Works by Shimizu Kiseki

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【甲州貴石切子】ロンドンブルートパーズ 10.514ct《コラボ》ルースワッペン付

[Koshu Precious Stone Cutting] London Blue Topaz 10.514ct {Collaboration} Loose Patch

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[Sakura Shape] Synthetic Sapphire 8.533ct Loose

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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

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【10/13 22時販売】【さくらインカット】スリランカ・ラトゥナプラ産サファイア 6.0mm/0.839ctルース Sale price¥59,800

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【12560397掲載】YAG（イットリウムアルミニウムガーネット） 1.480ctルース

Lottery Sale 092103_ [Star-in Cut] YAG (Yttrium Aluminum Garnet) 1.480ct Loose Stone with Certificate of Authenticity Sale price¥39,800

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【12560395掲載】YAG（イットリウムアルミニウムガーネット） 1.391ctルース

Lottery Sale 092101_ [Yukinko Cut] YAG (Yttrium Aluminum Garnet) 1.391ct Loose Stone with Certificate of Authenticity Sale price¥39,800

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【12560394掲載】YAG（イットリウムアルミニウムガーネット） 2.026ctルース

Lottery Sale 092102_ [Sakura Shape] YAG (Yttrium Aluminum Garnet) 2.026ct Loose Stone with Certificate of Authenticity Sale price¥39,800

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【12560384掲載】シベリアンブルークォーツ（合成クォーツ） 2.067ctルース

Siberian Blue Quartz (Synthetic Quartz) 2.067ct Loose Stone

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[Available at 10 PM on August 16th] [Sakura In-Cut] Tanzanian Pink Spinel 6.0mm/0.842ct Loose Stone with Certificate of Authenticity

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[Yukinko Cut] Tanzanite from Tanzania 1.486ct Loose Stone

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[Sakura In-Cut] Pink Sapphire from Ratnapura, Sri Lanka, 6.0mm/0.924ct Loose

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【ダンデライオンカット】ピンクスピネル 5.7mm/0.845ct ルース《コラボ》日独鑑ワッペン付

[Dandelion cut] Myanmar pink spinel 5.7mm/0.845ct loose stone by Nikkei Kane

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【ダンデライオンカット】グリーントルマリン 2.156ctルース《コラボ》ワッペン付

[Dandelion Cut] Brazilian Green Tourmaline 8mm/2.156ct Loose Stone

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Canna Brazilian dendritic quartz 2.389ct loose stone

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Almandine Garnet 2.996ct Loose Stone

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[Sakura Incut] Strontium titanate 6.5mm/1.589ct loose stone

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[Koshu Precious Stone Cut] Brazilian Bicolor Tourmaline 4.150ct Loose Patch

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【クローバーインカット】モンゴル産カラーチェンジアンデシン 6.0mm/0.608ct《コラボ》ルース

[Clover in cut] Mongolian color change andesine 6.0mm/0.608ct {collaboration} loose stone

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[Clover in cut] Madagascar Apatite 6.0mm/0.796ct {Collaboration} Loose Stone

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【さくらインカット】タンザニア産タンザナイト 6.0mm/0.745ct《コラボ》ルース

[Sakura Incut] Tanzanite from Tanzania 6.0mm/0.745ct {Collaboration} Loose Stone

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【さくらインカット】スペイン産アンダリュサイト 6.0mm/0.700ct《コラボ》ルース

[Sakura Incut] Spanish Andalusite 6.0mm/0.700ct {Collaboration} Loose Stone

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Quartz 14.241ct loose stone

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【さくらシェイプ】YAG（イットリウムアルミニウムガーネット） 7.0mm/1.985ct《コラボ》ルースワッペン

[Sakura Shape] YAG (Yttrium Aluminum Garnet) 7.0mm/1.985ct {Collaboration} Loose Patch

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【クローバーインカット】オレゴンサンストーン 7mm/1.092ct《コラボ》ルースワッペン

[Clover in cut] Oregon Sunstone 7mm/1.092ct {Collaboration} Loose patch

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【スターインカット】ライモナイトインクォーツ（オーロラクォーツ） 12mm/5.136ctルース《コラボ》ワッペン

[Star in cut] Limonite in quartz (Aurora quartz) 12mm/5.136ct loose stone {Collaboration} Patch

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【スターインカット】ティンカーベルクォーツ（ピンクファイヤークォーツ） 6mm/0.546ctルース

[Star in cut] Tinkerbell quartz (pink fire quartz) 6mm/0.546ct loose

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【甲州貴石切子】メキシコ産ファイアオパール 1.318ct《コラボ》ルースワッペン付

[Koshu Precious Stone Kiriko] Fire Opal from Mexico 1.318ct《Collaboration》 Loose with emblem

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[Kikyou cut] Pink amethyst 5.470ct loose with patch

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[Dandelion cut] Fire opal 7mm loose with patch

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[Dandelion Cut] Fire Opal 7mm 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.