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Monday 9am - 5pm Tuesday 9am - 5pm Wednesday 9am - 5pm Thursday 9am - 5pm Friday 9am - 5pm

Diamond Mattress

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United States
Long Beach, CA
Diamond Mattress

Diamond is about family values, honesty, integrity and making the highest quality mattresses at great values.

As a 4th Generation family-owned and operated company, we are proud of our heritage and strive to continue the values set forth by my Great Grandparents over 65 years ago in 1946. To create a company based on honesty, integrity and making the highest quality mattresses at great values. Today my father, my sister, myself and everyone at Diamond Mattress strive to do just that.

04/29/2026

🇺🇸 MEMORIAL DAY SALE 🇺🇸
✅ 50% OFF Tailor Classic bed
✅ $1000 OFF Select Mattresses
✅ FREE Shipping + FREE Trial

05/07/2025

The Science of Sleep: Why Your Mattress Matters

Did you know that after just one night of poor sleep, your brain’s ability to retain new information drops by up to 40%? 😴📉

We believe your mattress isn’t just a place to sleep—it’s the foundation of your health and well-being. From spinal alignment to pressure relief, the right mattress ensures your body gets the deep, restorative rest it needs to thrive.

🛏️ Better sleep = better health, sharper focus, and longer life.

03/27/2025

Certified for Healthier Homes 🌱🛏️
At Diamond Mattress, we take health and sustainability seriously, ensuring our entire product line meets the highest safety and environmental standards.

✅ Healthier Air Quality – Our mattresses help reduce indoor air pollution, creating a cleaner, safer sleep environment.
🏅 GreenGuard Gold Certified – The most stringent certification for low chemical emissions—because our customers deserve the best.
🚫 No Harmful Chemicals – Our foams are made without formaldehyde, ozone depleters, or other toxins that do not belong in a bedroom.
👨‍👩‍👧‍👦 Safe for Families – Designed to protect children, the elderly, and sensitive individuals from harmful off-gassing.
🌍 Eco-Friendly Manufacturing – Because great sleep should not come at the expense of the planet.

05/26/2023

Happy Memorial Weekend 🇺🇸 Free Bedding Bundle (up to $285 value) with best selling mattress purchase

11/22/2022

BLACK FRIDAY STARTS NOW! $200 OFF SELECT MATTRESSES + 2 FREE MEMORY FOAM PILLOWS

Flurry Luxury Cooling Mattress
Sage Organic Mattress
Tailor Affordable Comfort Mattress
Lagoon Sustainable Mattress

Shop NOW https://diamondmattress.com/collections/online-exclusive-mattresses

07/26/2022

Hand-crafted with luxurious, eco-friendly materials, the Ethos Cove Hybrid mattress from Diamond Mattress naturally delivers a more restorative environment for your sleep and the planet.

07/20/2022

Everybody is unique. That’s why we offer the widest range of firmness and layering options within our mattresses, so everyone can find comfort that feels just right. 💎

07/16/2022

Naturally better. Hand-crafted with luxurious, eco-friendly materials, the Ethos Natural Hybrid naturally delivers a more restorative environment.

07/13/2022

The Grateful mattress supports you perfectly with our...

- Signature dynamic edge coil system.
- Layered with cooling Gel Memory Foam
- Comfort layers that provide pressure relief
- Contouring and motion separation to lull you into deeper sleep.

07/08/2022

Ultra Soft Sheet Set made of Moisture Wicking, Soft-Touch Fabric.

Address

3112 E Las Hermanas Street
Long Beach, CA
90221

Opening Hours

Monday	9am - 5pm
Tuesday	9am - 5pm
Wednesday	9am - 5pm
Thursday	9am - 5pm
Friday	9am - 5pm

Website

http://www.diamondmattress.com/

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