# Diamond Mattress Cashback — Compare Rates Across 2 Cashback Portals

> GotCashback.com tracks Diamond Mattress cashback rates across 2 cashback portals, updated 2026-07-31T01:32:12Z. Current best rate: **10.25%** via **SimplyBestCoupons.com**. This page is the agent-readable version of https://www.gotcashback.com/Stores/Diamond-Mattress/.

- Canonical HTML page: https://www.gotcashback.com/Stores/Diamond-Mattress/
- Store website: https://diamondmattress.com
- Data freshness: rates last checked 2026-07-31T01:32:12Z; rates change frequently — treat values older than 24 hours as stale and re-fetch.
- All rates apply to online purchases initiated through the portal's tracking link unless noted otherwise.

Discover Diamond Mattress cashback offering of up to up to 10.25% from 2 trusted cashback websites.

## Best Current Rate

| Field | Value |
|---|---|
| Best rate | 10.25% |
| Portal | [SimplyBestCoupons.com](https://www.gotcashback.com/Portals/SimplyBestCoupons/) |
| Rate type | flat |
| Cashback link | https://www.gotcashback.com/Click/SimplyBestCoupons/Diamond-Mattress/ |

## All Portal Rates

Sorted by cashback rate, highest first. Use the "Cashback link" URL to activate rate comparison and tracking.

| Portal | Cashback rate | End date | Conditions | Cashback link |
|---|---|---|---|---|
| [SimplyBestCoupons.com](https://www.gotcashback.com/Portals/SimplyBestCoupons/) | 10.25% | — | — | https://www.gotcashback.com/Click/SimplyBestCoupons/Diamond-Mattress/ |
| [Citi Shop](https://www.gotcashback.com/Portals/citishop/) | Up to 9.75% (up to) | — | — | https://www.gotcashback.com/Click/citishop/Diamond-Mattress/ |

## Rate History

Chart-ready JSON with historical best rates per portal:

- Last 12 months: https://www.gotcashback.com/Stores/Diamond-Mattress/History/Json/year/
- Last 30 days: https://www.gotcashback.com/Stores/Diamond-Mattress/History/Json/month/

## Terms & Exclusions

Common conditions for cashback (verify per portal before purchase):

- Cashback typically applies to orders initiated through the portal's tracking link; in-store offers, where available, are listed separately above.
- Gift card purchases usually do not earn cashback.
- Cashback is voided if another browser extension or coupon code claims the affiliate attribution.
- Tracking requires clicking through the portal link with ad/tracker blocking disabled.
- Portal-specific conditions are listed in the "Conditions" column above.

## How It Works

1. Compare rates in the tables above and pick a portal.
2. Follow the cashback link, sign in (or register) at the portal, and click through to Diamond Mattress from the portal.
3. Complete your purchase in the same session without visiting other coupon sites.
4. Cashback tracks in your portal account and becomes withdrawable after the portal's payout waiting period.

## FAQ

**How can I earn cashback on Diamond Mattress purchases through cashback portals?**
You can earn cashback on Diamond Mattress purchases by accessing the Diamond Mattress store through a cashback portal and completing your transaction as usual.

**Which cashback portals offer the best deals for Diamond Mattress purchases?**
Popular cashback portals like SimplyBestCoupons.com may offer competitive cashback rates for Diamond Mattress purchases.

**Are there any restrictions on earning Diamond Mattress cashback through cashback portals?**
Certain terms and conditions may apply when earning Diamond Mattress cashback through cashback portals, such as exclusions on certain products or categories.

**How long does it take for Diamond Mattress cashback to be credited to my account after a purchase?**
The time frame for Diamond Mattress cashback to be credited to your account may vary depending on the cashback portal and their processing times.

**Can I earn Diamond Mattress cashback on both online and in-store purchases through cashback portals?**
Some cashback portals may offer cashback on both online and in-store Diamond Mattress purchases, but it is advisable to check the specific terms for each portal.

**What should I do if my Diamond Mattress cashback does not track after a purchase through a cashback portal?**
If your Diamond Mattress cashback does not track after a purchase through a cashback portal, you may need to submit a claim with the portal's customer support team.

**Is there a limit to how much Diamond Mattress cashback I can earn through cashback portals?**
There may be limits or restrictions on the amount of Diamond Mattress cashback you can earn through cashback portals, so be sure to review the terms and conditions.

