January birthstone

Many people may have the impression that garnet is a red gemstone, but it actually comes in many shades. In fact, garnet is not the name of a single gemstone, but the name of a group of minerals with similar chemical compositions. Also, there are some types that are made by mixing several types, so I think it would be fun to collect gemstones with different colors and types. Some types appear to change color depending on the light source.

Karatz GemMagazine “ List of January birthstones and birthstones ”

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カラーチェンジガーネット（ベキリーブルーガーネット） 0.824ctルース（針状）

Bekily Blue Garnet (color change garnet) 0.824ct loose (acicular)

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【カラフリ】K18WGロシア産デマントイドガーネット0.73 ペンダント（ネックレス） - カラッツSTORE

[Colorful] K18WG Russian Demantoid Garnet 0.73 Pendant (Necklace)

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【カラフリ】K18ツァボライト0.35 ペンダントトップ（ネックレストップ） - カラッツSTORE

[Colorful] K18 tsavorite 0.35 pendant top (necklace top)

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Bekily Blue Garnet (Color Change Garnet) 0.171ct Loose Needle

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Bekily Blue Garnet (color change garnet) 0.185ct loose

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Bekily Blue Garnet (color change garnet) 0.201ct loose

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Bekily Blue Garnet (color change garnet) 0.202ct loose

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Bekily Blue Garnet (color change garnet) 0.317ct loose

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Bekily Blue Garnet (color change garnet) 0.249ct loose

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Bekily Blue Garnet (color change garnet) 0.201ct loose

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Bekily Blue Garnet (color change garnet) 0.147ct loose

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Bekily Blue Garnet (color change garnet) 0.113ct loose

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ベキリーブルーガーネット（カラーチェンジガーネット） 2.2mm/0.084ctルース

Bekily Blue Garnet (color change garnet) 2.2mm/0.084ct loose

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カラーチェンジガーネット（ベキリーブルーガーネット） 2.2mm/0.073ctルース

Bekily Blue Garnet (color change garnet) 2.2mm/0.073ct loose

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Bekily Blue Garnet (color change garnet) 0.162ct loose

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Rhodolite garnet 0.814ct loose

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Rhodolite garnet 0.768ct loose

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Rhodolite garnet 0.880ct loose

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Russian demantoid garnet (horsetail recognized) 0.285ct loose

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Russian demantoid garnet (horsetail recognized) 0.249ct loose

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Uvarovite Garnet 6.150ct rough stone

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Andradite Garnet (Commonly known as Rainbow Garnet) 1.00ct Loose

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[Koshu Precious Stone Kiriko] Rhodolite Garnet 2.07ct Loose "Collaboration" with Patch

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Russian demantoid garnet (horsetail recognized) 3mm/0.141ct loose

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Russian demantoid garnet (horsetail recognized) 0.142ct loose

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【12530443掲載】ロシア産デマントイドガーネット（ホーステール認む） 0.174ctルース

Russian demantoid garnet 3.2mm/0.174ct loose

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ロシア産デマントイドガーネット（ホーステール認む） 3.0mm/0.137ct ルース

Russian demantoid garnet (horsetail recognized) 3.0mm/0.137ct loose

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Andradite garnet (commonly known as rainbow garnet) 3.459ct loose

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【さくらインカット】ロードライトガーネット6mmルースワッペン付 - カラッツSTORE

[Sakura Incut] Rhodolite Garnet 6mm Loose with Patch

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Russian demantoid garnet (horsetail recognized) 0.142ct loose

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Russian demantoid garnet (horsetail recognized) 0.081ct loose

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Russian demantoid garnet (horsetail recognized) 0.195ct loose

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[Cat cut] Almandine garnet 1.30ct loose

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[Cat cut] Almandine garnet 2.830ct loose

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[Koshu Precious Stone Kiriko] Almandine Garnet 1.360ct Loose

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Malayan garnet 0.868ct loose

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ロシア産デマントイドガーネットキャッツアイ（ホーステール認む） 2.120ctルース

Russian demantoid garnet cat's eye (horsetail recognized) 2.120ct loose

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Garnet in quartz 6.710ct loose

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ロシア産デマントイドガーネットキャッツアイ（ホーステール認む） 1.670ctルース

Russian demantoid garnet cat's eye (horsetail recognized) 1.670ct loose

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Grape garnet 5.730ct loose

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ロシア産デマントイドガーネットキャッツアイ（ホーステール認む） 2.280ctルース

Russian demantoid garnet cat's eye (horsetail recognized) 2.280ct loose

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Pt950カラーチェンジガーネット0.18ct ペンダント（ベキリーブル−タイプ） - カラッツSTORE

Pt950 Color Change Garnet 0.18ct Pendant (Bekily Blue Type)

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Demantoid garnet 0.176ct loose

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Russian demantoid garnet (horsetail recognized) 3mm/0.121ct loose

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Russian demantoid garnet (horsetail recognized) 0.120ct loose

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Russian demantoid garnet (horsetail recognized) 0.118ct loose

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ロシア産デマントイドガーネット（ホーステール認む） 3mm/0.115ctルース

Russian demantoid garnet (horsetail recognized) 3mm/0.115ct loose

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Russian demantoid garnet (horsetail recognized) 0.111ct 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