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About 440showroom

Atelier and showroom, 440showroom.

From gemstone procurement to design, production, sales, and aftercare.
We handle every step of the process.

440 / 440showroom

440 is a brand of original jewelry.
440showroom is an atelier and showroom that handles consultations for reforms and custom-made pieces, alongside showcasing the creative process and stories behind the jewelry.

How to Pronounce

The official reading of 440 is FOUR FOURTY.

Our Mission

Modern sensibility, and a timeless aesthetic.
We bring both to life with uncompromising quality.

With a deep understanding of the characteristics of gemstones, we create jewelry that is both functional and practical.
We aim to create pieces that become a long-lasting "signature" reflecting the owner's individuality.

Our Strengths

From procurement to tailoring and subsequent care, we have a system in place to handle it all consistently.

Designer

Based on our discussion, we will propose the optimal solution.

Takumi

Combining beauty and practicality, with meticulous attention to detail.

Gems / Materials

We select the finest stones and metals, identifying their unique characteristics to achieve optimal balance.

Why 440 showroom

  • One designer handles everything from consultation to design and tailoring
  • Extensive experience in reform/custom-made consultations
  • We do not mass-produce, valuing the unique story and sentiment behind each piece.

Reform Is Our Expertise

440showroom receives many inquiries about renovations.
We assess the condition of your home, carefully explain any points of concern, and propose solutions that you can proceed with confidently.
View Reform Page

Our Studio

440showroom

We provide a space where you can comfortably take your time to appreciate jewelry in a relaxed environment.
We value creating a comfortable place where you, our customer, can be the star.

Designer

Kanae Omori

Kanae Omori will carefully listen to your wishes and propose the optimal solution for you.

Considering the condition and characteristics of your jewelry, as well as how it's used in daily life, we will sincerely guide you through each step so you can proceed with confidence.

To date, I have been involved in over 2,000 design and reform projects.

Ready when you are

We will listen carefully to your story in a relaxed environment.