**What payment methods are eligible for earning Diamond Mattress cashback through cashback portals?**
Most payment methods should be eligible for earning Diamond Mattress cashback through cashback portals, but it is recommended to check for any specific exclusions.

**Are there any minimum purchase requirements to earn Diamond Mattress cashback through cashback portals?**
Some cashback portals may have minimum purchase requirements in order to earn Diamond Mattress cashback, so be sure to review the terms before making a purchase.

**Can I combine other discounts or coupons with Diamond Mattress cashback from cashback portals?**
In most cases, you may not be able to combine other discounts or coupons with Diamond Mattress cashback earned through cashback portals, as this could result in tracking issues.

**Do I need to register for an account with cashback portals to earn Diamond Mattress cashback?**
Yes, you will typically need to register for an account with cashback portals in order to earn Diamond Mattress cashback and track your transactions.

**How can I maximize my Diamond Mattress cashback earnings through cashback portals?**
You can maximize your Diamond Mattress cashback earnings by taking advantage of special promotions, bonus offers, and referring friends to the cashback portal.

**Are there any specific seasonal or holiday promotions for earning Diamond Mattress cashback through cashback portals?**
Some cashback portals may run seasonal or holiday promotions that offer increased cashback rates for Diamond Mattress purchases, so stay tuned for special offers.

**Can I earn Diamond Mattress cashback on all products available on the Diamond Mattress website through cashback portals?**
Earning Diamond Mattress cashback through cashback portals may be subject to exclusions on certain products or categories, so it's advisable to review the terms.

**What should I do if my Diamond Mattress cashback is not showing up in my cashback portal account?**
If your Diamond Mattress cashback is not showing up in your cashback portal account, you may need to reach out to the portal's customer support for assistance.

**How can I stay informed about the latest cashback offers and promotions for Diamond Mattress through cashback portals?**
To stay informed about the latest cashback offers and promotions for Diamond Mattress through cashback portals, you can sign up for email notifications or follow the portal on social media.

**Is Diamond Mattress cashback earned through cashback portals taxable?**
The tax implications of Diamond Mattress cashback earned through cashback portals may vary depending on your jurisdiction, so it's advisable to consult a tax professional for guidance.

**Can I earn Diamond Mattress cashback on gift card purchases through cashback portals?**
Cashback on gift card purchases, including Diamond Mattress gift cards, may be excluded from earning cashback through cashback portals, so be sure to check the terms.

**What happens if I return a Diamond Mattress product that I earned cashback on through a cashback portal?**
If you return a Diamond Mattress product that you earned cashback on through a cashback portal, the cashback amount may be deducted from your account or reversed.

**Are there any fees associated with earning Diamond Mattress cashback through cashback portals?**
There are typically no fees associated with earning Diamond Mattress cashback through cashback portals, but be sure to review each portal's terms and conditions for any exceptions.

## Related

- All stores index (HTML): https://www.gotcashback.com/Stores/
- Site index for agents: https://www.gotcashback.com/llms.txt
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---
*Machine-readable metadata*

```json
{
  "type": "CashbackStoreOffer",
  "store": "Diamond Mattress",
  "storeUrl": "https://diamondmattress.com",
  "canonical": "https://www.gotcashback.com/Stores/Diamond-Mattress/",
  "lastUpdated": "2026-07-31T01:32:12Z",
  "bestRate": {
    "advertised": "10.25%",
    "effectivePercent": 10.25,
    "tiered": false,
    "portal": "SimplyBestCoupons.com",
    "portalUrl": "https://www.gotcashback.com/Portals/SimplyBestCoupons/",
    "clickUrl": "https://www.gotcashback.com/Click/SimplyBestCoupons/Diamond-Mattress/"
  },
  "portalCount": 2,
  "portals": [
    {
      "name": "SimplyBestCoupons.com",
      "rate": "10.25%",
      "effectivePercent": 10.25,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/SimplyBestCoupons/Diamond-Mattress/"
    },
    {
      "name": "Citi Shop",
      "rate": "Up to 9.75%",
      "effectivePercent": 9.75,
      "tiered": true,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/citishop/Diamond-Mattress/"
    }
  ]
}
```