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Luxury Firm
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On Sale
Mancini's Sleepworld Diamond Luxury Firm Mattress 11.5"-Eastern King
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In Stock
Mancini's Sleepworld Diamond Luxury Firm Mattress 11.5"
Why this Mattress?
- Built for the sleeper who needs real spinal support without giving up surface comfort
- 790 individually wrapped coils isolate motion all night long
- Stretch knit cover moves with you and softens the feel
- High-density foam base keeps the mattress from softening out early
- Firm pocketed coil core lifts the lumbar and holds it there
Overview
Mancini's Sleepworld Diamond Luxury Firm Mattress 11.5" Eastern King
The Mancini's Sleepworld Diamond Luxury Firm Mattress 11.5" is an innerspring mattress built for back sleepers and combination sleepers who want the best luxury firm innerspring mattress Eastern King size without sacrificing that first-touch softness. A heavyweight 4-way stretch polyester knit cover wraps a 1.5" super soft quilt foam layer that takes the edge off the firmness the moment you lie down. Beneath it, 1.5" of medium firm, high-density comfort foam contours just enough to ease hip and shoulder tension without letting the hips sink out of alignment. The pocketed coil system and shock-absorbing base foam underneath do the real work, keeping the spine long and the surface stable. Stop by any Mancini's Sleepworld location and our sleep specialists will put this side by side with every competing option so you can feel the difference yourself.
COMFORT AND FEEL: Luxury firm feel with a quilted surface softness and a coil core that pushes back with steady, centered support.
SIZE: This Eastern King sized mattress is designed for master bedrooms shared by couples or solo sleepers who want room to move freely through the night.
BEST SLEEP MATCH: Best for back sleepers and combination sleepers who want a luxury firm feel. The quilted top cushions pressure points while the pocketed coil core keeps the spine long and supported.
BEST FOR: Ideal for sleepers who wake up with lower back stiffness, need motion separation from a partner, or want lasting support that holds up over years of nightly use.
CONSTRUCTION SPECIFICATIONS: The stretch knit quilt layer gives you a soft landing without throwing off firmness. Medium firm high-density comfort foam contours lightly at the shoulders and hips. An 8" pocketed coil system with 790 individually wrapped springs absorbs motion independently. The shock-absorbing high-density base foam anchors the whole build so the support stays consistent.
SETUP AND COMPATIBILITY: Delivered flat with professional in-home setup included. Compatible with adjustable bases, platform frames, and standard box springs. No tools required on your end.
NOT A FIT FOR: Sleepers who prefer a plush or pillow-top feel may find this too firm. Not recommended for those who sleep exclusively on their stomach and need a softer surface.
YOUR SLEEP, BACKED BY US
Every mattress purchase at Mancini's Sleepworld comes with a 120-night comfort guarantee, our Rest Easy Promise that you have time to know this is truly the right bed. Add a premium mattress protector at checkout and that guarantee extends to a full 365 nights. You also get our Best Price Guarantee, free next-day delivery, professional in-home setup, and flexible financing. Come try it in any of our stores before you buy.
- SleepMatch: blue
Rest Easy Promise
Our promise to you.
- 365-Night Comfort Guarantee with purchase of a premium mattress protector
- Best Price Guarantee Find it lower and we’ll match it.
- Free Next-Day Delivery We’ll deliver to your door, set-up available.
- Double-Your-Warranty We match the manufacturer’s warranty.
Features
- SKU: BRK-DIA-E6M-LF-25
- MPN: 25WICOTM_FP66
- GTIN: 810146418894
- Brand: Mancini's
- Collection: Sleepworld
- Type: Innerspring
- Mattress In A Box: No
- Firmness: Luxury Firm
- Height: 11.5
- Length: 80
- Width: 76
- Shipping Height: 11.5
- Shipping Width: 80
- Shipping Length: 76
- Warranty: 14 Year
- Cover Material: Polyester Knit
- Quilting Layers: 1 1/2'' Super Soft Quilt Foam
- Comfort Layers: 1 1/2'' Medium Firm Comfort H.D. Foam
- Support System: 8'' 790 Pocketed coil, 3/4'' Shock Absorbing H.D. Base Foam
Specification
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Suitable For Adjustable Base: Yes
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Motion Separation: Yes
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Edge Support: Yes