Japanese style twin crystal 4.715ct raw stone
Sale price¥15,800
Japanese style twin crystal 3.472ct raw stone
Sale price¥9,800
0.620ct rough stone of Jeremejevite from Namibia
Sale price¥6,980
Brazilian Paraiba Tourmaline 0.759ct rough stone
Sale price¥45,800
Russian diamond rough (sawable) 0.094ct rough
Sale price¥24,800
Brazilian Paraiba Tourmaline 0.821ct rough stone
Sale price¥39,800
Colombian emerald 1.435ct rough stone
Sale price¥18,800
Tanzanian bicolor tanzanite rough stone 2.750ct
Sale price¥9,800
Oligoclase 41.120ct rough stone
Sale price¥6,980
Australian Shell Opal (Shell Opal) 73.321ct Rough Stone
Sale price¥49,800
Tanzanian bicolor tanzanite rough stone 2.454ct
Sale price¥12,800
Tanzania Purple Zoisite Rough Stone 1.160ct
Sale price¥8,800
3.324ct Tanzanian Purple Zoisite Rough Stone
Sale price¥6,980
Tanzania Bicolor Pink Zoisite 4.037ct Rough Stone
Sale price¥12,800
Tanzania Bicolor Pink Zoisite 5.041ct Rough Stone
Sale price¥12,800
Tanzania Purple Zoisite Rough Stone 5.522ct
Sale price¥9,800
Tanzania Bicolor Zoisite 1.608ct Rough Stone
Sale price¥12,800
Tanzania Purple Zoisite Rough Stone 2.590ct
Sale price¥9,800
Ethiopian Opal 167.191ct Rough Stone
Sale price¥39,800
Watermelon tourmaline 7.799ct rough stone
Sale price¥11,800
Watermelon tourmaline 6.575ct rough stone
Sale price¥9,800
Tanzania Purple Zoisite 0.863ct Rough Stone
Sale price¥8,800
South African diamond rough (sawable) 0.110ct rough
Sale price¥25,800
South African diamond rough (sawable) 0.091ct rough
Sale price¥22,800
South African diamond rough (sawable) 0.085ct rough
Sale price¥19,800
Amethyst 4.249ct rough stone
Sale price¥9,800
Bicolor Zoisite 0.823ct rough stone
Sale price¥8,800
Purple Zoisite 2.617ct rough stone
Sale price¥13,800
Bicolor Tanzanite 1.677ct rough stone
Sale price¥8,800
Bicolor Tanzanite 3.856ct rough stone
Sale price¥19,800
Bicolor Tanzanite 5.582ct rough stone
Sale price¥29,800
Colombian emerald 0.153ct rough stone
Sale price¥7,980
Colombian emerald 0.202ct rough stone
Sale price¥9,800
Colombian emerald 0.499ct rough stone
Sale price¥15,800
Colombian emerald 0.443ct rough stone
Sale price¥9,800
Colombian Trapiche Emerald 0.317ct Rough Stone
Sale price¥19,800
Colombian Trapiche emerald 0.424ct rough stone
Sale price¥39,800
Colombian Trapiche emerald 0.611ct rough stone
Sale price¥69,800
Colombian Trapiche emerald 0.418ct rough stone
Sale price¥39,800
American Euperlite 50.042ct rough stone
Sale price¥3,980
Colombian Trapiche Emerald (Reverse Trapiche) 0.073ct Rough Stone
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.078ct rough stone
Sale price¥7,980
Colombian trapiche emerald (reverse trapiche) 0.152ct rough stone
Sale price¥17,800
Colombian Trapiche Emerald (Reverse Trapiche) 0.111ct Rough Stone
Sale price¥12,800
Colombian Trapiche Emerald (Reverse Trapiche) 0.183ct Rough Stone
Sale price¥18,800
Diamond rough stone 0.967ct
Sale price¥5,980
Diamond rough stone 1.293ct
Sale price¥5,980
Colombian emerald 0.381ct rough stone
Sale price¥12,800
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.