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Benitoite 0.095ct loose Sale price¥18,800

Benitoite 0.091ct loose Sale price¥22,800

Red beryl 0.096ct loose Sale price¥22,800

coming soon アメリカ産オレゴンサンストーン 1.903ctルース
coming soon アメリカ産オレゴンサンストーン 1.664ctルース
coming soon アメリカ産オレゴンサンストーン 1.197ctルース
Sold out アメリカ産オレンジベニトアイト 0.035ctルース
Sold out アメリカ産アントヒルガーネット 0.392ctルース
Sold out モンタナサファイア 0.331ctルース(バイカラーサファイア)
Sold out アメリカ産ペリドット 0.803ctルース
Sold out US Benitoite 0.148ct Loose Stone (Emerald Cut) with Gem Identification Report
Sold out アメリカ産レッドベリル 0.099ctルース
Sold out アメリカ産ネプチュナイト 0.199ctルース
Sold out アメリカ産オレゴンサンストーン 1.441ctルース
Sold out アメリカ産オレゴンサンストーン 1.389ctルース

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.