Diamond 0.051ct loose (trapeze cut, VS class equivalent)
Sale price¥7,980
Benitoite from the USA, 0.064ct loose
Sale price¥29,800
German Apatite 0.048ct Loose Stone
Sale price¥19,800
Brazilian Paraiba tourmaline 0.065ct loose (CuO:2.0%, MnO:2.6%)
Sale price¥22,800
Russian Alexandrite 0.091ct Loose Stone
Sale price¥69,800
0.097ct Grandidierite Loose Stone from Madagascar
Sale price¥29,800
Paraiba tourmaline from Brazil 0.097ct loose
Sale price¥22,800
Colombian emerald 3.1mm/0.093ct loose stone
Sale price¥22,800
Paraiba tourmaline from Brazil 0.039ct loose (CuO:1.5%, MnO:2.0%)
Sale price¥24,800
Paraiba tourmaline from Brazil 0.032ct loose (CuO:2.2%, MnO:1.8%)
Sale price¥25,800
Paraiba tourmaline from Brazil 0.062ct loose (CuO:1.4%, MnO:1.5%)
Sale price¥39,800
Canadian rough diamond (sawable) 0.096ct rough with trigon
Sale price¥29,800
Benitoite 0.091ct loose (emerald cut)
Sale price¥25,800
Silky diamond 2.7mm/0.086ct loose
Sale price¥9,800
Silky diamond 2.8mm/0.097ct loose
Sale price¥9,800
American benitoite 0.076ct loose
Sale price¥19,800
American benitoite 0.074ct loose
Sale price¥18,800
American Benitoite 2.5mm/0.065ct Loose Stone
Sale price¥17,800
Benitoite 2.5mm/0.079ct loose
Sale price¥23,800
American benitoite 0.069ct loose
Sale price¥19,800
Colombian emerald 0.091ct loose stone
Sale price¥15,800
German Hauyne 2.7mm/0.076ct Loose Stone
Sale price¥29,800
American benitoite 0.097ct loose
Sale price¥24,800
American benitoite 0.098ct loose
Sale price¥25,800
Purple Diamond 0.070ct Loose (FANCY VIVID PINK PURPLE, I-1)
Sale price¥188,000
Diamond 0.052ct loose (trapeze cut, VS class equivalent)
Sale price¥6,980
American red beryl 2.9mm/0.094ct loose
Sale price¥29,800
Diamond 0.061ct loose (trapeze cut, VS class equivalent)
Sale price¥7,980
Diamond 0.042ct loose (trapeze cut, VS class equivalent)
Sale price¥6,980
Diamond 0.039ct loose (trapeze cut, equivalent to VS class)
Sale price¥5,980
Moldavite from the former Czechoslovakia, 0.097ct loose stone
Sale price¥8,800
Moldavite from the former Czechoslovakia, 0.095ct loose stone
Sale price¥8,800
Russian Alexandrite 0.083ct loose stone
Sale price¥69,800
Russian Alexandrite 0.049ct loose stone
Sale price¥49,800
Russian Alexandrite 2/5mm/0.070ct Loose Stone
Sale price¥59,800
German Awinite 0.063ct loose stone
Sale price¥29,800
German Apatite 0.073ct loose stone
Sale price¥32,800
Bicolor Euclase from Zimbabwe 0.084ct loose
Sale price¥98,000
Brazilian Alexandrite 0.097ct Loose Stone (Emerald Cut)
Sale price¥38,800
German Auchenite 0.095ct loose stone
Sale price¥39,800
German Auchenite 0.085ct loose stone
Sale price¥45,800
German Auchenite 0.083ct loose stone
Sale price¥45,800
[12552640] Unheated Brazilian Paraiba Tourmaline 0.073ct loose stone
Sale price¥49,800
[12552618] Unheated Brazilian Paraiba Tourmaline 0.063ct loose stone
Sale price¥49,800
Benitoite 0.095ct loose
Sale price¥18,800
German Awinite 0.070ct loose stone
Sale price¥15,800
[Posted 32501454] Pink Diamond 0.051ct Loose (FANCY LIGHT PINK, SI-2)
Sale price¥39,800
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.
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.