tourmaline

Tourmaline is one of the birthstones for October. It is a gemstone with so many color variations that it is said that there is no such thing as a non-existent color, and some gemstones show multiple colors within a single stone. It has the property of generating static electricity when heated, and its Japanese name is "tournament stone." Some are called by specific names depending on their color.

Karatz GemMagazine
" Tourmaline "

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Paraiba tourmaline from Mozambique 1.057ct loose Sale price¥29,800

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Paraiba tourmaline from Brazil 0.117ct loose Sale price¥39,800

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Blue tourmaline 0.369ct loose Japanese-German book

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Brazilian indicolite tourmaline 0.691ct loose stone Sale price¥19,800

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Brazilian indicolite tourmaline 0.674ct loose stone Sale price¥14,800

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Brazilian indicolite tourmaline 0.386ct loose stone Sale price¥9,800

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Brazilian indicolite tourmaline 0.750ct loose stone Sale price¥15,800

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Brazilian indicolite tourmaline 0.842ct loose stone Sale price¥15,800

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Paraiba tourmaline from Mozambique 0.227ct loose

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Paraiba tourmaline from Mozambique 0.256ct loose

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Brazilian bicolor tourmaline 1.554ct loose (tricolor tourmaline)

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Grey Tourmaline 0.486ct Loose Stone with Certificate of Authenticity

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Paraiba tourmaline from Mozambique 0.266ct loose

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Brazilian green tourmaline 0.490ct loose stone

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Brazilian Watermelon Tourmaline 5.554ct Loose Stone

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Brazilian Paraiba tourmaline 0.171ct loose stone (CuO: 1.7%, MnO: 2.3%)

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Limited to 6 stones: 1 loose canary yellow tourmaline from Mozambique. Discounts available for multiple purchases.

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Brazilian bicolor tourmaline 0.763ct loose stone (rose cut)

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Brazilian Indigolite Tourmaline 0.443ct Loose Stone with Certificate of Authenticity

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ブラジル産パライバトルマリン 0.157ctルース（CuO:1.0%、MnO:3.7%）

Brazilian Paraiba tourmaline 0.157ct loose (CuO:1.0%, MnO:3.7%)

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Kenyan illusion chrome tourmaline 2.745ct loose stone

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【KEN氏】トルマリンキャッツアイ 0.810ctルース - カラッツSTORE

Brazilian tourmaline cat's eye 0.810ct loose stone

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Brazilian Yellow Tourmaline 0.469ct Loose Stone with Certificate of Authenticity

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【ダンデライオンカット】グリーントルマリン 2.156ctルース《コラボ》ワッペン付

[Dandelion Cut] Brazilian Green Tourmaline 8mm/2.156ct Loose Stone

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Paraiba tourmaline from Brazil 0.217ct loose (CuO:1.5%, MnO:0.5%)

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ブラジル産パーティカラーパライバトルマリン 0.146ctルース（CuO:1.8%、MnO:3.0%)

Brazilian particolor Paraiba tourmaline 0.146ct loose (CuO:1.8%, MnO:3.0%)

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Brazilian Paraiba Tourmaline in Quartz 0.634ct Loose Stone

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Brazilian Paraiba Tourmaline in Quartz 2.915ct loose stone

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Brazilian Paraiba Tourmaline in Quartz 4.3mm/0.307ct Loose Stone

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Afghanistan Bicolor Tourmaline 1.653ct Loose Stone

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Brazilian bicolor tourmaline 6.258ct loose stone (tricolor tourmaline)

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Brazilian Green Tourmaline Cat's Eye 3.310ct Loose Stone

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Pt900/Pt850 ブラジル産パライバトルマリン 0.043ct ペンダント（ネックレス）

[On sale from 10pm on 5/5] Pt900/Pt850 Brazilian Paraiba Tourmaline 0.043ct Pendant (Necklace)

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[On sale from 22:00 on 5/5] Mozambique Illusion Paraiba Tourmaline 5.357ct loose stone (CuO: 0.2%, MnO: 4.6%)

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Nigerian pink tourmaline 1.527ct loose stone

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Brazilian Green Tourmaline 1.466ct Loose Stone

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ブラジル産パライバトルマリン 0.166ctルース（CuO:0.7%、MnO:3.6%）

Paraiba tourmaline from Brazil 0.166ct loose (CuO:0.7%, MnO:3.6%)

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[Koshu Precious Stone Cut] Brazilian Bicolor Tourmaline 4.150ct Loose Patch

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Afghanistan Green Tourmaline 4.1mm/0.259ct Loose Stone

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Brazilian Green Tourmaline 4.1mm/0.270ct Loose Stone

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Afghanistan Seafoam Tourmaline 4.0mm/0.260ct Loose Stone

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Afghanistan Seafoam Tourmaline 7.2mm/1.363ct Loose Stone

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Afghanistan Seafoam Tourmaline 5.1mm/0.487ct Loose Stone

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Afghanistan Seafoam Tourmaline 4.0mm/0.264ct Loose Stone

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K18YG Brazilian Paraiba Tourmaline 0.031ct Diamond Ring (CuO: 2.2%, MnO: 1.5%)

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【22602459掲載】K18/Pt950 ブラジル産パライバトルマリン 0.194ct ペンダントトップ（ネックレストップ）

K18/Pt950 Brazilian Paraiba Tourmaline 0.194ct Pendant (Necklace)

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ブラジル産パライバトルマリン 0.173ctルース（CuO:1.9%、MnO:1.0%）

Brazilian Paraiba Tourmaline 0.173ct loose stone (CuO: 1.9%, MnO: 1.0%)

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Mozambique Illusion Paraiba Tourmaline 3.987ct Loose Stone (CuO: 0.3%, MnO: 4.9%)

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.