甲州貴石切子

Koshu precious stone cut glass

Koshu Precious Stone Kiriko was developed by applying cutting techniques such as Edo Kiriko and Satsuma Kiriko. It was born from a collaboration between Yoichi Fukazawa of Jewelry Craft Fukazawa and Yukio Shimizu of Shimizu Precious Stone. Koshu Precious Stone Kiriko is made using a cutting method that is a world first, with Fukazawa in charge of the cut surfaces and Shimizu in charge of the facet surfaces. The stunning cuts, full of originality and like works of art, are combined with the individuality of the gemstones to make them truly one of a kind. There are dozens of patterns in total that combine surface cuts such as rose cuts and checkerboard cuts with several types of cut glass, and it is also possible to enjoy the luxury of collecting and arranging stones with various cuts.

Carats Gem Magazine
" Koushuu precious stone cut glass "

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【甲州貴石切子】プレーナイト 3.090ct《コラボ》ルース ワッペン付

[Koshu Precious Stone Kiriko] Preinite 3.090ct《Collaboration》Loose with emblem Sale price¥45,800
【甲州貴石切子plusthree】オレゴンサンストーン 2.670ctルース《コラボ》 す。宝石鑑定士が運営しています。

[Koshu Precious Stone Kiriko PlusThree] Oregon Sunstone 2.670ct Loose "Collaboration" with Patch Sale price¥59,800
【甲州貴石切子plusthree】オレゴンサンストーン 2.610ct《コラボ》ルース ワッペン付

[Koshu Precious Stone Kiriko plusthree] Oregon Sunstone 2.610ct《Collaboration》Loose with emblem Sale price¥55,800
【甲州貴石切子】コニャックジルコン 10.930ctルース《コラボ》ワッペン付《12月新誕生石》

[Koshu precious stone Kiriko] Cognac zircon 10.930ct loose "Collaboration" with emblem "December new birthstone" Sale price¥69,800
【甲州貴石切子】スキャポライト 2.01ctルース ワッペン付

[Koshu Precious Stone Kiriko] Scapolite 2.01ct loose with patch Sale price¥59,800
【甲州貴石切子】バイカラートルマリン 4.150ctルース ワッペン付

[Koshu Precious Stone Kiriko] Bicolor Tourmaline 4.150ct Loose with Patch Sale price¥98,000
【甲州貴石切子plusthree】ロジャリーフローライト 4.560ctルース 暁《コラボ》 ワッペン付

[Koshu Precious Stone Kiriko PlusThree] British Rosary Fluorite 4.560ct Loose Akatsuki "Collaboration" with Patch Sale price¥59,800
【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） 5.560ctルース

[Koshu Precious Stone Kiriko] Tinker Bell Quartz (Pink Fire Quartz) 5.560ct Loose with Patch Sale price¥79,800
【甲州貴石切子】スカイブルートパーズ 10.600ctルース《コラボ》 ワッペン付

[Koshu Precious Stone Kiriko] Sky Blue Topaz 10.600ct Loose "Collaboration" with Patch Sale price¥69,800
【甲州貴石切子】ルードヴィッヒアイトインペリドット 2.510ctルース《コラボ》

[Koshu Precious Stone Kiriko] Ludwigite Imperidot 2.510ct Loose "Collaboration" with Patch Sale price¥49,800
【甲州貴石切子】イエローフローライト 30.09ctルース 《コラボ》 ワッペン付

[Koshu Precious Stone Kiriko] Yellow Fluorite 30.09ct Loose [Collaboration] With Patch Sale price¥98,000
【甲州貴石切子】バイカラーフローライト 20.850ctルース《コラボ》 ワッペン付

[Koshu Precious Stone Kiriko] Bicolor Fluorite 20.850ct Loose "Collaboration" with Patch Sale price¥69,800
【甲州貴石切子】ペリドット 0.940ctルース（リリーパット）

[Koshu precious stone Kiriko plusthree] Peridot 0.940ct loose (with lily pad) with patch Sale price¥29,800
【甲州貴石切子】特大スモーキークォーツ 108.336ctルース《コラボ》ワッペン付

[Koshu Precious Stone Kiriko] Extra large smoky quartz 108.336ct loose "Collaboration" with emblem Sale price¥198,000
【甲州貴石切子】コロンビア産フローライト 7.240ctルース

[Koshu Precious Stone Kiriko] Fluorite from Colombia 7.240ct loose with emblem Sale price¥35,800
【甲州貴石切子】バイカラーフローライト 6.980ctルース

[Koshu Precious Stone Kiriko] Bicolor Fluorite 6.980ct Loose with Patch Sale price¥79,800
【甲州貴石切子】ストロベリークォーツ 10.023ctルース

[Koshu Precious Stone Kiriko] Strawberry Quartz 10.023ct Loose with Patch Sale price¥69,800
【甲州貴石切子】ティンカーベルクォーツ3.790ctルース

[Koshu Precious Stone Kiriko] Tinkerbell Quartz 3.790ct loose with patch Sale price¥49,800
【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） 5.540ctルース

[Koshu Precious Stone Kiriko] Tinker Bell Quartz (Pink Fire Quartz) 5.540ct Loose "Collaboration" with Patch Sale price¥69,800
【甲州貴石切子】フローライト 3.280ctルース

[Koshu Precious Stone Kiriko] Fluorite 3.280ct loose with patch Sale price¥45,800
【甲州貴石切子】オレゴンサンストーン 2.650ctルース - カラッツSTORE

[Koshu Precious Stone Kiriko] Oregon Sunstone 2.650ct Loose with Patch Sale price¥69,800
【甲州貴石切子】ヘソナイトガーネット 0.99ctルース - カラッツSTORE

