[Updated 12552163] Benitoite 0.099ct loose stone
Sale price¥34,800
South African diamond rough (sawable) 0.091ct rough
Sale price¥22,800
South African diamond rough (sawable) 0.085ct rough
Sale price¥19,800
Paraiba tourmaline from Brazil 0.057ct loose
Sale price¥22,800
Paraiba tourmaline from Brazil 0.061ct loose
Sale price¥25,800
Paraiba tourmaline from Brazil 0.049ct loose
Sale price¥19,800
Paraiba tourmaline from Brazil 0.018ct loose
Sale price¥14,800
Paraiba tourmaline from Brazil 0.023ct loose
Sale price¥19,800
Tibetan bicolor andesine 1.485ct loose stone (color change andesine)
Sale price¥18,800
Mongolian bicolor andesine (color change andesine) 1.305ct loose stone
Sale price¥15,800
Paraiba tourmaline from Brazil 0.071ct loose
Sale price¥25,800
Unheated Silky Pink Sapphire from Vietnam 2.4mm/0.078ct Loose
Sale price¥4,980
German Awinite 0.064ct loose stone
Sale price¥18,800
Unheated Brazilian Paraiba Tourmaline 0.038ct loose stone
Sale price¥59,800
Zimbabwean Euclase 0.058ct loose stone
Sale price¥39,800
Zimbabwean Euclase 0.088ct loose stone
Sale price¥69,800
Benitoite 2.0mm/0.050ct loose stone (cabochon cut)
Sale price¥6,980
Brazilian Bicolor Euclase 2.4mm/0.051ct Loose Stone
Sale price¥22,800
German Awinite 0.070ct loose stone
Sale price¥32,800
German Awinite 0.056ct loose stone
Sale price¥25,800
Diamond 0.042ct loose (VS class equivalent, emerald cut)
Sale price¥8,800
Brazilian Alexandrite 0.066ct loose stone
Sale price¥12,800
Benitoite 1.8mm/0.025ct loose stone (colorless benitoite)
Sale price¥12,800
Benitoite 1.8mm/0.025ct loose stone (colorless benitoite)
Sale price¥15,800
Benitoite 1.8mm/0.028ct loose stone (colorless benitoite)
Sale price¥14,800
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
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.
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.