List of products eligible for patches

[Dandelion cut] Synthetic rutile 7.5mm/2.630ct loose Sale price¥49,800

[Koshu precious stone Kiriko plusthree] Smoky quartz 6mm/0.691ct loose with patch Sale price¥25,800

【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 Sale price¥88,800

[Koshu Precious Stone Kiriko plusthree] Swiss Blue Topaz <Akatsuki> 4.529ct loose Sale price¥35,800

【甲州貴石切子plus three】スイスブルートパーズ＜彩＞ 4.842ctルース

[Koshu precious stone Kiriko plus three] Swiss blue topaz <Aya> 4.842ct loose Sale price¥35,800

[Koshu precious stone Kiriko plusthree] Rubellite 1.809ct loose Sale price¥39,800

[Koshu precious stone Kiriko plusthree] Green tourmaline 1.880ct loose Sale price¥35,800

Chinese aragonite 36.409ct loose with patch Sale price¥7,980

Brazilian Trapichea Amethyst 24.772ct loose with patch Sale price¥8,800

[Sakura Incut] Goshenite 9mm/2.142ct loose with patch Sale price¥39,800

[Camellia cut] Opal 14mm/5.283ct loose with patch Sale price¥98,000

【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 Sale price¥29,800

[Koshu Precious Stone Kiriko] Morganite 14.931ct《Collaboration》Loose with emblem Sale price¥98,000

【カメリアカット】カナダ産ラブラドライト（通称名：ブルームーンストーン） 14mm/9.947ct《コラボ》ルース - カラッツSTORE

[Camellia cut] Labradorite from Canada (common name: Blue Moonstone) 14mm/9.947ct《Collaboration》 Loose Sale price¥35,800

【カメリアカット】カナダ産ラブラドライト（通称名：ブルームーンストーン） 12mm/5.594ct《コラボ》ルースワッペン付 - カラッツSTORE

[Camellia cut] Labradorite from Canada (common name: Blue Moonstone) 12mm/5.594ct《Collaboration》 Loose with emblem Sale price¥29,800

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

【甲州貴石切子plusthree】バイカラートルマリン 2.694ctルースワッペン付

[Koshu precious stone Kiriko plusthree] Bicolor tourmaline 2.694ct loose with patch Sale price¥35,800

【甲州貴石切子】レピドクロサイトインクォーツ 2.488ct《コラボ》ルースワッペン付

[Koshu Precious Stone Kiriko] Lepidocrocite in Quartz 2.488ct《Collaboration》Loose with emblem Sale price¥45,800

【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 Sale price¥158,000

【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 Sale price¥39,800

[Mr. Fukasawa Smoky Mushroom] Smoky Quartz 20.250ct loose with patch Sale price¥35,800

【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 Sale price¥39,800

【さくらインカット】トルマリン 9mm/5.590ctルース《コラボ》ワッペン付日独鑑

[Dandelion cut] Tourmaline 11mm/5.620ct loose "Collaboration" with emblem Japanese-German edition Sale price¥79,800

[Koshu precious stone Kiriko plusthree] Light citrine 2.490ct loose with patch Sale price¥29,800

K18PGローズクォーツ15.964ct ペンダント（甲州貴石切子） - KARATZ STORE｜カラッツSTORE

[Koshu Precious Stone Kiriko] K18PG Rose Quartz 15.964ct Necklace Japanese-German Appraisal Sale price¥128,000

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Gem gacha cut by Shimizu Kiseki and Yoichi Fukazawa 💎 {Multiple purchase discounts available} {Halloween specials included}

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【甲州貴石切子plusthree】ロッククリスタル 15.588ct《切子玉》ルースワッペン付

[Koshu Precious Stone Kiriko PlusThree] Rock Crystal 15.588ct《Kirikodama》 Loose with Patch

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【カメリアカット】レモンクォーツ8mmルース直筆サイン付&ワッペン付 - カラッツSTORE

[Camellia cut] Lemon quartz 8mm loose with autograph and emblem

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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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[Posted 12541231] Rhodolite Garnet 3.040ct Loose

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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】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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[Koshu Precious Stones Plusthree] Sky Blue Topaz 4.415ct Loose

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【甲州貴石切子】メキシコ産ファイアオパール 1.586ct《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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【甲州貴石切子plusthree】デンドリティッククォーツ 17.110ctルースワッペン付

[Koshu precious stone Kiriko plusthree] Dendritic quartz 17.110ct loose with patch

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

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[Fukasawa Agate Mushroom] Agate (agate) 24.906ct loose with patch

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[Fukasawa Agate Mushroom] Agate (agate) 28.751ct loose with patch

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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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[Fukasawa Agate Mushroom] Agate 19.828ct loose with patch

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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)

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の取り組みと社会貢献

業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。

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.