Sterling Sleep Systems are Simple to Setup, Firmness-adjustable, Luxuriously Comfortable and Eco-friendly

Imperial 4-Diamond 620 Plushtop Innerspring Mattress

Imperial 625 Pillow Top Mattress

Mattress and Foundation sold separately.
Foundations may be selected at the bottom of the page

To download or print a copy of the bed specs below, click hereand it will appear in a new window.

The Sterling Imperial 4-Diamond plush top mattress delivers superior comfort and luxury to your customers while saving you time and money.

With a sustainable construction and interchangeable parts, you can quickly and easily clean the mattress inside and out and treat for bed bugs using harmless food-grade diatomaceous earth inside the bed.

Made with Leggett & Platt’s 6” fabric-encased innerspring unit, the Sterling Imperial 4-Diamond mattress is a long-lasting option you won’t have to replace often.

4-Diamond features:

Fully foam-encased & edge support
Modular construction with removable, replaceable components
Antibacterial and antimicrobial protection
12” mattress height, including 6” fabric-  encased coils and a replaceable 1” foam comfort layer
Earns two LEED points: one for recycled content and the second for sustainable design • 10-year warranty



  Dimensions and Coil Counts      Coil Counts with  & without foam encasement
Twin  38"x75" 312/435
Twin XL 38"x80" 312/465
Full 54"x75" 468/609
Queen 60"x80" 609/744
E King 76"x80" 756/930
Cal King 72"x84" 780/928


  Total Bed Height 
Mattress  12"
Foundation 8"
Metal bed frame 7"
Total bed height = 27"

All Sterling Sleep System mattresses meet the 1632, 1633 Federal Flammability Standards and California TB603.
U.S. patents: 7,191,483 and 7,386,903.
Other patents pending.
Sterling Sleep Systems • 7311 Doig Dr., Garden Grove, CA 92841 • 888.281.2817 •
Base Price: $1,819.00 Your Price: $1,819.00
  • Queen = 60x80