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coming soon アメリカ産レッドベリル 0.160ctルース
coming soon Mozambique Aquamarine 0.216ct Loose Stone
coming soon アメリカ産ペリドット 0.339ctルース
coming soon イエローサファイア 0.287ctルース
coming soon ピンクサファイア 0.202ctルース
coming soon フラワークォーツ 6.928ctルース
coming soon メキシコ産オパール 1.803ctルース
coming soon シトリン 5.121ctルース

Sphene 0.503ct loose stone Sale price¥5,980

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.