Blue tourmaline from Afghanistan 4.5mm/0.326ct loose
Sale price¥8,800
Afghanistan Blue Tourmaline 5.0mm/0.457ct Loose Stone
Sale price¥19,800
Brazilian Blue Tourmaline 0.650ct Loose
Sale price¥9,800
Brazilian bicolor tourmaline 6.928ct loose stone (bicolor blue tourmaline)
Sale price¥298,000
Brazilian Blue Tourmaline 0.196ct Loose
Sale price¥8,800
Blue Tourmaline 1.460ct Loose Stone Japan-Germany Exchange
Sale price¥29,800
Blue tourmaline 0.369ct loose Japanese-German book
Sale price¥8,800
Blue tourmaline from Afghanistan 0.213ct loose
Sale price¥5,980
Blue tourmaline from Afghanistan 0.209ct loose
Sale price¥6,980
Blue tourmaline from Afghanistan 3.5mm/0.178ct loose
Sale price¥6,980
Brazilian blue tourmaline 0.376ct loose
Sale price¥8,800
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.