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Sold out [Sales End on Monday, January 12th] TV Anime "Tokyo Ghoul" x KARATZ Collaboration Touka Wakame Necklace

[Sales End on Monday, January 12th] TV Anime "Tokyo Ghoul" x KARATZ Collaboration Touka Wakame Necklace

Sold out [Sales start on Friday, April 24th at 10 PM JST] TV Anime "The Magical Girl and Evil Spirit Strive to Be the Best Together" x KARATZ Collaboration Original Illustration Heart Can Badge

[Sales start on Friday, April 24th at 10 PM JST] TV Anime "The Magical Girl and Evil Spirit Strive to Be the Best Together" x KARATZ Collaboration Original Illustration Heart Can Badge

Sold out [Sales begin April 29 (Wed) 10 PM] TV Anime "Dr. STONE" x KARATZ Jewelry Store Collaboration Mini Character Stickers

[Sales begin April 29 (Wed) 10 PM] TV Anime "Dr. STONE" x KARATZ Jewelry Store Collaboration Mini Character Stickers

coming soon 【12563844掲載】ゴールデンジルコン 0.752ctルース

【7/30 22時販売】タンザニア産ゴールデンジルコン 0.752ctルース 鑑別書 Sale price¥12,800
coming soon 【12563836掲載】アメリカ産レッドベリル 0.099ctルース

【7/31 22時販売】アメリカ産レッドベリル 3.1mm/0.099ctルース 鑑別書 Sale price¥27,800
coming soon 【12558272掲載】ブラジル産メデューサクォーツ（パライバクォーツ） 0.456ctルース

[12558272 listed] Brazilian Medusa Quartz (Paraiba Quartz) 0.456ct Loose Sale price¥9,800
coming soon [Posted as 12563888] German Hauyne, 0.081ct Loose Gemstone

[Posted as 12563888] German Hauyne, 0.081ct Loose Gemstone Sale price¥33,800
coming soon 【12563837掲載】ナイジェリア産マンダリンガーネット 0.750ctルース

【7/30 22時販売】ナイジェリア産マンダリンガーネット 0.750ctルース 鑑別書 Sale price¥22,800
coming soon 【12563752掲載】タンザニア産カラーチェンジウィンザーサファイア 0.621ctルース

[Item 12563752] Tanzania Color-Change Winza Sapphire, 0.621ct Loose Sale price¥29,800

KARATZ Custom Made

Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.

KARATZ・Five Commitments

So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.

KARATZ's Initiatives and Social Contributions

We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.

KARATZ Books

These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.

jeweler's tools

For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.