Brazilian Euclase 0.610ct loose
Sale price¥14,800
Brazilian Paraiba tourmaline in quartz 2.954ct loose
Sale price¥39,800
Brazilian Medusa Quartz (Paraiba Quartz) 3.919ct loose
Sale price¥6,980
White topaz 16.06ct loose
Sale price¥25,800
Paraiba tourmaline from Brazil 0.34ct loose GIA
Sale price¥79,800
Loose Tourmaline from Brazil, 0.270 ct
Sale price¥5,980
Brazilian Dumortierite in Quartz 10.0mm/5.357ct Loose Stone
Sale price¥39,800
Brazilian Amethyst 0.256ct Loose Stone
Sale price¥8,800
Brazilian rose quartz 4.019ct loose stone
Sale price¥11,000
Brazilian rose quartz 1.848ct loose stone
Sale price¥9,800
Brazilian Rose Quartz 1.793ct Loose Stone
Sale price¥9,800
Brazilian rose quartz 2.167ct loose stone
Sale price¥9,800
Brazil Indicolite Tourmaline 0.431ct Loose Gemstone with Certificate
Sale price¥29,800
Pink tourmaline 0.516ct loose
Sale price¥5,980
[12545123 published] Yellow Beryl 0.696ct loose
Sale price¥3,980
Paraiba tourmaline from Brazil 0.144ct loose (CuO:0.9%,MnO:2.8%)
Sale price¥55,800
Brazilian bicolor tourmaline 4.497ct loose stone
Sale price¥69,800
Brazilian Yellow Beryl 9.747ct Loose Stone
Sale price¥98,000
Brazilian Green Tourmaline 5.0mm/0.401ct Loose Stone (Rose Cut)
Sale price¥9,800
Brazilian rose amethyst 0.793ct loose stone
Sale price¥15,800
Brazilian bicolor tourmaline 2.047ct loose
Sale price¥29,800
Brazilian bicolor tourmaline 1.764ct loose
Sale price¥32,800
Brazilian bicolor tourmaline 1.565ct loose
Sale price¥19,800
Dendritic quartz 7.997ct loose
Sale price¥6,980
Brazilian pink tourmaline 2.765ct loose stone
Sale price¥69,800
Brazilian mint-colored emerald 0.491ct loose stone
Sale price¥15,800
Brazilian pink tourmaline 0.577ct loose stone
Sale price¥18,800
Brazilian bicolor tourmaline 2.341ct loose stone
Sale price¥79,800
Brazilian pink tourmaline 1.515ct loose stone
Sale price¥98,000
Brazilian citrine 5.4mm/0.769ct loose stone
Sale price¥6,980
Brazilian citrine 1.962ct loose stone
Sale price¥9,800
Brazilian citrine 1.659ct loose stone
Sale price¥9,800
Brazilian citrine 1.644ct loose stone
Sale price¥9,800
Brazilian London Blue Topaz 1.281ct Loose
Sale price¥12,800
Brazilian Elestial Amethyst 1.378ct Loose Stone
Sale price¥12,800
Brazilian Dumortierite in Quartz 1.414ct Loose Stone
Sale price¥12,800
Brazilian Medusa Quartz (Paraiba Quartz) 0.614ct Loose Stone
Sale price¥9,800
Brazilian bicolor tourmaline 1.056ct loose
Sale price¥12,800
Bicolor tourmaline 5.825ct loose
Sale price¥128,000
Brazilian emerald 3.3mm/0.119ct loose
Sale price¥22,800
Yellow tourmaline 0.431ct loose stone
Sale price¥3,980
Lepidocrocite in quartz 0.692ct loose
Sale price¥8,800
Brazilian bicolor tourmaline 3.291ct loose
Sale price¥35,800
Brazilian bicolor tourmaline 3.569ct loose
Sale price¥35,800
Andalusite 5mm/0.480ct loose
Sale price¥3,980
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.