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Sold out デンドリティックアゲート 68.090ctルース
Sold out Limited to 6 stones: 1 loose sphene stone from Madagascar (round cut, 4mm) Multiple purchase discounts available
Sold out ブラッドショットアイオライトサンストーン 1.090ctルース
Sold out デンドリティッククォーツ 1.547ctルース
Sold out コロンビア産エメラルドキャッツアイ 0.083ctルース
Sold out ローズクォーツ 33.630ctルース
Sold out [Limited to 7 stones] Gem gacha💎 Australian opal or Mexican cantera opal 1 loose stone (with defects) [Multiple purchase discount available]
Sold out Limited to 2 stones: 1 Australian opal loose stone (pear cut) Multiple purchase discounts available
Sold out Limited to 7 stones: 1 Hokkaido rhodochrosite loose stone (4mm, rose cut) Multiple purchase discounts available
Sold out Limited to 3 stones: Brazilian Trapiche Amethyst (with mother rock) 1 loose stone (average 33ct, February birthstone) Multiple purchase discounts available
Sold out モスアゲート 0.505ctルース
Sold out モスアゲート 0.575ctルース
Sold out モスアゲート 0.301ctルース
Sold out ブラジル産デュモルチェライトインクォーツ 1.512ctルース
Sold out ブラジル産デュモルチェライトインクォーツ 2.484ctルース
Sold out ブラジル産アクアマリン 0.721ctルース
Sold out マダガスカル産ラブラドライト 1.44ctルース
Sold out グリーンジルコン 0.543ctルース
Sold out グリーンジルコン 0.344ctルース
Sold out ブラジル産マデイラシトリン 0.564ctルース
Sold out ブラジル産マデイラシトリン 0.414ctルース
Sold out ブラジル産マデイラシトリン 0.643ctルース
Sold out スペイン産アンダリュサイト 0.478ctルース
Sold out スペイン産アンダリュサイト 1.006ctルース
Sold out スペイン産アンダリュサイト 0.355ct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.