Online Jewelry Store "Mico Jewelry Store Opens Atelier in Kodenma-cho, Tokyo

~Offering encounters with vintage jewelry and rare stones, opening by appointment only on February 13~.

2026.02.13 09:00

Sweet Compass株式会社

Mico Jewelry Store, an online jewelry store operated by Sweet Compass K.K. (Location: Chiyoda-ku, Tokyo; CEO: Mihoko Hatae), will open its atelier in Kodenma-cho, Tokyo, on February 13, 2026. To celebrate the opening, the store will introduce carefully selected special collections including vintage Cartier, Van Cleef & Arpels, and rare Paraiba tourmalines. We hope that you will be able to actually hold the items in your hands and spend a moment to select them at your leisure.

アトリエ外観

Exterior view of the atelier

アトリエ内観

Interior view of the atelier

We want to deliver value that cannot be conveyed online.

In recent years, with the expansion of the e-commerce market, online purchases have been increasing in the jewelry field as well. On the other hand, expensive vintage jewelry and rare gemstones have intrinsic values such as "brilliance," "depth of color," and "texture" that cannot be conveyed through photographs alone. In particular, we believe that the true value of rare stones such as Paraiba tourmaline and alexandrite, which are attracting attention not only for their beauty but also as investment targets, can be understood only by seeing them in person.

Mico Jewelry Store has been offering high quality jewelry as an online store, but we decided to open an atelier to allow customers to actually hold the jewelry in their hands and see it for themselves. We hope you will take your time and enjoy the charm of our jewelry at our atelier, which is located in a quiet environment in Kodenmacho, easily accessible from Nihonbashi and Ningyocho.

Special Collection to Commemorate the Opening

-The sparkle of carefully selected vintage jewelry for you

To celebrate the opening of the atelier, we have prepared the following special collections. The following special collections are all rare and rarely available in the market.

Vintage Cartier Corinthian

Cartier's vintage rings are characterized by cabochon-cut emeralds and pave-set diamonds. The timeless design and reliable quality of this ring are appealing.

ヴィンテージカルティエコリント

Vintage Cartier Corinthian

Mikimoto choker necklace

This line is a collaboration with designer Itsuko Ueda, a member of the imperial family. This is a special product that combines Japanese sense of beauty and sophisticated design.

ミキモトチョーカーネックレス

Mikimoto Choker Necklace

Paraiba tourmaline earrings from Batalha, Brazil

Paraiba tourmaline is a dark, neon-toned gem that is hard to find nowadays. The Batalha mine in Brazil has already closed, and Paraiba of this quality is expected to become increasingly rare in the future.

ブラジルバターリャ産パライバトルマリンピアス

Paraiba Tourmaline Earrings from Batalha, Brazil

Brazilian alexandrite half eternity ring 0.72ct

The alexandrite is a powerful 0.72ct, large in size and of the highest quality in every piece. You can enjoy the mysterious brilliance of the color that changes depending on the light source.

ブラジル産アレキサンドライトハーフエタニティリング