Skip to content
カボションカット 

Cabochon Cut

Sort by

Sold out Indian Parrot Chrysoberyl Cat's Eye 5.0mm/1.099ct Loose Stone
Sold out Indian Parrot Chrysoberyl Cat's Eye 1.225ct Loose
Sold out Indian Parrot Chrysoberyl Cat's Eye 5.6mm/1.715ct Loose Stone
Sold out 1.175ct loose Australian white opal
Sold out Unheated star ruby ​​from Myanmar, 0.617ct loose
Sold out Mexican Fire Agate 8.033ct Loose Stone
Sold out Brazilian Dumortierite in Quartz 1.779ct Loose Stone
Sold out [12/6 22:00] Myanmar Spinel in Marble 61.204ct Loose Stone
Sold out [12/6 22:00 Sale] Blue Coral (75.469ct) Loose Stone
Sold out Chinese Cinnabar (Cinnabar) 1.062ct Loose Stone with Certificate of Authenticity
Sold out Red coral (coral) 1.406ct loose stone
Sold out Red coral (coral) 1.467ct loose stone
Sold out Red Coral from Kochi Prefecture (6.833ct Loose Stone)
Sold out Australian black opal 0.623ct loose stone
Sold out ミャンマー産スピネルインマーブル 39.231ctルース
Sold out メキシコ産ファイアオパール 1.283ctルース
Sold out Colombian Trapiche Emerald 2.318ct Loose
Sold out オーストラリア産ホワイトオパール 4.170ctルース
Sold out Australian Black Opal 0.825 ct Loose Stone
Sold out Australian white opal 1.928ct loose
Sold out 1.837ct loose Australian black opal
Sold out Australian boulder opal 2.326ct loose
Sold out Brazilian Dumortierite in Quartz 2.012ct Loose Stone
Sold out Brazilian Dumortierite in Quartz 1.995ct Loose Stone
Sold out Brazilian Dumortierite in Quartz 1.924ct Loose Stone
Sold out 0.559ct Sri Lankan Chrysoberyl Cat's Eye Loose Stone
Sold out ミャンマー産スターサファイア 11.192ctルース
Sold out シンシャ(辰砂・シナバー) 0.459ctルース
Sold out Chinese Cinnabar Loose Stone, 1.024ct, with Certificate
Sold out 中国産シンシャ(辰砂・シナバー) 1.086ctルース 鑑別書
Sold out 中国産シンシャ(辰砂・シナバー) 1.162ctルース
Sold out ミャンマー産バイカラースターサファイア 0.640ct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 1.909ctルース
Sold out グリーンランド産ルビー 0.737ctルース
Sold out メデューサクォーツ(パライバクォーツ) 1.098ctルース
Sold out 中国産シンシャ(シナバー) 1.704ctルース
Sold out 中国産シンシャ(シナバー) 1.908ctルース 鑑別書
Sold out 中国産シンシャ(シナバー) 0.965ctルース 鑑別書
Sold out 中国産シンシャ(シナバー) 5.5mm/0.983ctルース 鑑別書
Sold out 中国産シンシャ(シナバー) 1.257ctルース 鑑別書
Sold out シンシャ(シナバー) 0.779ctルース
Sold out シンシャ(シナバー) 0.644ctルース
Sold out シンシャ(シナバー) 0.563ctルース
Sold out シンシャ(シナバー) 0.506ctルース
Sold out シンシャ(シナバー) 0.486ctルース
Sold out シンシャ(シナバー) 0.480ctルース
Sold out シンシャ(シナバー) 0.468ctルース
Sold out シンシャ(シナバー) 0.354ct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.