Cornell pin from Tanzania 3.5mm/0.173ct loose
Sale price¥14,800
Tanzanian Kornerupine 3.4mm/0.185ct Loose Stone
Sale price¥12,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.151ct loose
Sale price¥14,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.169ct loose
Sale price¥18,800
Brazilian dumortierite in quartz 6mm/0.852ct loose
Sale price¥12,800
Color change sapphire 0.526ct loose
Sale price¥6,980
Color change sapphire 0.453ct loose
Sale price¥5,980
Strawberry quartz from Kazakhstan 0.977ct loose
Sale price¥7,980
Strawberry quartz from Kazakhstan 0.803ct loose
Sale price¥6,980
Strawberry quartz from Kazakhstan 1.613ct loose
Sale price¥12,800
Strawberry quartz from Kazakhstan 0.773ct loose
Sale price¥6,980
Strawberry quartz from Kazakhstan 1.031ct loose
Sale price¥8,800
Strawberry quartz from Kazakhstan 0.815ct loose
Sale price¥6,980
Strawberry quartz from Kazakhstan 0.915ct loose
Sale price¥6,980
Strawberry quartz from Kazakhstan 1.536ct loose
Sale price¥12,800
Cornell pin from Tanzania 0.246ct loose
Sale price¥39,800
Tanzanian Kornerupine 0.264ct loose stone
Sale price¥29,800
Tanzanian Kornerupine 0.277ct loose stone
Sale price¥29,800
Tanzanian Kornerupine 0.272ct loose stone
Sale price¥22,800
Brazilian dumortierite in quartz 0.731ct loose
Sale price¥8,800
Brazilian dumortierite in quartz 0.496ct loose
Sale price¥6,580
Brazilian dumortierite in quartz 0.506ct loose
Sale price¥7,980
Brazilian dumortierite in quartz 0.309ct loose
Sale price¥4,980
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
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 3.089ct loose
Sale price¥11,000
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
Brazilian dumortierite in quartz 1.517ct loose
Sale price¥12,800
Brazilian dumortierite in quartz 3.247ct loose
Sale price¥25,800
Brazilian dumortierite in quartz 1.796ct loose
Sale price¥15,800
Brazilian dumortierite in quartz 2.227ct loose
Sale price¥18,800
Brazilian dumortierite in quartz 2.443ct loose
Sale price¥24,800
Brazilian dumortierite in quartz 1.142ct loose
Sale price¥9,800
Goshenite 6.7mm/0.995ct loose 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.
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.