their shape and comfort properties over the long haul. Not just comfy on day one.

Every Diamond foam is CertiPUR-US® certified.Ask to see the certification documents at any showroom visit.
Diamond cooling gel mattress cross-section
Engineered for SoCal

Sleep cool in the LA climate.

Most “cooling” mattresses are marketing. Diamond’s cooling line is built specifically for hot sleepers in Southern California — gel-infused memory foam layers, phase-change cover fabrics, and open-cell support cores that move air instead of trapping it.

1
Cool-touch coverPhase-change fibers wick heat away from your body on contact.
2
Gel-infused memory foamGel beads absorb heat as you settle in, and release it as the night cools.
3
Open-cell support coreAirflow channels run through the core instead of trapping heat at the surface.
Shop cooling gel mattresses
Value comparison

Diamond vs national brands.

When you compare spec-for-spec, the difference usually isn’t the mattress. It’s the marketing budget baked into the price.

 Value pickDiamond MattressNational luxury brands
ManufacturingMade in Southern CaliforniaMass-produced overseas or nationwide
Price Point30-50% below comparable specsPremium markup for brand recognition
MaterialsCertiPUR-US® certified foamsVaries - not always certified
Supply ChainShort - LA factory to your doorLong - overseas or multi-state
Local SupportTry in all 5 LA showroomsOnline-only or limited showrooms
HeritageFamily-owned since 1946Corporate, PE-backed, or startup

Same specs, better price. Come compare side by side at any of our 5 LA showrooms →

Honest pricing

Four tiers. No surprises.

Diamond’s lineup spans from entry-level foam to premium pocketed hybrid — every tier priced 30 to 50% below comparable national brands.

0% APR financing — from $25/mo on select models
Tier 01Entry valueAll-FoamFrom $299
All-Foam
Tier 02Firm supportFirm CoreFrom $349
Firm Core
Tier 03Climate coolCooling GelFrom $399
Cooling Gel
Tier 04Premium hybridHybridFrom $599
Hybrid
LA Mattress Store showroom
Try before you buy

Lie on every Diamond model. No pressure.

At $299 to $1,499, Diamond is the best value in LA — but you should still feel it before you commit. Test every type side by side at any of our 5 LA showrooms.

  • Compare all four types — foam, hybrid, cooling, firm
  • Feel the difference CertiPUR-US® certified foams make
  • Compare Diamond directly against Tempur-Pedic and Stearns & Foster
  • Find the right firmness for your sleep style
  • Expert guidance, zero sales pressure
Find your nearest showroom
Mon–Fri 10am–9pm · Sat–Sun 10am–8pm (800) 218-3578
Diamond mattresses are manufactured right here in Southern California, in the Los Angeles area. Their factory has been operating since 1946. This local production means shorter supply chains, fresher materials, and direct quality control at every step. When you buy a Diamond mattress from us, it was likely assembled within a few miles of your home.

Why Buy From LA Mattress Store

Five showrooms, five-star service, and honest guidance from a family-owned Los Angeles team.

Family-Owned Since 2012

Local LA team, no commission-based sales.

Try Before You Buy

Test every mattress in one of our 5 showrooms.

Free Delivery & Setup

White-glove delivery across Los Angeles.

120-Night Comfort Exchange

Not the right fit? Swap it within 120 nights.

Visit an LA Mattress Showroom

Compare comfort levels in person or shop online today.

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