GIA · Gübelin · Swiss manufacture

Crafted for a lifetime. And the next.

From GIA-certified diamonds to verified emeralds and Swiss grand complications — jewelry meant to accompany the moments that last, and pass from one generation to the next.

Discover
GIAEvery stone, certified
HauteSwiss watchmaking
PrivéBy appointment
The maison

11³ accompanies the moments meant to last — when a piece becomes more than adornment, and turns into memory.

We believe in jewelry worn today and inherited tomorrow. That is the house’s timeless gesture.

Diamond · Emerald · Watchmaking — for generations

The archive

Five worlds. One wish: that they endure.

High-jewelry pavé watch on velvet
01

High watchmaking

Complication, worn on the wrist — curated as a jewel-object for those who understand time in generations.

Discover →
Platinum diamond bracelet, high jewelry
02

Chains & necklaces

Brilliance that needs no occasion — platinum 950, 24k gold, and VVS pavé.

Discover →
D IF platinum solitaire, close-up
03

Diamonds

Light that does not fade — Type IIa, D/IF, and Ashoka, with GIA certification and full traceability.

Discover →
Diamond and emerald ring, high jewelry
04

Emeralds

Museum-grade green, made to stay — Muzo, no oil, with Gübelin report.

Discover →
High jewelry solitaire — private commission
05

Bespoke

Your story, in a piece that does not age — private commission, from the atelier to legacy.

Begin →

Featured pieces

Selected for those who seek more than a season.

High-grade diamonds on black background

The brilliance
of the essential

  • Diamonds

    The stone for a lifetime — D/IF, Type IIa, GIA certified.

  • Emeralds

    Color that endures — Colombian origin, no oil, Gübelin report.

  • Noble metals

    Gold and platinum for tomorrow’s gesture — 950 platinum, 24k and 18k gold.

  • Watchmaking

    Time on the wrist — grand complication, Swiss calibers, numbered edition.

  • Bespoke

    Your piece, step by step — private atelier, sketch, prototype, white-glove delivery.

Numbered edition

Three pieces.
One design.

Because the extraordinary need not repeat — when the final piece finds its home, the design rests in the archive.

01 available · Imperial Green Parure

Reserve a moment with the maison

We would be delighted to accompany you with the same discretion we bring to every piece.