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Bicolor Zoisite (Bicolor Tanzanite)

Zoisite has two different colors in one stone.
Each piece has a different color combination and balance, giving it a unique look.
Tanzanite that shows two colors on a blue to violet background is called bicolor tanzanite.

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Sold out Bicolor tanzanite 2.270ct loose
Sold out バイカラータンザナイト 0.739ctルース
Sold out Bicolor Zoisite 2.20ct loose (Bicolor Tanzanite)
Sold out バイカラーゾイサイト 2.020ctルース
Sold out K18バイカラーゾイサイト0.77ct リング(バイカラータンザナイト) - カラッツSTORE
coming soon 【12531407掲載】バイカラーゾイサイト 0.860ct原石
Sold out Tanzania Bicolor Zoisite 1.680ct Loose Stone
Sold out Tanzania Bicolor Zoisite 2.270ct Loose Stone
Sold out バイカラーゾイサイト 0.884ctルース
Sold out バイカラータンザナイト 0.345ctルース
Sold out Pt900バイカラーゾイサイト1.39ct リング(バイカラータンザナイト) - カラッツSTORE
Sold out バイカラータンザナイト 3.750ctルース
Sold out Bicolor Zoisite 2.600ct Loose (Bicolor Tanzanite)
Sold out K18バイカラータンザナイト7.55ct ペンダント(ネックレス) - カラッツSTORE
Sold out Pt900バイカラータンザナイト1.009ct リング - KARATZ STORE|カラッツSTORE
Sold out Pt950バイカラータンザナイト0.661ct リング - KARATZ STORE|カラッツSTORE
Sold out Pt900バイカラータンザナイト0.892ct リング - KARATZ STORE|カラッツSTORE
Sold out Pt950バイカラータンザナイト0.806ct ペンダントトップ(ネックレストップ) - KARATZ STORE|カラッツSTORE
Sold out K18バイカラータンザナイト0.84ct ダイヤモンドリング - KARATZ STORE|カラッツSTORE
Sold out K18バイカラータンザナイト0.72ct リング - KARATZ STORE|カラッツSTORE

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の取り組みと社会貢献

業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。

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.