Project Description

Precious Diamond mattress

The Precious Diamond mattress in the Beautyrest Black by Simmons collection provides firm support and adapted comfort.

Made in France Garantie 7 ans
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  • Deeply restful sleep at an ideal temperature, due to the association of natural luxury materials (cashmere, linen, pure new wool and silk) with thermo regulating properties and Dacron® Quallofil® wadding.
  • A floating sensation: Memory foam follows the contours of your body to envelop you in softness.
  • Soft support: Elivéa® high resilience foam reduces pressure points.
  • Long term support: Tufting keeps the filling of the mattress perfectly in place.
  • Available (as an option) with ticking in 100% organic cotton certified by GOTS (Global Organic Textile Standard).


Top side:

  • 3,420 pocket springs and rolled steel edge support;
  • 17 tufts (for a 160x200cm mattress);
  • Silky feel ticking (52% viscose, 20% Biosens, 17% cotton and 11% polypropylene);
  • Dacron® Qualofill® wadding (300g/m²);
  • Alpaca (100g/m²);
  • Cashmere, linen, silk (100g/m²);
  • Flexible comfort foam (30mm);
  • Memory foam (20mm);
  • Pure new wool (1 kg/m²);
  • Firm support: Elivéa® foam (40mm);
  • Soft support: Memory foam (40mm).


  • Support foam (10mm);
  • Non-slip Tript’Air® 3D fabric

Other products available