Ruby

Ruby is the birthstone of July. It is a type of corundum, the same mineral as sapphire, and is a red gemstone. It is also said to be the representative of red gemstones, and has a long history of being cherished all over the world since ancient times. With a hardness of 9, it is the second hardest after diamond and is highly durable, making it a gemstone that can be enjoyed on a daily basis as jewelry.

Karatz GemMagazine
" Ruby "

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ビルマ産ルビー 0.950ctルース AIGS付 - KARATZ STORE｜カラッツSTORE

Burmese ruby 0.950ct loose

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ビルマ産ピジョンブラッドルビー 0.270ctルース AIGS付 - KARATZ STORE｜カラッツSTORE

Burmese pigeon blood ruby 0.270ct loose with AIGS

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ビルマ産ルビー 1.090ctルース GIA付 - KARATZ STORE｜カラッツSTORE

Ruby from Burma 1.090ct loose with GIA

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ビルマ産ピジョンブラッドルビー 1.050ctルース AIGS付 - KARATZ STORE｜カラッツSTORE

Burmese pigeon blood ruby 1.050ct loose with AIGS

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ビルマ産ピジョンブラッドルビー 0.250ctルース AIGS付 - KARATZ STORE｜カラッツSTORE

Burmese pigeon blood ruby 0.250ct loose with AIGS

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非加熱ピジョンブラッドルビー 0.83ctルース AIGS付 - KARATZ STORE｜カラッツSTORE

Unheated pigeon blood ruby 0.83ct loose with AIGS

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非加熱ピジョンブラッドルビー 0.79ctルース AIGS付 - KARATZ STORE｜カラッツSTORE

Unheated pigeon blood ruby 0.79ct loose with AIGS

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Pt950ビルマ産ピジョンブラッドルビー 0.37ct リング GIA付 - KARATZ STORE｜カラッツSTORE

Pt950 Burmese pigeon blood ruby 0.37ct ring with GIA

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ビルマ産非加熱ピジョンブラッドルビー 0.34ctルース AIGS付 - KARATZ STORE｜カラッツSTORE

Burmese unheated pigeon blood ruby 0.34ct loose with AIGS

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K18ルビーピアス（2パターン） - KARATZ STORE｜カラッツSTORE

K18 ruby earrings (2 patterns)

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K18PG Ruby Rose Quartz Ring

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非加熱ピジョンブラッドルビー 1.13ctルース GRS付 - KARATZ STORE｜カラッツSTORE

Unheated Pigeon Blood Ruby 1.13ct loose with GRS

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ピジョンブラッドルビー 0.54ctルース AIGS付 - KARATZ STORE｜カラッツSTORE

Pigeon blood ruby 0.54ct loose with AIGS

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モザンビーク産ピジョンブラッドルビー 0.35ctルース AIGS付 - KARATZ STORE｜カラッツSTORE

Pigeon blood ruby from Mozambique 0.35ct loose with AIGS

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 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.