Blue topaz

Topaz is the birthstone for November and has a blue color. Natural blue topaz with a deep color is very rare, and those on the market are mainly irradiated. Depending on the shade of color, it can be divided into three types: sky blue, Swiss blue, and London blue.

Karatz GemMagazine
" Blue topaz "

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[Clover in cut] London blue topaz 9mm/2.881ct loose stone with patch

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[Mr. Sanjay] Sky blue topaz 5.211ct loose stone

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Lymonite in blue topaz 22.199ct loose

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London blue topaz 2.021ct loose

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[Koshu precious stone Kiriko plusthree] Swiss blue topaz <light> 3.844ct loose

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[Koshu precious stone Kiriko plusthree] Swiss blue topaz <Subaru> 3.985ct loose

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Lymonite in blue topaz 8.241ct loose

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Lymonite in blue topaz 6.787ct loose

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Lymonite in blue topaz 5.582ct loose

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Lymonite in blue topaz 10.004ct loose

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

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[Mr. Sanjay] Blue Topaz 5mm/0.527ct Loose

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【甲州貴石切子】スイスブルートパーズ 16.682ct《コラボ》ルースワッペン付

[Koshu Precious Stone Kiriko] Swiss Blue Topaz 16.682ct《Collaboration》 Loose with emblem

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[Dandelion Cut] London Blue Topaz 6mm Loose with Patch

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【さくらインカット】ロンドンブルートパーズ 6mm ルースワッペン付 - カラッツSTORE

[Sakura Incut] London Blue Topaz 6mm Loose with Patch

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[Dandelion Cut] London Blue Topaz 6mm Loose with Patch

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[Koshu Precious Stone Kiriko] Swiss Blue Topaz 6mm Loose with Patch

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【甲州貴石切子plusthree】ブルートパーズ 7.433ctルースワッペン付

[Koshu precious stone Kiriko plusthree] Blue topaz 7.433ct loose with patch

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【甲州貴石切子plusthree】ロンドンブルートパーズ 3.479ctルースワッペン付

[Koshu Precious Stone Kiriko PlusThree] London Blue Topaz 3.479ct Loose with Patch

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【甲州貴石切子】ロンドンブルートパーズ 12.996ct《コラボ》ルースワッペン付

[Koshu Precious Stone Kiriko] London Blue Topaz 12.996ct《Collaboration》Loose with emblem

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[Dandelion Cut] London Blue Topaz 6mm Loose with Patch

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K18 London blue topaz ear cuff

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Limonite in Blue Topaz 20.382ct Ruth Japanese-German Edition

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Hematite in Blue Topaz 33.021ct Loose Japanese-German Edition

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Swiss blue topaz 9mm/2.918ct loose (concave cut)

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Blue topaz 13.590ct loose

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Blue topaz 27.760ct loose

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Swiss blue topaz 23.730ct loose

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London Blue Topaz 8mm Loose with Patch

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【さくらインカット】ロンドンブルートパーズ 8mmルースワッペン付 - カラッツSTORE

[Sakura Incut] London Blue Topaz 8mm Loose with Patch

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[Sakura Incut] London Blue Topaz 8mm Loose with Patch

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[Sakura Incut] London Blue Topaz 8mm Loose with Patch

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Blue topaz 18.490ct loose

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[Star in cut] Swiss blue topaz 6mm loose with patch

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[Dandelion Cut] Swiss Blue Topaz 6mm Loose with Patch

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[Konpeito] Sky blue topaz 3.430ct loose

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【さくらインカット】ロンドンブルートパーズ 12mm/6.00ctルース《コラボ》ワッペン付 - カラッツSTORE

[Sakura Incut] London Blue Topaz 12mm/6.00ct Loose "Collaboration" with emblem

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[Sakura Incut] London Blue Topaz 8mm Loose with Patch

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[Sakura Incut] London Blue Topaz 8mm Loose with Patch

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London blue topaz 2.909ct loose

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London blue topaz 3.130ct loose

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London blue topaz 8.720ct loose

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London blue topaz 7.630ct loose

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Sky blue topaz 9.260ct loose (concave cut)

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Blue topaz 12.880ct loose

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London blue topaz 4.690ct loose

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[Cat cut] Swiss blue topaz 2.070ct loose

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[Star cherry cut] Sky blue topaz 4.465ct 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.

KARATZ・Five Commitments