Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Purple RejuvenatePremier
Black Diamond
Comfort
9.4/10
9/10
Support
8.9/10
8.8/10
Cooling
9.5/10
9.4/10
Edge Support
8.6/10
8.5/10
Motion Isolation
8.6/10
8.7/10
Durability
9/10
9/10
Value
6.8/10
8.2/10
Quick Specs Comparison
Spec
Purple RejuvenatePremier
Black Diamond
Price (Queen)
$6,370
$2,599
Type
Hybrid
Hybrid
Firmness
4.5/10
5/10
Height
15.5 inches
14"
Trial
100 nights
120 nights
Warranty
10 years
20-year limited
Shipping
Free delivery in 7-10 days; FSA/HSA eligible
Free delivery
Key Advantages
Why Choose Purple RejuvenatePremier
- Layered 2" + 2" grid produces progressive give — soft at first contact, supportive as you sink
- Medium-soft 4.5/10 feel that still holds the lumbar, which soft foam beds cannot manage
- Excellent for sleepers with shoulder, hip or joint pain who need cushioning without losing alignment
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