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Sold out ロシア産デマントイドガーネット(ホーステール認む) 0.457ct原石
Sold out 1 Russian Alexandrite loose stone (round cut, 1.3-1.6mm) {Multiple purchase discount available}
Sold out ロシア産デマントイドガーネット(ホーステール認む) 0.108ctルース
Sold out [On sale from 10pm on 5/5] Limited to 11 stones Russian Demantoid Garnet (2-2.3mm, round cut, with horsetail) 1 stone [Multiple purchase discounts available]
Sold out ロシア産デマントイドガーネット(ホーステール認む) 0.145ctルース
Sold out ロシア産アレキサンドライト 0.046ctルース
Sold out ロシア産フェナカイト 0.433ctルース
Sold out ロシア産フェナカイト 0.416ctルース
Sold out ロシア産フェナカイト 0.449ctルース
Sold out ロシア産フェナカイト 0.448ctルース
Sold out ロシア産フェナカイト 0.410ctルース
Sold out ロシア産フェナカイト 0.503ctルース
Sold out ロシア産フェナカイト 0.430ctルース
Sold out ロシア産フェナカイト 0.413ct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.