Brazilian Dumortierite in Quartz 2.932ct loose
Sale price¥25,800
Pyrite in quartz 3.492ct loose
Sale price¥8,800
[Mr. Sanjay] Mexican water opal 3.161ct loose (Contrarus opal)
Sale price¥69,800
Brazilian dumortierite in quartz 2.625ct loose (faceted cut)
Sale price¥26,800
Brazilian dumortierite in quartz 2.227ct loose (faceted cut)
Sale price¥25,800
Rhodochrosite 4.000ct loose from Detroit City
Sale price¥498,000
Mexican Water Opal 2.623ct Loose (Contralus Opal)
Sale price¥55,800
Oregon Sunstone 2.528ct loose
Sale price¥29,800
Dendritic Agate 2.964ct loose
Sale price¥15,800
Brazilian kyanite in quartz 4.770ct loose
Sale price¥16,800
Brazilian dumortierite in quartz 3.901ct loose
Sale price¥19,800
Aquamarine cat's eye 3.528ct loose
Sale price¥5,980
Mexican fire agate 3.800ct loose
Sale price¥5,980
Brazilian Medusa Quartz (Paraiba Quartz) 3.441ct loose
Sale price¥5,980
Brazilian Medusa Quartz (Paraiba Quartz) 2.757ct loose
Sale price¥5,980
Brazilian dumortierite in quartz 4.263ct loose
Sale price¥12,800
Brazilian dumortierite in quartz 4.180ct loose
Sale price¥12,800
Mexican Hyalite Opal 2.592ct loose
Sale price¥9,800
[Rouge cut] Almandine garnet 4.632ct loose
Sale price¥15,800
[Rouge cut] Almandine garnet 3.214ct loose
Sale price¥15,800
[Rouge cut] Almandine garnet 2.661ct loose
Sale price¥12,800
Almandine garnet 2.964ct loose
Sale price¥15,800
Tanzanian orange zircon 3.804ct loose
Sale price¥39,800
Bicolor grossular garnet from Tanzania 2.454ct loose
Sale price¥12,800
Brazilian dumortierite in quartz 4.592ct loose
Sale price¥15,800
Sri Lankan Goethite Into Topaz 3.200ct loose
Sale price¥7,980
Sri Lankan enstatite 2.159ct loose
Sale price¥15,800
Brazilian Paraiba tourmaline in quartz 2.954ct loose
Sale price¥45,800
Australian boulder opal 4.470ct loose
Sale price¥29,800
Brazilian Medusa Quartz (Paraiba Quartz) 3.919ct loose
Sale price¥8,800
Petalite 2.858ct loose
Sale price¥9,800
Chrysoberyl cat's eye 2.283ct loose
Sale price¥22,800
Colombian Euclase 3.417ct rough stone
Sale price¥12,800
Blue zircon 2.483ct loose
Sale price¥9,800
[Rouge cut] Almandine garnet 2.090ct loose
Sale price¥12,800
[Rouge cut] Almandine garnet 2.076ct loose
Sale price¥12,800
[Sakura Incut] Goshenite 9mm/2.142ct loose with patch
Sale price¥39,800
Brazilian Rhodonite 2.126ct Ruth Japanese-German Edition
Sale price¥88,800
Paraiba Tourmaline from Mozambique 2.037ct loose stone with gem analysis
Sale price¥598,000
Australian boulder opal 3.695ct loose
Sale price¥15,800
Australian boulder opal 2.470ct loose
Sale price¥8,800
Australian boulder opal 4.729ct loose
Sale price¥19,800
Colombian pyrite in emerald 4.592ct loose
Sale price¥128,000
Cambodian blue zircon (Ratanakiri blue) 2.143ct loose
Sale price¥29,800
Cambodian blue zircon (Ratanakiri blue) 2.567ct loose
Sale price¥35,800
Felspar 2.993ct loose from Sri Lanka
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.