Goshenite 6.5mm/1.066ct loose stone
Sale price¥12,800
Chrysoberyl cat's eye from Sri Lanka 0.677ct loose
Sale price¥8,800
Oil-in-quartz 22.073ct rough stone from Madagascar
Sale price¥6,980
Brazilian dumortierite in quartz 3.814ct raw stone
Sale price¥3,980
Mexican cantera opal 17.528ct loose
Sale price¥39,800
Mexican cantera opal 11.914ct loose
Sale price¥19,800
Mexican cantera opal 8.100ct loose
Sale price¥19,800
[Moonsteiner] Pyrite in Quartz 8.099ct
Sale price¥59,800
Brazilian Dumortierite in Quartz 2.932ct loose
Sale price¥25,800
Brazilian dumortierite in quartz 1.894ct loose
Sale price¥19,800
Goshenite 6mm/0.866ct loose stone
Sale price¥12,800
Goshenite 6mm/0.896ct loose stone
Sale price¥12,800
Pyrite in quartz 34.864ct loose
Sale price¥29,800
Triphyllite in quartz 13.378ct loose
Sale price¥14,800
Garden quartz 23.495ct loose
Sale price¥5,980
Pyrite in quartz 3.492ct loose
Sale price¥8,800
Pyrite in quartz 15.971ct loose
Sale price¥15,800
Brazilian dumortierite in quartz 1.186ct loose (faceted cut)
Sale price¥12,800
Brazilian dumortierite in quartz 0.986ct loose (faceted cut)
Sale price¥12,800
Brazilian dumortierite in quartz 1.678ct loose (faceted cut)
Sale price¥18,800
Brazilian dumortierite in quartz 2.625ct loose (faceted cut)
Sale price¥26,800
Brazilian dumortierite in quartz 1.971ct loose (faceted cut)
Sale price¥19,800
Brazilian dumortierite in quartz 1.390ct loose (faceted cut)
Sale price¥15,800
Brazilian dumortierite in quartz 1.573ct loose (faceted cut)
Sale price¥18,800
Brazilian dumortierite in quartz 0.993ct loose (faceted cut)
Sale price¥9,800
Pakistani oil-in quartz 0.361ct loose
Sale price¥11,000
Brazilian dumortierite in quartz 1.906ct loose (faceted cut)
Sale price¥25,800
Brazilian dumortierite in quartz 2.227ct loose (faceted cut)
Sale price¥25,800
Brazilian dumortierite in quartz 0.979ct loose (faceted cut)
Sale price¥14,800
Brazilian dumortierite in quartz 1.060ct loose (faceted cut)
Sale price¥15,800
Conch pearl (with flame pattern) 0.439ct loose
Sale price¥39,800
Conch pearl (with flame pattern) 0.387ct loose
Sale price¥39,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 6.004ct loose
Sale price¥15,800
Demantoid garnet 15.468ct rough stone from Madagascar
Sale price¥12,800
Demantoid garnet 20.693ct rough stone from Madagascar
Sale price¥12,800
Demantoid garnet 38.035ct rough stone from Madagascar
Sale price¥12,800
Chrome tourmaline from Tanzania 2.5mm/0.076ct loose
Sale price¥3,980
Chrome tourmaline from Tanzania 2.5mm/0.061ct loose
Sale price¥3,980
Synthetic moissanite 0.372ct loose
Sale price¥9,800
Synthetic moissanite (gray blue) 1.701ct loose
Sale price¥29,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.825ct loose
Sale price¥24,800
Mica in quartz 1.967ct loose
Sale price¥3,980
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.420ct loose
Sale price¥35,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.351ct loose
Sale price¥32,800
Brazilian dumortierite in quartz 9.490ct loose
Sale price¥25,800
Brazilian dumortierite in quartz 4.263ct loose
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.