OC Mattress is an Authorized Retailer for Diamond Mattress in Orange County, CA. Visit any of our 8 store locations to experience a Diamond mattress.

Diamond offers the most comfortable and best-looking mattresses available. For 80 years they have been a trusted source of sleep wellness products and have kept true to their roots of producing higher quality products at a great value.

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diamond rally 3 mattress top view diamond rally 3 cooling foam cross section view
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CA King Mattresses, Diamond Mattress

Rally 3 - Firm 12" Cooling Foam Mattress

Diamond Mattress' Rally 3 is a 12-inch, firm-feel cooling foam mattress that delivers weightless feel and orthopedic support. Hyper-conductive Copper Bounce Foam & Responsive Gel Memory Foam provide precise body...
$1,299.00
diamond rally 3 mattress top view diamond rally 3 cooling foam cross section view
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CA King Mattresses, Diamond Mattress

Rally 3 - Medium 12" Cooling Foam Mattress

Diamond Mattress' Rally 3 is a 12-inch, medium-feel cooling foam mattress that delivers weightless feel and orthopedic support. Hyper-conductive Copper Bounce Foam & Responsive Gel Memory Foam provide precise body...
$1,299.00
diamond rally 3 mattress top view diamond rally 3 cooling foam cross section view
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CA King Mattresses, Diamond Mattress

Rally 3 - Plush 12" Cooling Foam Mattress

Diamond Mattress' Rally 3 is a 12-inch, medium-feel cooling foam mattress that delivers weightless feel and orthopedic support. Hyper-conductive Copper Bounce Foam & Responsive Gel Memory Foam provide precise body...
$1,299.00
diamond rally 3 mattress top view diamond rally 3 cooling hybrid cross section view
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CA King Mattresses, Diamond Mattress

Rally 3 - Firm 12" Cooling Hybrid Mattress

Diamond Mattress' Rally 3 is a 12-inch, firm-feel cooling hybrid mattress that delivers weightless feel and orthopedic support. Hyper-conductive Copper Bounce Foam & Responsive Gel Memory Foam provide precise body...
$1,299.00
diamond rally 3 mattress top view diamond rally 3 cooling hybrid cross section view
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CA King Mattresses, Diamond Mattress

Rally 3 - Medium 12" Cooling Hybrid Mattress

Diamond Mattress' Rally 3 is a 12-inch, medium-feel cooling hybrid mattress that delivers weightless feel and orthopedic support. Hyper-conductive Copper Bounce Foam & Responsive Gel Memory Foam provide precise body...
$1,299.00
diamond rally 3 mattress top view diamond rally 3 cooling hybrid cross section view
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CA King Mattresses, Diamond Mattress

Rally 3 - Plush 12" Cooling Hybrid Mattress

Diamond Mattress' Rally 3 is a 12-inch, plush-feel cooling hybrid mattress that delivers weightless feel and orthopedic support. Hyper-conductive Copper Bounce Foam & Responsive Gel Memory Foam provide precise body...
$1,299.00
diamond mattress onyx ice foam mattress side view diamond mattress onyx ice foam mattress cross section view
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CA King Mattresses, Diamond Mattress

Onyx Ice - Medium 14" Foam Mattress

Diamond Mattress' Onyx Ice is a 14-inch, medium-feel gel memory foam mattress that will keep you cool while providing optimal alignment and pressure relief. You will enjoy a weightless feel...
$1,699.00
diamond mattress onyx ice foam mattress side view diamond mattress onyx ice foam mattress cross section view
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CA King Mattresses, Diamond Mattress

Onyx Ice - Firm 14" Foam Mattress

Diamond Mattress' Onyx Ice is a 14-inch, firm-feel gel memory foam mattress that will keep you cool while providing optimal alignment and pressure relief. You will enjoy a weightless feel...
$1,699.00
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