Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Purple RestorePlus Hybrid
Black Diamond
Comfort
9.2/10
9/10
Support
9/10
8.8/10
Cooling
9.5/10
9.4/10
Edge Support
8.5/10
8.5/10
Motion Isolation
8.1/10
8.7/10
Durability
9/10
9/10
Value
8.1/10
8.2/10
Quick Specs Comparison
Spec
Purple RestorePlus Hybrid
Black Diamond
Price (Queen)
$2,940
$2,599
Type
Hybrid
Hybrid
Firmness
5/10
5/10
Height
13 inches
14"
Trial
100 nights
120 nights
Warranty
10 years
20-year limited
Shipping
Free shipping; in-home setup and old mattress removal available as a paid add-on
Free delivery
Key Advantages
Why Choose Purple RestorePlus Hybrid
- 3 inches of GelFlex Grid — enough depth that heavier sleepers and side sleepers do not bottom out
- 3-zone coil unit adds real lumbar reinforcement and shoulder accommodation over the standard Restore
- Same open-lattice cooling as the rest of the range: no foam contacts the body
Why Choose Black Diamond
- Ice Flex Cooling Technology provides outstanding temperature regulation
- Premium hybrid construction with individually wrapped coils for targeted support
- Multiple comfort options (Plush, Medium, Firm) to match your preference