Diamond Mattresses
Diamond mattresses are handcrafted in the USA using advanced sleep technology and premium materials — all at an exceptional value. Whether you’re looking for pressure relief, cooling comfort, or orthopedic back support, Diamond offers a mattress designed to fit your lifestyle and sleep preferences. Choose from gel memory foam, hybrid, and innerspring styles, all available in multiple firmness levels. Diamond’s performance fabrics, spinal support layers, and temperature-regulating foams are engineered to help you fall asleep faster and wake up more refreshed. With over 80 years of expertise, Diamond continues to deliver affordable luxury backed by sustainable practices and a long-standing commitment to quality.
Filter & Sort
Sort By
or set a custom range
Best SellerDiamond
Diamond Black Diamond Collection Snowbird Firm Hybrid Cool Titanium Memory Foam 15" Mattress
Firm
- Cooling Technology
- CertiPUR-US®
$1,899
$2,369
Save $470 · 20% offAs low as $158/mo
Best SellerDiamond
Diamond Black Diamond Collection Snowbird Medium Hybrid Cool Titanium Memory Foam 15" Mattress
Medium
- Cooling Technology
- CertiPUR-US®
$1,899
$2,369
Save $470 · 20% offAs low as $158/mo
Adjustable FriendlyDiamond
Diamond Black Diamond Collection Snowbird Plush Hybrid Titanium Memory Foam 15" Mattress
Plush
- Hybrid Coils
- CertiPUR-US®
$1,899
$2,369
Save $470 · 20% offAs low as $158/mo
Made in USADiamond
Diamond Dreamstage 2.0 Collection Tranquility Plush Titanium Memory Foam Euro Top 16" Mattress
Plush
- Memory Foam
- Made in USA
$1,399
$1,749
Save $350 · 20% offAs low as $117/mo
Made in USADiamond
Diamond Dreamstage 2.0 Collection Tranquility Medium Titanium Memory Foam Euro Top 16" Mattress
Medium
- Memory Foam
- Made in USA
$1,399
$1,749
Save $350 · 20% offAs low as $117/mo
Adjustable FriendlyDiamond
Diamond Dreamstage 2.0 Collection Tranquility Firm Titanium Memory Foam Tight Top 16" Mattress
Firm
- Back & Stomach Sleepers
- Memory Foam
- Adjustable Friendly
$1,399
$1,749
Save $350 · 20% offAs low as $117/mo
Made in USADiamond
Diamond Dreamstage 2.0 Collection Clarity Firm Cool Copper Gel Memory Foam 13" Mattress
Firm
- Back & Stomach Sleepers
- Cooling Technology
- CertiPUR-US®
$999
As low as $83/mo
Best SellerDiamond
Diamond Dreamstage 2.0 Collection Clarity Firm Hybrid Cool Copper Gel Memory Foam 14" Mattress
Firm
- Cooling Technology
- CertiPUR-US®
$1,079
As low as $90/mo
Made in USADiamond
Diamond Dreamstage 2.0 Collection Clarity Medium Cool Copper Gel Memory Foam 13" Mattress
Medium
- Cooling Technology
- CertiPUR-US®
$999
As low as $83/mo
Best SellerDiamond
Diamond Dreamstage 2.0 Collection Clarity Medium Hybrid Cool Copper Gel Memory Foam 14" Mattress
Medium
- Cooling Technology
- CertiPUR-US®
$1,079
As low as $90/mo
Adjustable FriendlyDiamond
Diamond Dreamstage 2.0 Collection Clarity Plush Hybrid Cool Copper Gel Memory Foam 14" Mattress
Plush
- Cooling Technology
- CertiPUR-US®
$1,079
As low as $90/mo
Made in USADiamond
Diamond Dreamstage 2.0 Collection Clarity Plush Cool Copper Gel Memory Foam 13" Mattress
Plush
- Cooling Technology
- CertiPUR-US®
$999
As low as $83/mo
Made in USADiamond
Diamond Dreamstage 2.0 Collection Glory Firm Cool Gel Swirl Memory Foam 12" Mattress
Firm
- Back & Stomach Sleepers
- Cooling Technology
- CertiPUR-US®
$849
$1,059
Save $210 · 20% offAs low as $71/mo
Best SellerDiamond
Diamond Dreamstage 2.0 Collection Glory Medium Cool Gel Swirl Memory Foam 12" Mattress
Medium
- Cooling Technology
- CertiPUR-US®
$849
$1,059
Save $210 · 20% offAs low as $71/mo
Adjustable FriendlyDiamond
Diamond Dreamstage 2.0 Collection Glory Plush Cool Gel Swirl Memory Foam 12" Mattress
Plush
- Cooling Technology
- CertiPUR-US®
$849
$1,059
Save $210 · 20% offAs low as $71/mo
Adjustable FriendlyDiamond
Diamond Dreamstage 2.0 Grace Plush Gel Swirl Memory Foam 12" Mattress
Plush
- Cooling Technology
- CertiPUR-US®
$599
$749
Save $150 · 20% offAs low as $50/mo
Adjustable FriendlyDiamond
Diamond Dreamstage Collection 2.0 Grace Firm Gel Swirl Memory Foam 12" Mattress
Firm
- Back & Stomach Sleepers
- Cooling Technology
- Adjustable Friendly
$599
$749
Save $150 · 20% offAs low as $50/mo
Best SellerDiamond
Diamond Dreamstage 2.0 Collection Grace Quilted Medium 12" Mattress
Medium
- CertiPUR-US®
$599
$749
Save $150 · 20% offAs low as $50/mo
Natural LatexDiamond
Diamond Lucille Firm Natural Latex Lux Euro Top 15" Mattress
Firm
- Back & Stomach Sleepers
- Natural Latex
- CertiPUR-US®
$2,299
$2,399
Save $100 · 4% offAs low as $192/mo
Best SellerDiamond
Diamond Lucille Medium Natural Latex Luxury Euro Top 15" Mattress
Medium
- Natural Latex
- CertiPUR-US®
$2,299
$2,399
Save $100 · 4% offAs low as $192/mo
ClearanceDiamond
Queen Diamond Natasha Firm Natural Latex Lux Euro Top 14.5" Floor Model Clearance Mattress
Firm
- Back & Stomach Sleepers
- Natural Latex
- CertiPUR-US®
$1,199
$2,999
Save $1800 · 60% offAs low as $100/mo
Natural LatexDiamond
Diamond Lucille Plush Natural Latex Lux Euro Top 15" Mattress
Plush
- Natural Latex
- CertiPUR-US®
$2,299
$2,399
Save $100 · 4% offAs low as $192/mo
CoolingDiamond
Diamond Technogel® Technology Armonia 11" Firm Foam Mattress
Firm
- Back & Stomach Sleepers
- Cooling Technology
- Made in USA
$3,074
As low as $256/mo
ClearanceDiamond
Queen Diamond Technogel® Technology Estasii 3.0 12" Plush Foam Floor Sample Clearance Mattress
Medium
- Cooling Technology
- Made in USA
$3,399
As low as $283/mo