20% OFF
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ribbon Select A Cause & Do Good While You Shop


New Beginnings Incorporation: Transitional Services

Children First Fund: The Chicago Public Schools Foundation

Global Peace Film Festival, Inc.

Gathimba Edwards Foundation

St Nicholas Uganda Children’s Fund

Thank you for choosing CharityName as your preferred charity. Once you checkout at www.diamondmattress.com by using any of our coupons, we will donate to CharityName on your behalf.

Store Info

  • sales


    Diamond Mattress is an American mattress manufacturer that has been producing high-quality mattresses since 1946. The company offers a wide range of mattresses, including memory foam, latex, hybrid, and innerspring mattresses. Diamond Mattress is committed to using sustainable materials and eco-friendly manufacturing processes to minimize its environmental impact.

  • shipping


    Diamondmattress.com offers free ground shipping within the continental US for orders over $399. For orders under $399, standard ground shipping costs $49. Expedited shipping options are available at an additional cost.

  • returns


    Diamond Mattress offers a 120-night sleep trial for their mattresses. If a customer is not satisfied with their mattress during this time frame, they can return it for a full refund. Additionally, Diamond Mattress offers a 10-year limited warranty for their mattresses.

  • support


    To contact support at diamondmattress.com, you can visit their support page at https://www.diamondmattress.com/support. Alternatively, you can call them at 1-800-592-8379 or email them at support@diamondmattress.com.

Shopping Tips

  • Payment Methods

    Diamondmattress.com accepts Visa, Mastercard, American Express, Discover, PayPal, and Affirm financing as payment methods.

  • Common Discounts

    Diamondmattress.com typically offers dollar amount off coupons, such as $50, $100, and $200 off, as well as percentage off coupons, such as 10% and 20% off.

  • Alternatives

    Alternative options to diamondmattress.com include Saatva, Casper, and Purple, which all offer varying levels of comfort, quality, and price range to customers.

  • Company Ethics

    Diamond Mattress partners with organizations like One Tree Planted and Good360 to plant trees and donate beds to those in need, while also utilizing sustainable materials and manufacturing processes.

Frequently Asked Questions (FAQ)

  • How do I apply Diamond Mattress Coupon Codes?

      1. Click on any of the diamond mattress coupon codes available above and copy the code appearing in the new window.
      2. Navigate to your shopping cart at diamondmattress.com and paste your copied coupon into the discount field on the checkout page. Then click Apply.

    how to apply code

      3. If no promo codes are currently available, you can click on the deal button which will automatically apply a discount at diamondmattress.com.
  • Does Diamondmattress.com offer loyalty rewards or gift cards?

    Diamond Mattress offers a loyalty rewards program called Diamond Rewards, which allows customers to earn points for every dollar spent on the website. Once a customer has accumulated 500 points, they can redeem them for a $25 gift card to be used on future purchases. The company also offers gift cards for purchase, with a minimum value of $50 and available in increments of $25. These gift cards can be used towards any purchase on the website, and there are no minimum spending thresholds required to redeem them.

  • How much can I save with Diamond Mattress Coupon Codes?

    There are currently 4 coupons codes and 2 deals active for diamondmattress.com and you can save up to 25% by using coupons listed on this page.

  • What are some other ways I can save money at Diamondmattress.com?

      ✔ Diamondmattress.com will sometimes post exclusive offers and deals on their Facebook, Twitter and Instagram accounts which we recommend following.
      Subscribe to the diamondmattress.com newsletter as they send out exclusive offers to their email subscribers.
      Wait 24 hours to checkout after adding items to your cart and check your email to see if you received an exclusive code.
      ✔ Shop on Black Friday, Cyber Monday, Holiday Events and End of Season Sales at diamondmattress.com to get the biggest discounts.
  • Do you offer cashback for shopping at Diamondmattress.com?

    Dealaid does not offer cashback and is a giveback platform that lets you pick a charity to which part of the affiliate commission we generate from your purchase at Diamondmattress.com goes to. You might still be eligible for cashback when using a cashback credit card to checkout depending on your provider's terms and conditions.

  • How do I donate to charity while shopping at Diamondmattress.com with DealAid?

      1. Click on one of the Diamond mattress coupon codes listed on this page.
      2. Select one of the non-profit organizations appearing in the new window or search for your favorite charity in the search box.
      3. Checkout at Diamondmattress.com and DealAid will donate a part of our affiliate commission to the charity you selected at the beginning of next month.
  • The codes I tried didn't work, why?

    There are a variety of reasons why some of the Diamond Mattress Coupon Codes didn't work when you tried applying them. Listed below are potential reasons:

      ➤ The code redemption limit has been reached and can no longer be applied.
      ➤ The code is no longer valid or has expired.
      ➤ The items in your cart are not applicable for the coupons applied. Some codes exclude certain items, brands and sales.
      ➤ You have not reached the total cart minimum ($) required for discount code to be applied.
  • Are there other promo codes that I can try at Diamondmattress.com?

    You can also try applying any of the frequently used discount codes (not guaranteed to work) by online retailers:

    WINTER15     FALL10     WELCOME     SAVE10     SAVE30     NEW     NEWYEAR     FREEDOM     JULY4     CM2023     SPRING25     SUMMER10

Top Five Diamondmattress.com Coupon Codes & Deals

Discount Description Code
SPECIAL Save Up To $100 On Select Beds *****
20% OFF Save 20% On Select Orders Of $45+ *****
SPECIAL Get $3 Discount On $50+ *****
35% OFF Save Up To 35% On Overstock Ring Candles *****
$20 OFF Get $20 Off With Code *****

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