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coming soon [10/21 (Wed) 10:00 AM Deadline: Lottery Sale] Bekily Blue Garnet (Color-Change Garnet) 1.026ct Loose Stone
Sold out [Available Oct 12, 10 PM] <limited to stones> Madagascar Blue Sapphire Loose Stone (Cabochon cut, avg. 0.70ct) <multi-buy discount available></multi-buy></limited>
Sold out マダガスカル産ロイヤルブルーサファイア 4.0mm/0.377ctルース 鑑別書
Sold out マダガスカル産アンデシン・ラブラドライト(通称名 レインボームーンストーン) 1.911ctルース
Sold out マダガスカル産スフェーン 0.625ctルース
Sold out ベキリーブルーガーネット(カラーチェンジガーネット) 1.015ctルース
Sold out マダガスカル産ロイヤルブルーサファイア 0.623ctルース 鑑別書
Sold out マダガスカル産グランディディエライト 0.226ctルース 鑑別書
Sold out マダガスカル産グランディディエライト 0.113ctルース
Sold out マダガスカル産バイカラーサファイア 1.665ctルース
Sold out マダガスカル産サファイア 1.480ctルース
Sold out マダガスカル産オレンジサファイア 0.671ctルース
Sold out マダガスカル産ニードルホワイトトパーズ 8.9mm/3.619ctルース
Sold out マダガスカル産ロイヤルブルーサファイア 0.559ct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.