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Brazilian alexandrite

Brazilian alexandrite is said to be of the highest quality, second only to Russian alexandrite. Many of them are highly transparent and have easy-to-understand discoloration effects, but the production volume is decreasing year by year and prices are rising. You may also find one with a strong blue flavor similar to the one from Russia.

Karatz GemMagazine
" Characteristics of Alexandrite by production area "

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coming soon ブラジル産アレキサンドライト 0.102ctルース 鑑別書
Sold out ブラジル産アレキサンドライト 0.220ctルース
Sold out ブラジル産アレキサンドライト 0.290ctルース
Sold out Brazilian alexandrite 0.109ct loose
Sold out Brazilian Alexandrite 2.7mm/0.105ct Loose Stone
Sold out Brazilian Alexandrite Cat's Eye 2.6mm/0.111ct Loose Stone
Sold out Brazilian Alexandrite Cat's Eye 0.097ct Loose Stone
Sold out Brazilian Alexandrite 3.0mm/0.121ct Loose
Sold out Color Change Gacha💎 Russian alexandrite, Brazilian alexandrite, and Tanzanian color-change garnets, usually priced at ¥39,800. 《Discounts for multiple purchases available》
Sold out Brazilian Alexandrite 0.244ct Ruth (Hemachita Mine)
Sold out Brazilian alexandrite 0.112ct loose
Sold out ブラジル産アレキサンドライト 0.058ctルース
Sold out Brazilian alexandrite 0.066ct loose (Hemachita mine)
Sold out Brazilian Alexandrite 0.073ct Ruth (Hemachita Mine)
Sold out ブラジル産アレキサンドライト 0.099ctルース(ヘマチタ鉱山)
Sold out ブラジル産アレキサンドライト 0.097ctルース(ヘマチタ鉱山)
Sold out ブラジル産アレキサンドライト 0.098ctルース(ヘマチタ鉱山)
Sold out ブラジル産アレキサンドライト 0.082ctルース
Sold out アレキサンドライト 0.326ctルース
Sold out アレキサンドライト 0.138ctルース
Sold out 【22602505掲載】K18YG ブラジル産アレキサンドライト 0.087ct ピンキーリング
Sold out ブラジル産アレキサンドライト 0.044ctルース
Sold out ブラジル産アレキサンドライト 0.151ctルース
Sold out ブラジル産アレキサンドライト 0.054ctルース(エメラルドカット)
Sold out ブラジル産アレキサンドライト 0.097ctルース
Sold out ブラジル産アレキサンドライト 0.082ctルース
Sold out Pt950ブラジル産アレキサンドライト0.301ct・ダイヤモンドリング
Sold out Pt950 ブラジル産アレキサンドライト 0.144ct リング
Sold out Limited to 12 stones: 1 Brazilian Alexandrite loose stone (round cut, 1.0mm) Multiple purchase discounts available
Sold out Limited to 5 stones: 1 Brazilian Alexandrite loose stone (round cut, 1.3mm) Multiple purchase discounts available
Sold out ブラジル産アレキサンドライト 0.098ctルース
Sold out ブラジル産アレキサンドライト 0.095ctルース
Sold out ブラジル産アレキサンドライト 0.158ctルース
Sold out ブラジル産アレキサンドライト 0.147ctルース(プリンセスカット)
Sold out ブラジル産アレキサンドライト 0.145ct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.