Diamond Mattress Reviews

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Diamond mattress is a family run mattress company that has been in operation since 1946. Their big differentiator is that they actually make their own pocket coils and process their own memory foam. This is a bit different than many mid-tier mattress companies that may just order or layer things differently. Their specialty is pocket coil and innerspring mattresses, though they also build memory foam mattresses.

Mattress Score

Overall Score: 8.4/10

Customer Satisfaction: 8.4/10

Price Value: 8.7/10

No Back Pain: 8.4/10

Price: $599-2099

Trial Period: Depends on the mattress

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Diamond's Owner Satisfaction

Each of us need to read up on what customers are saying before we buy a product worth hundreds or thousands of dollars. That said, it can be a more difficult prospect when browsing countless brands and other sites. In our investigation of reviews and sentiment from customers, we discovered that sleepers give these mattresses above average scores. However, there are some complaints Make sure to look into the mattress specifics to learn if it will work for you.

Diamond's Supportiveness

Overall, these mattresses have above average supportiveness, which is refreshing for those struggling with the aches and pains of a sagging bed. That said, some people have reported that they don't feel well supported, so make sure that the firmness range is aligned with your body type.

Edge Support
Edge support is the measure of how well the mattress supports weight on the sides. These mattresses offer good supportiveness for most, but heavier folks may experience less than ideal edge support.

Diamond's Durability

Having a mattress that is highly durable can save you thousands. But sadly, these days, most things degrade faster as companies fight to find profits. Customers give mixed ratings when it comes to the longevity of these mattresses. Each bed is different so it may last years for you, but others may not be so lucky. Make sure to take look at some of the customer reviews to see if the mattress should work for you before purchasing.

Browse Diamond Customer Reviews

Fine so far

Not as good quality as I was expecting, but you get what you pay for.

Really good stuff

I can't complain about this bed -- I am really happy with it and it feels comfortable to me. The only annoyance was that the shipping was late getting to me.

It is an okay bed

I've had a diamond for a couple years and it is definitely an okay bed. My hubby likes it more than I do. I want something more luxurious.

Best bed I ever slept in.

My last three beds are diamond beds. Their longevity isn't as good anymore, but I still love their products and stand by them as a good bed!

Not durable

My bed started falling apart after only 3 months. It feels as if you are sleeping in a valley 10'' deep. We are not heavy people. After 9 months on the bed, we couldn't take it anymore.

Read this

We had two prior Diamond mattresses that we loved so we thought that we should get a third. We finally found a place with one and that is when the problems started. After only a month, it started to sag. It was like sleeping in a gutter. I called and they sent an inspector who said it was a 7/8 sag, which is within the normal range. The problem was when you get on it, it sags way worse. Sure, I am 200lbs and 6 foot, but my wife is the only 100lbs and the same thing was happening to her!

Initially too soft

Purchased the Ethos latex mattress 6 months ago. At first it seemed comfortable, but after 2 months we couldn't sleep on it. We rotated it but nothing helped. Every morning I woke up in terrible back pain. Then I found out that the latex wasn't even latex. 80% polyurethane foam, 6% rayon & 14% latex! This seems like blatant fraud to me as this was very expensive and we thought we were buying pure latex. Very dissappointing.

I love it!

I love soft beds and this one cradles me into a cocoon every night. I absolutey love the way it feels and think it is perfect if someone loves soft mattresses.

Needs time

Maybe it is too soft for me because I feel like it is taking my body some getting used to. But the materials seem to be high quality so I am hoping that my body adjusts.

No thanks

Just doesn't feel right for me. Luckily I was able to send it back right away and the customer service was good.


I am finally sleeping through the night again. I had an awful spring mattress and so happy that I opted to get a new latex bed.

I have purchased four mattresses

I have purchased four mattresses from them over the years and am getting ready to purchase a new one. Not that the others need replacing, they are still in great shape, they were left behind in a move unfortunately. Dollar for dollar you won't find a better mattress anywhere. They are incredibly fast as well.


HORRIBLE place. I called and spoke with a salesman 2 days before I went in because their store is about an hour away from where I live. I told them exactly what I needed (I needed a custom mattress for my RV). They gave me prices of 2 different mattresses and explained to me the difference. I thought the prices were fair so I showed up and Nick was completely unprofessional. When I told him which bed I was most interested in he quoted me a price almost $250 higher than what I was told just 2 days before. He told me that whoever told me that does not know what they are talking about and he was sorry. I told him sorry does not pay for my gas to get down here. Sorry does give me back the time that I lost. Again he said he was sorry and there was nothing he could do. I even had proof of the prices I was given. When I told him I was going to take my business elsewhere he said "you think you can find a custom mattress for cheaper". I told him I know I can. Later that same day I bought a custom RV mattress 60x72 for $400 including taxes. Plus the mattress I purchased elsewhere was softer, had thicker memory foam, included a cool gel memory foam and had a better warranty. Stay away from these guys. They have no clue what customer service is. The first guy I spoke with on the phone was great but when you get there it is a completely different story. They will jack up the prices at least 35%. Trust me there are better options out there for a custom mattress or a regular sized mattress. You would think getting it directly from the factory would be cheaper but that is definitely NOT the case here.

Don't waste your money

Don't waste your money on this product they won't stand behind it when it counts. I bought this mattress because the sales person told me they would back this product if there were any problems. Well five years into a twenty five year warranty the side seams have pulled apart and the memory foam has failed badly. they sent out a contracted inspector who;s only job is to deny claims not provide the customer with quality service. Save your hard earned money and buy anything else !

They aren't so helpful

They aren't so helpful with a warranty unless you live there. Don't buy these mattresses outside of Utah because they will tell you to send the mattress to them at your cost THEN they will determine if it qualifies under the warranty and they will "fix it". Then you pay to ship it back to your home, even if it falls under their scope of warranty. Bad customer service!

I've bought over 20 mattresses

I've bought over 20 mattresses through the years and my uncle bought hundreds. Ernie is the greatest. Can't believe how he can hoist a mattress on his back and carry it. Hope you are well!

I went here as a kid

I went here as a kid, the owner is a great guy. The location is the best

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