Copper rutilated quartz 1.135ct loose
Sale price¥5,980
Copper rutilated quartz 1.165ct loose
Sale price¥5,980
Copper rutilated quartz 1.747ct loose
Sale price¥6,980
Hokkaido rhodochrosite 0.835ct loose
Sale price¥14,800
Hokkaido rhodochrosite 0.955ct loose
Sale price¥7,980
Hokkaido rhodochrosite 0.905ct loose
Sale price¥7,980
Hokkaido rhodochrosite 1.035ct loose
Sale price¥9,800
Rubellite 7.068ct loose Japanese-German book
Sale price¥498,000
Lazurite in quartz 0.959ct loose
Sale price¥29,800
Lazurite in quartz 0.877ct loose
Sale price¥25,800
Lazurite in quartz 0.353ct loose
Sale price¥9,800
Rhodochrosite 0.300ct loose from Detroit City
Sale price¥29,800
Rhodochrosite 0.331ct loose from Detroit City
Sale price¥29,800
Rhodochrosite 0.317ct loose from Detroit City
Sale price¥29,800
Brazilian Lazurite (Celestite) 0.281ct Ruth Japanese-German Edition
Sale price¥118,000
Rhodochrosite 4.000ct loose from Detroit City
Sale price¥498,000
American red beryl 0.143ct loose
Sale price¥17,800
American red beryl 0.115ct loose
Sale price¥13,800
American red beryl 0.208ct loose
Sale price¥25,800
American red beryl 0.141ct loose
Sale price¥16,800
American red beryl 0.136ct loose
Sale price¥16,800
Red beryl 0.104ct loose
Sale price¥34,800
Red beryl 0.120ct loose
Sale price¥36,800
Labradorite Moonstone 1.598ct Loose Stone Japanese-German
Sale price¥9,800
South African rhodochrosite 1.333ct loose Japanese-German edition
Sale price¥128,000
Rhodolite garnet 0.990ct loose
Sale price¥5,980
Brazilian Rhodonite 2.126ct Ruth Japanese-German Edition
Sale price¥88,800
Unheated Ruby from Myanmar 0.433ct Ruth Japanese-German Edition
Sale price¥59,800
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.