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Below 0.1 ct

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coming soon [Lottery Sale 0825_09] Colombian Non-Oil Emerald 0.080ct Loose GIA
coming soon [Lottery Sale 0825_10] Colombian Non-Oil Emerald 0.090ct Loose GIA
Sold out ブラジル産アレキサンドライト 0.074ctルース(ヘマチタ鉱山)
Sold out (In Stock) Lottery Sale 4 [For Winners Only] [Published on 12559711] Colombian Oil-Free Emerald 0.050ct Loose Stone (NONE) GIA
Sold out パキスタン産ラズライト(天藍石) 0.097ctルース
Sold out ジンバブエ産ユークレース 0.066ctルース
Sold out ジンバブエ産ユークレース 0.081ctルース
Sold out ジンバブエ産ユークレース 0.058ctルース
Sold out ドイツ産アウイナイト 0.081ctルース
Sold out アメリカ産レッドベリル 0.099ctルース
Sold out ナミビア産ジェレメジェバイト 0.094ctルース 鑑別書
Sold out ナミビア産ジェレメジェバイト 0.061ctルース 鑑別書
Sold out タンザニア産レッドスピネル 0.098ctルース 鑑別書
Sold out ジンバブエ産ユークレース 0.065ctルース
Sold out ブラジル産パライバトルマリン 0.056ctルース
Sold out ジンバブエ産ユークレース 0.053ctルース
Sold out マダガスカル産グランディディエライト 0.086ctルース
Sold out マダガスカル産グランディディエライト 0.065ctルース
Sold out フラワールチルインクォーツ ルース
Sold out ブラジル産ラズライト(天藍石) 0.022ctルース
Sold out ジンバブエ産ユークレース 0.054ctルース 鑑別書
Sold out ジンバブエ産ユークレース 0.070ct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.