The Koh-I-Noor

The crown jewel of Marshall & Stewart
A bed of rare distinction, the Koh-I-Noor is not simply a place to sleep – it is a statement of refinement, craftsmanship, and indulgence. It represents the very summit of what Marshall & Stewart can create.
Koh-i-Noor luxury bed by Marshall and Stewart

“The Koh-i-Noor is the very summit of what we can create. I wanted to build a bed that redefined what people thought possible in sleep, one that would still feel extraordinary in a hundred years’ time.”
Brent Cooper, Founder

The Ultimate Mattress

The Foundation of Excellence
The Koh-I-Noor mattress is the embodiment of true luxury. At its heart lies a 3,000-spring system, each coil meticulously pocketed to move in harmony with the sleeper’s body. Around this core, layers of hand-teased, long-stranded horsetail fibre deliver buoyant support and remarkable breathability, wicking away moisture to keep your sleep environment perfectly balanced.
Nestled above are generous strata of pure lambswool, blended with cashmere and soft cotton, chosen for their ability to cradle the body in serene weightlessness. Two rows of traditional hand side-stitching, reinforced with a unique internal round-and-flat spring frame, preserve the bed’s elegant profile and ensure unyielding edge-to-edge support for decades to come.

A Divan Without Equal

The Koh-I-Noor divan is an achievement in engineering as much as in artistry. Beneath its tailored exterior rests a foundation of 20cm hourglass springs, hand-lashed by master craftsmen to create a platform of independent resilience.

Layers of hessian and horsetail bolsters are hand-sewn into place a labour-intensive process requiring exceptional skill and patience. This meticulous construction produces a divan of incomparable responsiveness, capable of amplifying the comfort of the mattress above.

The turned legs are available in an array of refined finishes, while the divan itself may be upholstered in fashionable fabrics of your choice, sourced from the world’s finest textile houses to suit the aesthetic of your bedroom.

The Marshall and Stewart Diamond Collection of six handmade luxury beds

Experience It for Yourself

No words can truly convey the sensation of sleeping on the Koh-I-Noor. To understand its mastery, you must lie upon it, feel its subtle responsiveness, and discover how it transforms rest into renewal.

This bed is available to experience exclusively at our London showrooms, where one of our sleep experts will guide you through a private consultation.

For many, the Koh-I-Noor is not just a purchase, it is the moment they discover what perfect sleep really feels like.

Book your sleep consultation

A Bed for Life, and Beyond

The Koh-I-Noor isn't just a purchase – it's an investment in decades of exceptional sleep. While mass-produced beds need replacing every 7-10 years, a Koh-I-Noor is built to serve multiple generations. When you calculate cost-per-night over its lifetime, it's not just competitive – it's incomparable.

Consider this: If you sleep 8 hours nightly, you spend 2,920 hours per year in bed. Over 30 years, that's 87,600 hours. Isn't your comfort, health, and well-being worth investing in?

The Koh-I-Noor is not merely a bed.
It is a legacy of British craft the rarest expression of sleep perfected.

Key Features & Benefits

Koh-i-Noor mattress and divan, side view
  • 3,000 individually pocketed springs: adaptive support in every position.
  • Available in four firmness options: tailored to your preference.
  • Unique round-and-flat spring frame: lasting shape retention and edge support.
  • Natural fillings: cotton, wool blended with cashmere, and hand-teased horsetail — breathable, moisture-regulating luxury.
  • Two rows of hand side-stitching: enduring craftsmanship and strength.
  • Handmade wool tufts and internally supported handles: resilience with ease of care.
  • Handmade timber frame with glued and screwed joints: robust construction for longevity.
  • 200mm hourglass springs, hand-lashed: responsive, independent support.
  • Hessian insulator and horsetail bolsters, hand-sewn into position: resilience and springiness.
  • Upholstered in your choice of the world’s finest fabrics with a range of elegant leg finishes: personalised to your style.
  • Centre core of hand-teased horsetail: Light yet supportive.
  • Layers of wool blended with cashmere: Indulgent softness with natural breathability.
  • Finished with wool tufts: Refinement in every detail.
  • Choice of fine natural fabrics and elegant leg designs: Bespoke to your home.