Beautyrest Harmony Diamond MediumBeautyrest Harmony Diamond Medium

Beautyrest® Harmony Lux Diamond Medium

(7 customer reviews)


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Product Features

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The brand new Beautyrest Harmony Lux Diamond Series Medium Pillowtop mattress available at Sleep Masters Canada. With the all new design, here are some of the key new features:

  • Cool Sleep – The new INFINICOOL LUX technology provides a cool sleep surface throughout the night ensuring that you fall and stay asleep
  • Advanced Pressure Relief – The combination of SURFACETOUCH gel memory foam, BEAUTYREST gel foam, MICRO DIAMOND memory foam and BEAUTYREST support foam provides an ultra-strong, highly conductive and supportive feel night after night
  • Precision Support System – The use of T2 Pocketed Coil technology features a dual-stranded coil for additional support in the long run.


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This mattress is available in the Greater Toronto Area only. Free shipping available within 7-10 business days. 

7 reviews for Beautyrest® Harmony Lux Diamond Medium

  1. Oscar

    Perfect balance between plush and firm. I am a heavier person and I sleep on my sides. This medium mattress has really helped me with my lower back pain. Thank you to sleep masters for this mattress.

  2. Katherine & Paul

    My husband and I don’t agree on much, but we certainly both approve with this mattress. It’s so comfortable and so supportive. You must try it to understand!

  3. Mesic

    Really high quality product and the perfect comfort level for me.

  4. Justin

    This is my 2nd mattress from Sleep Masters and again it is just beautiful. If you are someone who enjoys a medium comfort level this is probably the best mattress you can buy.

  5. Lee

    Purchased this for my son and he has mentioned how much he loves it non stop for a week. So I guess it’s good!

  6. Julie

    I waited for a couple of weeks before I review this mattress but this has gotten better with every night. Now I feel that my body has fully adjusted to my new mattress and I am sleeping better than ever!

  7. Robert

    Without a doubt the best mattress I have ever owned. A fair price when compared to other placed too.

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