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bicolor tourmaline

Tourmaline, which is the birthstone for October, refers to those that exhibit two colors in one crystal. There are various combinations such as pink and green, pink and blue, and green and colorless. Each gemstone has its own unique color and balance, so you can enjoy its individuality. Those with pink to red hues surrounded by green hues are called "watermelon tourmalines" because they look similar to watermelons.

Karatz GemMagazine
" Bicolor tourmaline "

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Sold out Bicolor Gacha including Brazilian parti-colored Paraiba tourmaline (CuO: 1.7%, MnO: 2.9%), bicolor sapphire, bicolor tourmaline, and specially cut bicolor fluorite, normally 79,800 JPY (multiple purchase discount available)
Sold out Limited to 10 stones: Brazilian Bicolor Tourmaline (Baguette Cut) - 1 loose stone. Discounts available for multiple purchases.
Sold out 《9石限定》ジェムガチャ『春色カラー』💎バイカラートルマリン1石 - カラッツSTORE
Sold out 【12562820掲載】ブラジル産バイカラートルマリン 7.445ctルース
Sold out 【12562701掲載】ブラジル産バイカラートルマリン 4.554ctルース
Sold out バイカラートルマリン 0.974ctルース
Sold out Bicolor tourmaline 3.242ct rough stone from Afghanistan
Sold out Brazilian bicolor tourmaline 1.016ct loose stone
Sold out Brazilian bicolor tourmaline 7.017ct loose stone
Sold out ブラジル産バイカラートルマリン 4.782ctルース

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.