London  ·  Est. 1992  ·  The Stone Age Collection

Comfortable under pressure.

Premium essentials. Designed for timeless motion.

Join the waitlist Discover the Marble Club
Noir Noir
Aqua Aqua
Sapphire Sapphire
Timeless motion· Comfortable under pressure.· Sustained durability· The Stone Age Collection — three colourways· Sculpted fit. Considered fabric.· Timeless motion· Comfortable under pressure.· Sustained durability· The Stone Age Collection — three colourways· Sculpted fit. Considered fabric.·
The essential boxer

The Stone Age Collection

Timeless motion. Considered from the ground up.

Three colourways crafted to the same exacting standard — Noir, Aqua and Sapphire. Essentials designed to move with you, built to last beyond the moment.

Noir
The Stone Age Collection
Noir
£30
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Aqua
The Stone Age Collection
Aqua
£30
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Sapphire
The Stone Age Collection
Sapphire
£30
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Sculpted fit
Engineered for movement. Holds its shape without restriction.
Breathable premium fabric
Temperature-regulating composition. Comfortable across conditions.
Reinforced waistband
Structured, branded band. Built to last the life of the boxer.
Membership

The Marble Club

More than a subscription — a membership. Priority access. Structured delivery. Founding status.

Members first
Priority Access
Early access to new colourways and limited releases before public availability.

Members move first.
Structured Delivery
Curated essentials delivered on a controlled schedule. No overproduction. No excess.

Intentional consumption.
Founding Member Status
Early members are recognised as founding members of the Club.

Entry at the beginning.
Member-Only Releases
Select future releases reserved exclusively for Marble Club members.

Not everything is public.
Direct Brand Access
Early communication, private updates, and insight into the brand’s development.

Closer to the brand.
Curated Partner Access
Access to a growing network of curated partner benefits aligned with the brand’s standards.

More to come.
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Our story

Value is often hidden in plain sight.

Marbles & Diamonds London draws its name from a simple story.

Two young children in Africa playing a game of marbles — unaware they were holding diamonds.

It is a reminder that value is often hidden in plain sight. That what appears ordinary can, in fact, be exceptional.

The brand was built on that philosophy.

We design essentials with intention. Pieces that feel understated, yet perform when it matters. Crafted for sustained durability, refined comfort, and timeless motion.

Comfortable under pressure.

Built with
intention.
Designed
to last.
Our mission

As the brand grows, so does its responsibility.

A portion of every purchase supports long-term opportunity for disadvantaged young people — beginning in Ghana — with the goal of expanding access to technology and education over time.

Built with intention. Designed to last.

Early access

Be first to move.

Early access. Limited drops. Founding member benefits.

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