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Made in the USA

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Sold out U.S. Red Beryl 2.2mm/0.047ct Loose
Sold out USA Oregon Sunstone 5.0mm/0.443ct Loose
Sold out オレゴンサンストーン 0.513ctルース
Sold out Anthill garnet from the USA (with forsterite) 0.578ct loose
Sold out Unmounted American Anthill Garnet, 4.0mm/0.269ct
Sold out American Anthill Garnet 5.0mm/0.641ct Loose
Sold out USA Ant Hill Garnet 4.0mm/0.277ct Loose Stone
Sold out US Oregon Sunstone, 1.640 ct, Loose
Sold out US Oregon Sunstone, 1.640 ct, Loose
Sold out 1.676ct loose Oregon sunstone from the United States
Sold out USA Oregon Sunstone 2.160ct Loose
Sold out USA Oregon Sunstone 1.869ct Loose
Sold out American benitoite 0.076ct loose
Sold out American benitoite 0.076ct loose
Sold out 18K Yellow Gold American Peridot 0.339ct Diamond Ring
Sold out American Peridot 0.770ct Loose Stone
Sold out アメリカ産レッドベリル 0.143ctルース
Sold out アメリカ産レッドベリル 0.115ctルース
Sold out アメリカ産レッドベリル 0.208ctルース
Sold out American benitoite 0.147ct loose
Sold out American benitoite 0.127ct loose
Sold out American benitoite 0.133ct loose
Sold out American benitoite 0.187ct loose
Sold out [On Sale at 10 PM on December 9th] American Peridot 0.855ct Loose Stone (Lily Pad Inclusions)
Sold out [Sakura In-Cut] Oregon Sunstone from the United States, 6.0mm/0.685ct Loose
Sold out [Sakura Shape] Oregon Sunstone from the United States, 1.201ct Loose
Sold out Loose 1.206ct Oregon Sunstone from the USA
Sold out [Sakura Shape] Oregon Sunstone from the United States, 1.104ct Loose
Sold out オレゴンサンストーン 1.157ctルース
Sold out American peridot 0.334ct loose stone
Sold out 【KEN氏】オレゴンサンストーン 1.333ctルース
Sold out ベニトアイト 0.091ctルース
Sold out アメリカ産ノンオイルレッドベリル 2.5mm/0.050ctルース GIA
Sold out レッドベリル 2.9mm/0.096ctルース
Sold out Red beryl 0.173ct loose
Sold out Red beryl 0.136ct loose
Sold out レッドベリル 0.131ctルース
Sold out オレゴンサンストーン 5.189ctルース
Sold out アメリカ産ノンオイルレッドベリル 0.060ctルース GIA
Sold out American Red Beryl 2.2mm/0.049ct Loose Stone
Sold out アメリカ産レッドベリル 0.045ctルース
Sold out American Red Beryl 2.0mm/0.032ct Loose Stone
Sold out アメリカ産ペリドット 0.573ctルース(リリーパッドインクルージョン)
Sold out アメリカ産ベニトアイト 0.071ctルース
Sold out アメリカ産オレゴンサンストーン 6.0mm/0.754ctルース
Sold out アメリカ産オレゴンサンストーン 0.478ctルース
Sold out オレゴンサンストーン 2.731ctルース
Sold out K18YG アメリカ産オレゴンサンストーン 0.44ct・ピンクダイヤモンド・オレンジスピネル リング

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.