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Diamond Mattress Black Diamond Hybrid vs Purple RestorePlus Hybrid Mattress

Detailed side-by-side comparison — pricing, specs, performance ratings, and our pick.

Diamond Mattress Black Diamond Hybrid mattress — image courtesy of Diamond Mattress
Diamond Mattress
Black Diamond Hybrid
$2,599
$3,399 reference
Queen
Check price at Diamond Mattress
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Purple
RestorePlus Hybrid Mattress
$3,149
$3,299 reference
Queen
Check price at Purple
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or
We only contact you about this product. One alert, then we stop.
Feature
Diamond Mattress
Black Diamond Hybrid
Purple
RestorePlus Hybrid Mattress
Overview
Type
HybridHybrid
Firmness
Published feel or standardized wording
Plush, Medium, FirmMedium-Soft
Queen Price
Current / sale price
$2,599$3,149
Trial Period
Terms from the linked seller
120 nights at Diamond Mattress; 30-night minimum; $99 fee100 nights at Purple
Warranty
20 years10 years
Performance Ratings
Cooling
Hot sleepers
ExcellentExcellent
Motion Isolation
Partners, light sleepers
Very goodVery good
Pressure Relief
Shoulder and hip cushioning
Very goodExcellent
Edge Support
Sit/sleep near edge
Very goodVery good
Durability
Long-term performance
Very goodVery good
Compatibility & Features
Adjustable Base
Head/foot elevation
✓ Yes✓ Yes
Split King Support
Two Twin XL per couple
✓ Yes
Dual Comfort Zones
Different firmness per side
Smart Features
App, sensors, auto-adjust
Financing
AvailableAffirm
Materials & Certification Scope
Listed certifications / claims
Check model and material scope
  • CertiPUR-USpolyurethane foam program; not whole-mattress certification
  • GREENGUARD Goldchemical-emissions program; not organic certification
  • Clean Air Goldconfirm the program, exact product and scope
  • CertiPUR-USpolyurethane foam program; not whole-mattress certification
Certificate limitations
Not an odor or safety guarantee
Confirm the certificate for the exact model and covered materials. A material certificate does not certify every part of a mattress or guarantee no odor.Confirm the certificate for the exact model and covered materials. A material certificate does not certify every part of a mattress or guarantee no odor.
Best For
Ideal sleeper profiles
  • Hot sleepers
  • Couples
  • Combination sleepers
  • Stronger edge support
  • Back
  • Side
  • Combination
  • Hot sleeper
Actions
Full ReviewCheck price at Diamond Mattress

Buy with confidence

120-night comfort guarantee at Diamond Mattress

Our Pick

Need Help Deciding?

For most sleepers, we recommend the Diamond Mattress Black Diamond Hybrid over the Purple RestorePlus Hybrid Mattress. It scores higher in price-to-value and offers strong overall value at $2,599 (vs $3,149). The Purple RestorePlus Hybrid Mattress is the better choice only if you have a strong preference for that brand's specific feel or design.

Still deciding? Take our 2-minute mattress quiz →

Diamond Mattress Black Diamond Hybrid vs Purple RestorePlus Hybrid Mattress: What Actually Differs

Both the Diamond Mattress Black Diamond Hybrid and Purple RestorePlus Hybrid Mattress are hybrid mattresses, so the real differences come down to firmness tuning, performance ratings, and price rather than construction type. The Diamond Mattress Black Diamond Hybrid stands 14" tall versus 13" for the Purple RestorePlus Hybrid Mattress — a 1.0" gap that matters if you need deep-pocket sheets or are pairing with an adjustable base. The single largest performance gap is in pressure relief: the Purple RestorePlus Hybrid Mattress rates noticeably higher than the Diamond Mattress Black Diamond Hybrid, which is the deciding factor if that dimension is high on your list. On a Queen, the Diamond Mattress Black Diamond Hybrid runs $2,599 versus $3,149 for the Purple RestorePlus Hybrid Mattress — roughly $550 (17%) less, which is enough to factor into the decision unless the pricier model wins clearly on the specs you care about.

Which Is Better For Your Sleep Style?

Side sleepers
Purple RestorePlus Hybrid Mattress

Higher pressure-relief rating, which is what protects hip and shoulder contact points in the side position.

Back sleepers
Diamond Mattress Black Diamond Hybrid

Plush, Medium, Firm includes the option closest to a balanced medium feel for back sleepers (vs Medium-Soft).

Stomach sleepers
Diamond Mattress Black Diamond Hybrid

Plush, Medium, Firm includes the firmer published option (vs Medium-Soft), which may better suit shoppers who prefer more surface support.

Hot sleepers
Either works

Cooling rated the same on both — neither has a heat-management edge in our spec data.

Heavier sleepers (230+ lb)
Either works

Durability and edge-support ratings are equivalent — either holds up.

Lighter sleepers (under 150 lb)
Diamond Mattress Black Diamond Hybrid

Plush, Medium, Firm includes the softer published option (vs Medium-Soft), which can make contouring easier for lighter sleepers.

Couples / light sleepers
Either works

Motion isolation rated the same on both — neither has a transfer-disturbance edge.

Price Comparison (Queen)

MattressReferenceCurrentSale?
Diamond Mattress Black Diamond Hybrid$3,399$2,599Save $800
Purple RestorePlus Hybrid Mattress$3,299$3,149Save $150

The Diamond Mattress Black Diamond Hybrid is the budget choice at $2,599$550 less than the Purple RestorePlus Hybrid Mattress ($3,149). That's a 17% gap, which is worth weighing against the spec differences before deciding which delivers better value for your situation. Both are currently below their listed comparison prices.

Diamond Mattress Black Diamond Hybrid

Strengths

  • Three firmness choices cover a wider range of comfort preferences
  • Cooling cover, Ice Flex bands, and titanium-infused memory foam target heat buildup
  • Wrapped coils and foam perimeter reinforcement support airflow and edge stability

Considerations

  • Costs more than Diamond's Flurry Lux Cooling Hybrid
  • The 14-inch profile may call for deep-pocket sheets
  • The manufacturer lists split-head King options rather than a standard Split King size

Purple RestorePlus Hybrid Mattress

Strengths

  • Deeper grid than Restore
  • Strong pressure relief for hips and shoulders
  • Hybrid airflow and support
  • Zoned coils provide targeted support

Considerations

  • Not offered in standard Twin
  • Premium price tier
  • Softer feel may not fit shoppers wanting firm support

Who Should Buy Which?

Choose the Diamond Mattress Black Diamond Hybrid if you…

  • Budget-conscious shoppers
  • Longer linked-seller trial
Check price at Diamond Mattress

Choose the Purple RestorePlus Hybrid Mattress if you…

  • Side sleepers / pressure relief
Check price at Purple

Diamond Mattress Black Diamond Hybrid

Purple RestorePlus Hybrid Mattress

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