[Koshu precious stone Kiriko plusthree] Hessonite garnet 0.99ct loose Aya "Collaboration" with patch Sale price¥32,800
【甲州貴石切子】スフェーン 1.471ctルース

[Koshu precious stone Kiriko plusthree] Sphene 1.471ct loose Aya "Collaboration" with emblem Sale price¥49,800
【甲州貴石切子】アパタイト 1.990ctルース

[Koshu precious stone cut plusthree] Apatite 1.990ct loose Subaru "Collaboration" with emblem Sale price¥55,800
【甲州貴石切子】アパタイト 2.310ctルース - カラッツSTORE

[Koshu precious stone cut plusthree] Apatite 2.310ct loose Aya "Collaboration" with patch Sale price¥59,800
【甲州貴石切子】フローライトインクォーツ 6.420ctルース

[Koshu Precious Stone Kiriko] Fluorite in Quartz 6.420ct Loose Subaru "Collaboration" with Patch Sale price¥59,800
【甲州貴石切子】ラベンダークォーツ（スコロライト） 5.350ctルース - カラッツSTORE

[Koshu Precious Stone Kiriko] Scololite 5.350ct loose with emblem Sale price¥45,800
[Koshu Precious Stone Kiriko] Bicolor Fluorite 5.030ct Loose with Patch

[Koshu Precious Stone Kiriko] Bicolor Fluorite 5.030ct Loose with Patch Sale price¥49,800
【甲州貴石切子】レインボースキャポライト 2.240ctルース - カラッツSTORE

[Koshu Precious Stone Kiriko PlusThree] Brazilian Rainbow Scapolite 2.240ct Loose Akatsuki "Collaboration" with Patch Sale price¥45,800
【甲州貴石切子】ミントカラートルマリン 1.530ctルース

[Koshu Precious Stone Kiriko] Mint color tourmaline 1.530ct loose with patch Sale price¥59,800
【甲州貴石切子】ピンクフローライト 5.370ctルース - カラッツSTORE

[Koshu Precious Stone Kiriko] Pink Fluorite 5.370ct Loose with Patch Sale price¥59,800
【甲州貴石切子】バイカラーレモンクォーツ 7.180ctルース - カラッツSTORE

[Koshu Precious Stone Kiriko] Bicolor Lemon Quartz 7.180ct Loose Color with Patch Sale price¥55,800
【甲州貴石切子】バイカラーフローライト 4.280ctルース - カラッツSTORE

[Koshu Precious Stone Kiriko] Bicolor Fluorite 4.280ct Loose with Patch Sale price¥45,800
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
Sold out 【甲州貴石切子plusthree】メキシコ産ファイアオパール 3.208ctルース ワッペン

[Koshu Precious Stones Plusthree] Mexican Fire Opal 3.208ct Loose Patch

Sold out 【甲州貴石切子plusthree】K18PGローズクォーツ2.889 ctペンダントトップ（ネックレストップ）

[Koshu Precious Stones plusthree] K18PG Rose Quartz 2.889ct Pink Sapphire Pendant (Necklace)

Sold out 【12546887更新】アメジスト 5.173ctルース

Neko Kiriko "Cat x Koshu Precious Stone Kiriko Plus Three" Amethyst 12mm/5.173ct Loose Patch
Sold out 【甲州貴石切子】《月型切子》メキシコ産ハイアライトオパール 0.788ctルース 日独鑑

[Koshu Precious Stone Cut] [Moon-shaped Cut] Mexican Hyalite Opal 0.788ct Loose Stone by Nikko Kan

Sold out 【12552579掲載】ティンカーベルクォーツ（ピンクファイヤークォーツ） 1.255ctルース

[Koshu Precious Stone Cut] Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.255ct {Collaboration} Loose Patch
Sold out 【甲州貴石切子pluesthree】合成モアッサナイト 10mm/4.198ctルース ワッペン

[Koshu Precious Stone Cutting Plusthree] Synthetic Moissanite 10mm/4.198ct Loose Patch
Sold out 【甲州貴石切子plusthree】スカイブルートパーズ 6mm/0.958ctルース ワッペン付

[Koshu Precious Stones Plusthree] Sky Blue Topaz 6mm/0.958ct Loose Stone with Patch
Sold out ペリドット 0.798ctルース

[Koshu precious stone Kiriko plusthree] Peridot 6mm/0.798ct《Aya》 Loose with emblem
Sold out 合成モアッサナイト 4.157ctルース

[Koshu precious stone Kiriko plusthree] Synthetic moissanite 11mm/4.157ct《Collaboration》 Loose with emblem
Sold out ブラジル産カラーシフトアメジスト 0.955ctルース

[Koshu Precious Stone Kiriko plusthree] Color shift amethyst from Brazil 0.955ct loose with patch
Sold out 【甲州貴石切子plusthree】スイスブルートパーズ 3.844ctルース

[Koshu precious stone Kiriko plusthree] Swiss blue topaz <light> 3.844ct loose
Sold out 【甲州貴石切子plusthree】スイスブルートパーズ 3.985ctルース

[Koshu precious stone Kiriko plusthree] Swiss blue topaz <Subaru> 3.985ct loose
Sold out 【12546888更新】アメジスト 1.540ctルース

Neko Kiriko《Cat x Koshu precious stone Kiriko plusthree》Amethyst 1.540ct loose

Sold out 【12545797掲載】ロッククリスタル 0.650ctルース

[Lottery sale] [Koshu precious stone cut glass] Rock crystal 6mm/0.650ct loose

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.

The fifth reprint has been decided and is now on sale at bookstores nationwide and online.

Written by KARATZ, book “Jewelry Illustrated Book”

The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.

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