List of products eligible for patches

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[Sakura Shape] Oregon Sunstone from the United States, 1.201ct Loose

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[Sakura Shape] Oregon Sunstone from the United States, 1.104ct Loose

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[Sakura In-Cut] Mali Garnet (Grossular/Andradite Garnet) from the Republic of Mali, 6.0mm/0.920ct Loose Stone with Certificate of Authenticity

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【さくらインカット】マダガスカル産アパタイト 7.9mm/1.537ct《コラボ》ルースワッペン

[Sakura In-Cut] Madagascar Green Apatite 7.9mm/1.537ct "Collaboration" Loose Stone Patch

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【甲州貴石切子plusthree】パイライトインクォーツ 12.164ctルースワッペン付

[Koshu precious stone Kiriko plusthree] Pyrite in quartz 12.164ct loose with patch

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[Koshu Precious Stone Kiriko] Morganite 14.931ct《Collaboration》Loose with emblem

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【ゆきんこカット】YAG（イットリウムアルミニウムガーネット） 1.391ctルース鑑別書

[Yukinko Cut] YAG (Yttrium Aluminum Garnet) 1.391ct Loose Stone with Certificate of Authenticity

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[Koshu Precious Stones plusthree] "Cut Rose Quartz" 13.682ct Loose Stone

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Tanzanian Bicolor Zoisite 1.006ct Loose Stone

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UV opal from Hokkaido 12.259ct loose with patch

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【さくらインカット】メキシコ産オパール 9mm/1.532ctルース - カラッツSTORE

[Sakura In-Cut] Mexican Opal 9mm/1.532ct Loose

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【甲州貴石切子】ティンカーベルクォーツ（ピンクファイヤークォーツ） 3.519ctルースワッペン付

[Koshu Precious Stone Kiriko] Tinker Bell Quartz (Pink Fire Quartz) 3.519ct loose with patch

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[Mr. Fukasawa Smoky Mushroom] Smoky Quartz 20.250ct loose with patch

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【深澤氏ルチルきのこ】ルチルレイテッドクォーツ 29.180ctルースワッペン付

[Mr. Fukazawa's Rutile Mushroom] Rutile Quartz (Rutile-Rated Quartz) 29.180ct Loose Stone with Patch

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[Sakura In-Cut] Tanzanite from Tanzania 6.0mm/0.780ct Loose

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[Sakura Ingot Cut] Siberian Blue Quartz (Synthetic Quartz) 1.067 ct Loose Stone

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[Koshu Precious Stone Kiriko] Strawberry Quartz 10.023ct Loose with Patch

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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 6.750ctルース - カラッツSTORE

[Dandelion Cut] London Blue Topaz 6.750ct Loose with Patch

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[Sakura Incut] Ametrine 9.740ct loose with patch

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[Sakura In-Cut] Madagascar Purple Sapphire 6.0mm/0.943ct Loose Stone

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[Clover-in-cut] Brazilian green tourmaline 6.0mm/0.734ct loose stone

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【さくらインカット】レモンクォーツ 20mm/21.540ct《コラボ》ルースワッペン付 - カラッツSTORE

[Sakura Incut] Lemon Quartz 20mm/21.540ct《Collaboration》Loose with emblem

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【さくらインカット】スカイブルートパーズ 12mmルースワッペン付 - カラッツSTORE

[Sakura Incut] Sky Blue Topaz 12mm Loose with Patch

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【さくらインカット】非加熱ピンクサファイア 2.442ctルース《コラボ》日独鑑 - カラッツSTORE

[Sakura in-cut] Unheated pink sapphire 2.442ct loose "Collaboration" Japanese-German edition

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[Sakura In-Cut] Spanish Andalusite 6.0mm/0.715ct Loose Stone

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【ダンデライオンカット】ダンビュライト 8mm/1.860ct《コラボ》ルースワッペン付

