Colombian Euclase 3.417ct rough stone
Sale price¥12,800
Myanmar trapichel ruby 0.179ct rough stone
Sale price¥3,980
Myanmar trapichel ruby 0.160ct rough stone
Sale price¥5,980
Trapichel ruby from Myanmar 0.231ct rough stone
Sale price¥5,980
Myanmar trapichel ruby 0.152ct rough stone
Sale price¥4,980
Trapichel ruby from Myanmar 0.202ct rough stone
Sale price¥3,980
Myanmar trapichel ruby 0.261ct rough stone
Sale price¥4,980
Purple zoisite 3.758ct rough stone from Tanzania
Sale price¥29,800
Bicolor tanzanite 1.165ct rough stone from Tanzania
Sale price¥9,800
Bicolor tanzanite 1.121ct rough stone from Tanzania
Sale price¥8,800
Bicolor tanzanite 0.492ct raw stone from Tanzania
Sale price¥8,800
Pink zoisite 3.206ct rough stone from Tanzania
Sale price¥9,800
Cornelpine 0.520ct rough stone
Sale price¥3,980
Cornelpine 0.500ct rough stone
Sale price¥4,980
Cornerpine 0.890ct rough stone
Sale price¥5,980
Cornelpine 0.880ct rough stone
Sale price¥3,980
Cornelpine 0.740ct rough stone
Sale price¥3,980
Cornerpine 0.400ct rough stone
Sale price¥2,980
Cornerpine 0.730ct rough stone
Sale price¥2,980
Cornelpine 0.490ct rough stone
Sale price¥2,980
Brazilian Paraiba tourmaline 0.285ct raw stone (CuO:1.7%, MnO:2.7%)
Sale price¥19,800
Oligoclase Sunstone 26.660ct rough stone
Sale price¥19,800
Colombian Euclase 548.00ct rough stone
Sale price¥248,000
Tanzanite 4.940ct rough stone
Sale price¥6,980
Cornerpine 0.730ct rough stone
Sale price¥4,980
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.
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.
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.