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 Diamond Justice Medium Tight Top 7" Mattress

$ 499.00
$ 399.00

Mattress Description

Experience the Comfort of the Diamond Justice Medium Tight Top 7" Mattress

Designed and made in the USA (Los Angeles, CA), the Diamond Justice Medium Tight Top 7" Mattress delivers top-tier comfort and support, promising rejuvenating sleep.

Key Features:

  • 312 Bonnell Coil System: This coil system provides reliable support across the entire mattress, ensuring an evenly distributed sleeping surface for a balanced sleeping experience.
  • Body Balance Foam: Designed to contour your body, the Body Balance foam delivers precise support, alleviating pressure points and enhancing comfort.
  • Natural Fibers: The use of natural fibers enhances breathability and moisture management, contributing to a cool and comfortable sleep.
  • Blended Comfort Layers: These layers work in harmony to provide a medium comfort feel, striking the perfect balance between softness and support.
  • Soft, stretch knit fabric: This adds a luxurious touch to the mattress, enhancing your comfort every time you lie down.
  • Great for trundles and daybeds: This mattress is an ideal choice for trundles and daybeds, thanks to its compact design and comfort level.

This mattress is recommended for back and stomach sleepers who need a consistent level of firm yet comfortable support.


All the foams in this mattress are CertiPUR-US® certified, ensuring they are safe and non-toxic. They are made free from harmful substances like ozone depleters, PBDE flame retardants, mercury, lead and other heavy metals, formaldehyde, and phthalates regulated by the Consumer Product Safety Commission. These foams also have low VOC (Volatile Organic Compound) emissions for better indoor air quality (less than 0.5 parts per million).

Sink into the inviting comfort of the Diamond Justice Medium Tight Top 7" Mattress and start every day feeling utterly refreshed and revitalized!

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 Justice Medium Tight Top 7" 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.