[Dandelion Cut] Danburite 8mm/1.860ct《Collaboration》Loose with patch

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【甲州貴石切子plusthree】レピドクロサイトインクォーツ 1.973ct《コラボ》ルースワッペン付

[Koshu precious stone Kiriko plusthree] Lepidocrocite in quartz 1.973ct《Collaboration》Loose with emblem

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【甲州貴石切子plusthree】トルマリンインクォーツ 2.484ct《コラボ》ルース《昴》ワッペン付

[Koshu precious stone Kiriko plusthree] Tourmaline in quartz 2.484ct《Collaboration》Ruth《Subaru》 Patch included

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[Koshu Precious Stone Kiriko] Kunzite 5.024ct《Collaboration》Loose with emblem

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[Posted 12541231] Rhodolite Garnet 3.040ct Loose

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【さくらインカット】ダンビュライト 8.25mm/1.719ct《コラボ》ルースワッペン付 - カラッツSTORE

[Sakura Incut] Danburite 8.25mm/1.719ct《Collaboration》Loose with emblem

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【甲州貴石切子】《月型切子》スイスブルートパーズ 27.829ct《コラボ》ルースワッペン付

[Koshu Precious Stone Kiriko]《Moon-shaped Kiriko》Swiss Blue Topaz 27.829ct《Collaboration》Loose with emblem

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【カメリアカット】パープルカルセドニー 12mm/4.959ct《コラボ》ルースワッペン付

[Camellia Cut] Purple Chalcedony 12mm/4.959ct《Collaboration》Loose with emblem

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【甲州貴石切子plusthree】ローズクォーツ 6.330ctルースワッペン付

[Koshu precious stone Kiriko plusthree] Rose quartz 6.330ct loose with patch

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【甲州貴石切子plusthree】コロンビア産パイライトインエメラルド 5.076ctルースワッペン付

[Koshu Precious Stone Kiriko PlusThree] Colombian Pyrite in Emerald 5.076ct Loose with Patch

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【甲州貴石切子】ライモナイトインクォーツ（オーロラクォーツ） 8.229ct《コラボ》ルースワッペン付

[Koshu Precious Stone Kiriko] Limonite in Quartz (Aurora Quartz) 8.229ct《Collaboration》 Loose with emblem

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[Koshu Precious Stone Kiriko] Ametrine 8.964ct《Collaboration》Loose with emblem

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【甲州貴石切子plusthree】トルマリンインクォーツ 2.652ct《コラボ》ルースワッペン付

[Koshu Precious Stones Plusthree] Brazilian Tourmaline in Quartz 2.652ct Loose Stone

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イエローベリル 2.227ctルース【さくらインカット】ブラジル産イエローベリル 9.1mm/2.227ctルース

[7/4 22:00 Sale] [Sakura Incut] Brazilian Yellow Beryl 9.1mm/2.227ct Loose

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【さくらインカット】アベンチュリンアクアマリン 7.7mm/1.240ctルース《コラボ》ワッペン付 - カラッツSTORE

[Sakura Incut] Brazilian Aventurine Aquamarine 7.7mm/1.240ct Loose Stone [Collaboration] Patch

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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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[Sales on hold due to use in E29 Hakata event announcement] Lottery sale: Pink sapphire 0.587ct loose stone

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[12557950] Tanzanite 0.701ct {Collaboration} Loose Stone

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【さくらシェイプ】ブラジル産アメトリン 20mm/21.554ct《コラボ》ルース　ワッペン

[Sakura Shape] Brazilian Ametrine 20mm/21.554ct {Collaboration} Loose Patch

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【甲州貴石切子plusthree】ブラジル産アメトリン 6.557ctルースワッペン

[Koshu Precious Stones Plusthree] Brazilian Ametrine 6.557ct Loose Stone Patch

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[Koshu Precious Stone Cutting] Brazilian Dumortierite in Quartz 3.169ct Loose Patch

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Quartz 15.493ct loose patch

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[Sakura Incut] Brazilian Blue Topaz 16mm/15.329ct Loose 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.