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Sold out Limited to 4 sets: Sri Lankan sapphire (2.5mm, round cut) and Sri Lankan glass body set of 2 stones. Discounts available for multiple purchases.
Sold out Limited to 14 stones: 1 Santa Maria aquamarine (March birthstone, average 0.39ct) Multiple purchase discounts available
Sold out Limited to 5 stones: 1 loose blue-green apatite stone from Madagascar. Discounts available for multiple purchases.
Sold out Limited to 3 stones: 1 neon blue apatite loose stone from Madagascar (Sangé cut) Multiple purchase discounts available
Sold out Limited to 5 stones: 1 Brazilian Alexandrite loose stone (round cut, 1.3mm) Multiple purchase discounts available
Sold out Limited to 13 stones: 1 red spinel rough stone from Myanmar. Discounts available for multiple purchases.
Sold out Limited to 7 stones: 1 Hokkaido rhodochrosite loose stone (4mm, rose cut) Multiple purchase discounts available
Sold out Kyanite from Nepal, 1 loose stone (indigo blue color, 4 x 6 mm, emerald cut) {Multiple purchase discount available}
Sold out [Sales end on Sunday, May 10] Anime "Assassination Classroom" x KARATZ Collaboration Koro-sensei Model Pendant Top
Sold out [Sales end May 10 (Sun)] Anime "Assassination Classroom" x KARATZ Collaboration Koro-sensei Model Earring (Single)
Sold out 【12524977掲載】タンザナイト 1.67ctルース
Sold out Royal blue sapphire 0.203ct loose DGL appraisal
Sold out 【12524990掲載】ロイヤルブルーサファイア 0.42ctルース
Sold out 【11524995掲載】モザンビーク産パライバトルマリン 0.43ctルース
Sold out Benitoite 4.0mm/0.34ct loose
Sold out 【11524997掲載】ベニトアイト 0.21ctルース
Sold out ブルーオパール 4.39ctルース
Sold out ジンバブエ産ユークレース 0.13ctルース
Sold out Brazilian Euclase 0.28ct loose
Sold out K18血赤珊瑚0.81ct・アコヤ真珠リング - カラッツSTORE
Sold out K18血赤珊瑚0.45ct リング - カラッツSTORE
Sold out K18血赤珊瑚1.16ct リング - カラッツSTORE
Sold out K18血赤珊瑚0.62ct リング - カラッツSTORE
Sold out K18血赤珊瑚1.12ct・ルビーリング - カラッツSTORE
Sold out K18血赤珊瑚0.29ct リング - カラッツSTORE
Sold out K18アコヤ真珠(アコヤパール)リング - カラッツSTORE
Sold out K18血赤珊瑚0.30ct リング - カラッツSTORE
Sold out K18血赤珊瑚0.33ct リング - カラッツSTORE
Sold out K18血赤珊瑚0.48ct ペンダント(ネックレス) - カラッツSTORE
Sold out K18血赤珊瑚0.77ct ペンダント(ネックレス) - カラッツSTORE
Sold out K18血赤珊瑚0.24ct ペンダント(ネックレス) - カラッツSTORE
Sold out K18血赤珊瑚0.60ct ペンダント(ネックレス) - カラッツSTORE
Sold out K18ルビーパヴェリング - カラッツSTORE
Sold out Pt900ブルーサファイア・イエローサファイア・グリーンサファイアリング - カラッツSTORE
Sold out K18ピンクトルマリンピンキーリング - カラッツSTORE
Sold out K18WGピンクサファイアピアス(ハートシェイプ) - カラッツSTORE
Sold out コロンビア産ユークレース 3.68ctルース
Sold out Colombian Euclase 2.68ct loose
Sold out ユークレース 0.78ct原石
Sold out 【甲州貴石切子】ブルージルコン 2.04ctルース - カラッツSTORE
Sold out 【甲州貴石切子】ロードライトガーネット 1.590ctルース - カラッツSTORE
Sold out 【12524928掲載】オレゴンサンストーン 1.130ctルース
Sold out 【12524931掲載】オレゴンサンストーン 1.04ctルース
Sold out 【12525212掲載】レッドベリル 0.48ctルース
Sold out 【12525217掲載】レッドベリル 0.19ctルース
Sold out Pakistani Bicolor Sphene 1.44ct Ruth (July Birthstone)
Sold out 【12525228更新】ペリドット 3.62ctルース
Sold out 【12525232掲載】オレゴンサンストーン 1.98ct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.