Skip to content

Today's new arrivals

Sort by

coming soon 【8/27 22時販売】《限定7石》ブラジル産ライモナイトインクォーツ1石ルース(平均6ct)《複数購入割引有》
coming soon ブラジル産エルバイトトルマリン(バイカラー) 0.390ct原石(CuO:0.7%、MnO:3.0%)
coming soon ブラジル産パライバトルマリン 0.353ctルース
coming soon ブラジル産パライバトルマリン 0.054ctルース(CuO:1.2%、MnO:3.1%)
coming soon コロンビア産エメラルドキャッツアイ 0.093ctルース
coming soon コロンビア産エメラルドキャッツアイ 0.094ctルース
coming soon 【12533505掲載】コロンビア産エメラルドキャッツアイ 0.112ctルース
coming soon 【KEN氏】ヘソナイトガーネット 0.309ctルース - カラッツSTORE
coming soon マラヤガーネット 0.972ctルース

Malaya garnet 0.972ct loose Sale price¥9,800

coming soon ダイヤモンド 0.054ctルース(VSクラス相当,エメラルドカット)
coming soon 【甲州貴石切子】バイカラーフローライト 19.380ctルース《コラボ》ワッペン付
coming soon Afghanite 0.210ct loose

Afghanite 0.210ct loose Sale price¥6,980

Sold out 【12557769掲載】スタールビー 0.496ctルース

White sapphire 0.537ct loose Sale price¥15,800

Red beryl 0.187ct loose Sale price¥29,800

Sold out ブラジル産インディゴライトトルマリン 0.287ctルース

Opal 1.020ct loose Sale price¥29,800

Opal 6.560ct loose Sale price¥39,800

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の取り組みと社会貢献

業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。

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.