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Sold out K10PG ダイヤモンド 0.05ct 一粒ペンダント(ネックレス)
Sold out 高知県産血赤珊瑚 24.829ct 枝(原木)
Sold out ミッドウェー産さんご (珊瑚) 38.585ct原木(枝)
Sold out オレンジダイヤモンド 0.176ctルース(FANCY DEEP YELLOWISH ORANGE, I-1)
Sold out 奈良県天川村産レインボーガーネット(アンドラダイトガーネット) 1.926ctルース
Sold out 奈良県天川村産レインボーガーネット(アンドラダイトガーネット) 2.763ctルース
Sold out Pt850 ベネチアンチェーン ネックレス 約45cm スライドチェーン
Sold out K14WG ベネチアンチェーン ネックレス 約40cm
Sold out K18WG スクリューチェーン ネックレス 約45cm 長さ調整可能
Sold out [On sale July 29th at 10 PM] Limited to 4 stones! Dunilite from Kolonna, Sri Lanka, all stones come with a gemological certificate. (Multiple purchase discount available)

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.