Works by Shimizu Kiseki

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【カメリアカット】ラベンダークォーツ（スコロライト） 1.704ctルース　ワッペン付

[Posted in 12549756] Lavender quartz (scorolite) 1.704ct loose

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Afghanistan Aragonite 15.380ct loose stone with patch

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[Sakura Incut] Smoky Quartz 22mm/27.511ct Loose Japanese-German Edition

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[Sakura Incut] Danburite 8.3mm/1.585ct loose with patch

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[Koshu Precious Stone Kiriko] Dumortierite in Quartz 10.068ct loose with emblem

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【甲州貴石切子】メキシコ産ファイアオパール 1.586ct《コラボ》ルースワッペン付

[Koshu Precious Stone Kiriko] Fire Opal from Mexico 1.586ct《Collaboration》 Loose with emblem

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【甲州貴石切子】《月型切子》アメトリン 12.681ct《コラボ》ルースワッペン付

[Koshu Precious Stone Kiriko]《Moon-shaped Kiriko》Ametrine 12.681ct《Collaboration》Loose Patch

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[Dandelion cut] Imperial topaz 6.5mm/1.065ct loose

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【ダンデライオンカット】マンダリンガーネット 6.5mm/1.380ctルース《コラボ》ワッペン付

[Dandelion cut] Mandarin garnet 6.5mm/1.380ct loose "Collaboration" with emblem

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【ダンデライオンカット】カラーレススピネル 9.5mm/3.650ctルース日独オリジナル鑑＆ワッペン

[Dandelion Cut] Colorless Spinel 9.5mm/3.650ct Loose Japanese-German Dictionary & Patch

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【さくらインカット】オレゴンサンストーン 8mm/1.570ctルースワッペン付 - カラッツSTORE

[Sakura Incut] Oregon Sunstone 8mm/1.570ct Loose with Patch

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[Sakura Incut] Spinel 0.691ct loose

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【さくらインカット】グレースピネル 5.5mmルースワッペン付（プラチナスピネル） - カラッツSTORE

[Sakura Incut] Gray Spinel 5.5mm Loose with Patch (Platinum Spinel)

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【桔梗カット】ティンカーベルクォーツ 5.050ctルース《シミズ貴石代表・清水幸雄氏》

[Kikyo Cut] Tinker Bell Quartz 5.050ct Loose《Mr. Yukio Shimizu, Representative of Shimizu Precious Stones》 Patch included

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[Koshu Precious Stone Kiriko] Oregon Sunstone 2.330ct Loose with Patch

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[Kikyo cut] Oil-in quartz 4.010ct loose [Shimizu Precious Stone Representative Yukio Shimizu] Patch included

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【ダンデライオンカット】ラベンダータンザナイト6mmルース - カラッツSTORE

[Dandelion cut] Lavender tanzanite 6mm loose with patch

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【さくらインカット】ピンクトルマリン 1.170ctルース - カラッツSTORE

[Sakura in-cut] Pink tourmaline 1.170ct loose with patch

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[Sakura Incut] Ametrine 15mm/9.820ct loose "Collaboration" with emblem

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[Sakura Incut] Tanzanite 1.07ct loose with patch

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【ダンデライオンカット】オレゴンサンストーン 9.01ct/14mmルース（6枚花びら） - カラッツSTORE

[Dandelion cut] Oregon sunstone 9.01ct/14mm loose (6 petals) with patch

coming soon

[Koshu Precious Stone Kiriko] Bicolor Fluorite 19.380ct Loose "Collaboration" with emblem Sale price¥49,800

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[Sakura Cut] Mongolian Andesine 8.0mm/1.652ct Loose Stone

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【ダンデライオンカット】モンゴル産カラーチェンジアンデシン 6.0mm/0.774ctルース

[Dandelion Cut] Mongolian Color-Change Andesine 6.0mm/0.774ct Loose Gemstone

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[Dandelion Cut] 7mm/1.412ct Sphene Loose Stone from Madagascar

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[Clover in cut] Emerald 9mm/2.498ct {Collaboration} Loose with patch

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[Koshu precious stone cutter pluethree] Colombian emerald 2.018ct loose

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[Sakura Incut] Sphene from Madagascar 6.0mm/0.865ct Loose Stone

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[Sakura in-cut] Lavender quartz (scorolite) 8mm/ 2.161ct loose

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[Koshu precious stone Kiriko plusthree] Smoky quartz 6mm/0.691ct loose with patch

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[Sakura In-Cut] Sapphire from Ratnapura, Sri Lanka, 6.0mm/0.839ct Loose

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【クローバーインカット】コロンビア産エメラルド 8mm/1.663ctルース《コラボ》ワッペン付

[Clover in-cut] Colombian emerald 8mm/1.663ct loose "Collaboration" with patch

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[Dandelion Cut] Tibetan Color-Change Andesine 8.0mm/1.883ct Loose Gemstone

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[Dandelion Cut] Tibetan Andesine 6.0mm/0.814ct Loose Stone

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Tibetan Bicolor Andesine Dandelion Cut Loose Stone, 6.0mm/0.791ct (Color Change Type)

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(Lottery sale 202604) (Shinjuku Marui 20260319 removed) (12561741 listed) Mongolian Color Change Andesine 0.641ct Loose Stone

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[Sakura In-Cut] Mongolian Color Change Andesine 6.0mm/0.655ct Loose Stone

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Madagascar sphene 6.0mm/0.868ct loose stone

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Loose 1.206ct Oregon Sunstone from the USA

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[Posted 12546242] Swiss blue topaz 13.257ct loose

coming soon

[Koshu Precious Stone Kiriko]《Moon-shaped Kiriko》Citrine 6.097ct《Collaboration》With loose patch Sale price¥69,800

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Tanzanian bicolor zoisite 1.327ct loose stone

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【ダンデライオンカット】スモーキークォーツ 25mm/41.745ct《コラボ》ルース（6枚花びら）ワッペン付

[Dandelion Cut] Smoky Quartz 25mm/41.745ct《Collaboration》Loose (6 petals) with patch

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[Star-in-cut] YAG (Yttrium Aluminum Garnet) 1.480ct Loose Gemstone with Certificate

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[Sakura Shape] YAG (Yttrium Aluminum Garnet) 2.026ct Loose Stone with Appraisal

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[Koshu Precious Stone Kiriko] Fluorite from Colombia 7.240ct loose with emblem

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【ダンデライオンカット】ロンドンブルートパーズ 6.570ctルース - カラッツSTORE

[Dandelion Cut] London Blue Topaz 6.570ct Loose with Patch

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.