Diamond Mattress Models
Diamond Mattress is a family-owned manufacturer that has made mattresses in the United States since 1946. Its current direct-to-consumer range spans foam, hybrid, and quilted-hybrid designs, including the cooling-focused Black Diamond and Flurry Lux lines. Diamond says it makes its own pocketed coils, processes its own memory foams, and builds its covers in house. Mattresses sold directly through the brand's site include a 120-night trial, with at least 30 nights recommended for adjustment, plus a standard 20-year limited non-prorated warranty.
Retailer purchase confidence
Buy Diamond Mattress with confidence
The linked retailer offer gives you time at home to decide whether the mattress feels right. These terms belong to the retailer shown and apply only to eligible purchases through that seller.
Buy with confidence
120-night comfort guarantee at Diamond Mattress
Try an eligible mattress for at least 30 nights. Diamond Mattress coordinates a return or exchange and deducts a $99 pickup and return-shipping fee.
Read Diamond Mattress eligibility and return terms →About Diamond Mattress
Diamond Mattress is a family-owned manufacturer that has made mattresses in the United States since 1946. Its current direct-to-consumer range spans foam, hybrid, and quilted-hybrid designs, including the cooling-focused Black Diamond and Flurry Lux lines. Diamond says it makes its own pocketed coils, processes its own memory foams, and builds its covers in house. Mattresses sold directly through the brand's site include a 120-night trial, with at least 30 nights recommended for adjustment, plus a standard 20-year limited non-prorated warranty.
Why Diamond Mattress?
- ✓Family-owned mattress manufacturer operating since 1946
- ✓Makes pocketed coils and covers in house and processes its own memory foams
- ✓Cooling-focused foam, hybrid, and quilted-hybrid options
- ✓120-night direct-purchase trial and standard 20-year limited warranty
Certifications
Diamond Mattress Lineup: Good / Better / Best
All Diamond Mattress Models (4)
Best for: Value focused hybrid shoppers · Combination sleepers wanting a Medium feel
Why it stands out: The simple copper-memory-foam and wrapped-coil build gives value shoppers a clear current Diamond starting point
Keep in mind: Copper cooling and antimicrobial effects, contouring, motion transfer, and edge outcomes are manufacturer claims rather than SleepRanked lab results
Buy with confidence
120-night comfort guarantee at Diamond Mattress
Best for: Hot sleepers wanting a Euro top hybrid · Back and combination sleepers choosing Medium or Firm
Why it stands out: Coolstream Lux fabric and graphene-infused Memory Foam provide two distinct passive heat-management mechanisms
Keep in mind: There is no Plush option, so shoppers wanting the softest Diamond feel must compare Black Diamond or another model
Buy with confidence
120-night comfort guarantee at Diamond Mattress
Best for: Latex shoppers wanting buoyant response · Buyers prioritizing cotton and wool
Why it stands out: Talalay latex supplies faster rebound and easier repositioning than the slow memory-foam surfaces in Diamond's other reviewed models
Keep in mind: Only one Medium feel is offered, and the page does not publish the Talalay thickness, coil count, or wire gauge
Buy with confidence
120-night comfort guarantee at Diamond Mattress
Best for: Hot sleepers comparing passive cooling materials · Couples choosing among three firmness levels
Why it stands out: A removable CoolTouch cover, Ice Flex bands, and titanium-infused Memory Foam give each cooling feature a named job
Keep in mind: The 12-plus-hour cooling, pressure, motion, and edge outcomes are manufacturer claims rather than independent SleepRanked test results
Buy with confidence
120-night comfort guarantee at Diamond Mattress
Diamond Mattress — Frequently Asked Questions
Where are Diamond mattresses made?
Diamond Mattress says its mattresses are made in the United States. The company says it makes pocketed coils and covers in house and processes its own memory foams.
How long is the Diamond Mattress trial?
Mattresses bought directly from Diamond Mattress include a 120-night trial. The brand recommends allowing at least 30 nights for your body to adjust before deciding on a return.
What warranty does Diamond Mattress provide?
The standard manufacturer warranty is a 20-year limited non-prorated warranty. Coverage can vary for select models, so keep the law tag and check the warranty supplied with the exact mattress.
How do Black Diamond and Flurry Lux differ?
Black Diamond is the higher-priced line with multiple construction and firmness choices. Flurry Lux is a Euro-top cooling hybrid offered in Medium and Firm feels at a lower current price.
Compare Diamond Mattress with other top brands
See how Diamond Mattress stacks up against competitors in head-to-head comparisons.