Benitoite 0.091ct loose
Sale price¥22,800
Colombian trapiche emerald (reverse trapiche) 0.099ct loose
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.074ct loose
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.084ct loose
Sale price¥8,800
Kenyan gold sheen sapphire 2.3mm/0.083ct loose
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.072ct loose
Sale price¥6,980
Colombian trapiche emerald (reverse trapiche) 0.095ct loose
Sale price¥6,980
Colombian trapiche emerald (reverse trapiche) 0.094ct loose
Sale price¥9,800
Red Beryl 2.9mm/0.096ct loose
Sale price¥25,800
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
[11/10 22:00 Sale] Oil-free American red beryl 0.060ct loose GIA
Sale price¥128,000
[11/2 22:00] American Benitoite 0.071ct Loose Stone
Sale price¥12,800
[10/31 22:00 Sale] German Auchenite 0.063ct Loose Stone
Sale price¥29,800
[10/31 22:00 Sale] German Auchenite 0.073ct Loose Stone
Sale price¥32,800
Moldavite from the former Czechoslovakia, 0.090ct loose stone
Sale price¥9,800
Russian Demantoid Garnet (Horsetail) 0.036ct Loose Stone
Sale price¥6,980
Russian Demantoid Garnet (Horsetail) 2.5mm/0.079ct Loose Stone
Sale price¥12,800
Russian Demantoid Garnet (Horsetail) 2.5mm/0.075ct Loose Stone
Sale price¥12,800
Russian Demantoid Garnet (Horsetail) 2.5mm/0.073ct Loose Stone
Sale price¥14,800
Russian Alexandrite 0.088ct loose stone
Sale price¥59,800
Russian Alexandrite 0.058ct loose stone
Sale price¥49,800
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
[12552618] Unheated Brazilian Paraiba Tourmaline 0.063ct loose stone
Sale price¥65,800
[12552081] Unheated Brazilian Paraiba Tourmaline 0.025ct Loose Stone
Sale price¥29,800
[12552075] Unheated Brazilian Paraiba Tourmaline 0.037ct loose stone
Sale price¥45,800
Brazilian Alexandrite 0.073ct Ruth (Hemachita Mine)
Sale price¥12,800
Brazilian Alexandrite 0.099ct Ruth (Hemachita Mine)
Sale price¥19,800
Brazilian Alexandrite 0.097ct Ruth (Hemachita Mine)
Sale price¥22,800
Brazilian Alexandrite 0.098ct Ruth (Hemachita Mine)
Sale price¥22,800
Jeremejevite from Namibia 0.056ct loose
Sale price¥12,800
Jeremejevite from Namibia 0.034ct loose
Sale price¥9,800
Jeremejevite from Namibia 0.064ct loose
Sale price¥12,800
Sri Lankan white sapphire 2.9mm/0.086ct loose (rose cut)
Sale price¥3,980
Benitoite 0.095ct loose
Sale price¥18,800
Brazilian alexandrite 0.082ct loose
Sale price¥15,800
[12554117] Brazilian Alexandrite 0.058ct loose stone
Sale price¥14,800
Afghanistan Hackmanite 0.091ct loose stone
Sale price¥18,800
German Auchenite 0.090ct loose stone
Sale price¥39,800
German Apatite 0.097ct loose stone
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.