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 Diamond Rally Medium Hybrid Cool Copper Gel Memory Foam 12" Mattress

$ 1,899.00
$ 1,519.00

Mattress Description

Diamond Rally Medium Cool Copper Gel Memory Foam 12" Mattress is a premium mattress designed and manufactured in Los Angeles, CA. It incorporates advanced technology and high-performance features to provide an exceptional sleep experience. The mattress combines the benefits of cool copper gel memory foam, a supportive base, and a cooling cover for a restful night's sleep.

Local Delivery

We provide free White Glove Delivery within Los Angeles County, including setup, removal of old mattress set, and packaging disposal.

Drop Shipping

Our drop shipping process is hassle-free and cost-effective. We ship anywhere in the U.S. (excluding Hawaii) with a standard flat rate of $200. Streamline your sleep and get a new mattress effortlessly. 

Key Features and Specifications:

  • Cool Copper Gel Memory Foam: The mattress is infused with cool copper gel memory foam, which helps regulate temperature, provides pressure relief, and offers antimicrobial properties for a clean and hygienic sleep surface.

  • Supportive Base: The mattress features a supportive base layer that provides stability and durability, ensuring long-lasting comfort and support.

  • Cooling Cover: The mattress is covered with a cooling fabric that enhances breathability and helps maintain a cool sleep environment, allowing you to sleep comfortably throughout the night.

  • Medium Firmness: The mattress has a medium level of firmness, making it suitable for a wide range of sleepers. It offers a balance of support and comfort, making it ideal for both side sleepers and back sleepers.

  • Certifications: The mattress uses CertiPUR-US certified foams, which are free from harmful substances such as ozone depleters, PBDE flame retardants, mercury, lead, and other heavy metals. The foams also have low VOC emissions, ensuring better indoor air quality.

  • Bed-in-a-Box: The mattress is conveniently compressed and shipped in a box, making it easy to transport and set up in your bedroom.

The Diamond Rally Medium Cool Copper Gel Memory Foam 12" Mattress is designed to provide a cool, comfortable, and supportive sleep surface. It is recommended for side sleepers and back sleepers who prefer a medium level of firmness. Experience the benefits of advanced sleep technology and enjoy a restful night's sleep with this premium mattress.

Mattress Size

Diamond Mattress provides a variety of sizes to fit any bedroom:

  • California King Mattress: 84" wide x 72" long
  • King Mattress: 76" wide x 80" long
  • Queen Mattress: 60" wide x 80" long
  • Full Mattress: 54" wide x 75" long
  • Twin XL Mattress: 39" wide x 80" long
  • Twin Mattress: 39" wide x 75" long

These sizes ensure comfort for both individuals and couples. Choose from spacious King or Queen sizes or compact Full, Twin XL, or Twin.

Diamond also offers sets including mattress and foundation:

  • King Mattress Set
  • California King Mattress Set
  • Queen Mattress Set
  • Full Mattress Set
  • Twin XL Mattress Set
  • Twin Mattress Set

Explore these options to find the perfect fit for your bedroom and enjoy a restful sleep on the Diamond Mattress.

120 Night, 100% Comfort Guarantee

At LA Mattress Store, your comfort is our guarantee across all brands. Not happy with your mattress within the initial 120 nights? Simply reach out to us for a one-time exchange. Your sound sleep and satisfaction remain our utmost priorities. For a complete understanding of this policy, please refer to the full policy here.

1-Year Price Guarantee

Shop your mattress at LA Mattress Store with utmost trust. We uphold our 1-year price guarantee - if you find a lower price at any local competitor*, we'll match it and refund 50% of the difference. This guarantee extends for a year after purchase, ensuring peaceful sleep with every rest. Full policy details are available here.

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Diamond Rally Medium Hybrid Cool Copper Gel Memory Foam 12" Mattress

Experience Unmatched Comfort with Diamond Mattress

Experience the perfect blend of opulence and ease with Diamond Mattress. Offering a spectrum of sizes to cater to your personal preferences and requirements, it promises tranquility in your slumber. From the spaciousness of a King to the practicality of a Twin, Diamond Mattress caters to all. Its exceptional quality and dedication to customer satisfaction distinguish it from the rest. Unveil the secret to restful and uninterrupted sleep with Diamond Mattress.

Could you explain the 20-Year mattress warranty?

Should a defect occur, Diamond will solely be responsible, and your only recourse under this warranty will be as follows: For the initial decade of ownership, we will provide a brand new Diamond replacement mattress at no cost to you. After the first ten years, Diamond commits to either fully repair and recover your Diamond Mattress, or replace it entirely. Read Details.

Choosing the Ideal Sheets for Your Diamond Mattress

When choosing sheets for your Diamond mattress, most sheet sets will be suitable. However, it's important to verify the pocket depth of the fitted sheet to ensure a proper fit. To ensure an ideal fit, we offer our exclusive line of sheet sets specifically crafted for Diamond mattresses. Experience a cozy and secure sleep with our specially designed sheet sets.