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Sold out モンゴル産バイカラーアンデシン 1.253ctルース
Sold out モンゴル産カラーチェンジアンデシン 1.416ctルース
Sold out モンゴル産アンデシン 1.408ctルース
Sold out [Sakura Cut] Mongolian Andesine 8.0mm/1.652ct Necklace
Sold out 【さくらインカット】モンゴル産アンデシン 8.0mm/1.652ctルース
Sold out 【ダンデライオンカット】モンゴル産カラーチェンジアンデシン 6.0mm/0.774ctルース
Sold out モンゴル産アンデシン 1.354ctルース
Sold out [Sakura In-Cut] Mongolian Color Change Andesine 6.0mm/0.655ct Loose Stone
Sold out 【クローバーインカット】モンゴル産カラーチェンジアンデシン 6.0mm/0.608ct《コラボ》ルース
Sold out バイカラーアンデシン 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.