Synthetic Moissanite 5.9mm/0.651ct Loose Stone
Sale price¥9,800
Brazilian Rock Crystal 0.936ct Loose Stone
Sale price¥6,980
Brazilian copper rutilated quartz 1.374ct loose stone
Sale price¥6,980
Brazilian copper rutilated quartz 1.657ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.376ct loose stone
Sale price¥9,800
Brazilian copper rutilated quartz 2.073ct loose stone
Sale price¥9,800
Brazilian copper rutilated quartz 1.507ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.354ct loose stone
Sale price¥9,800
Pakistani Oil in Quartz 0.528ct Loose Stone
Sale price¥9,800
Hackmanite from Afghanistan 4.0mm/0.181ct loose stone
Sale price¥9,800
Mexican Hyalite Opal 5.0mm/0.449ct Loose Stone
Sale price¥9,800
Burmese Red Spinel 0.177ct Loose
Sale price¥9,800
Burmese Red Spinel 0.201ct Loose
Sale price¥9,800
Australian black opal 0.693ct loose stone
Sale price¥8,800
Brazilian Dendritic Agate 0.845ct Loose Stone
Sale price¥8,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 0.631ct Loose Stone
Sale price¥8,800
Brazilian Euclase 0.615ct Loose Stone
Sale price¥9,800
Indian Moonstone 0.881ct Loose
Sale price¥8,800
Brazilian Dendritic Agate 2.409ct Loose Stone
Sale price¥9,800
Bicolor sapphire 0.143ct loose
Sale price¥8,800
1.085ct Blue Apatite Loose Stone from Madagascar
Sale price¥8,800
Madagascar Blue Apatite 1.110ct Loose Stone
Sale price¥8,800
Synthetic Alexandrite 0.330ct loose stone
Sale price¥9,800
Synthetic Alexandrite 0.282ct loose stone
Sale price¥9,800
Mexican Fire Opal 1.135ct Loose
Sale price¥9,800
Bicolor fluorite 1.259ct loose stone
Sale price¥7,980
Bicolor Fluorite 1.188ct Loose
Sale price¥7,980
Bicolor fluorite 1.281ct loose stone
Sale price¥7,980
Bicolor fluorite 1.076ct loose stone
Sale price¥7,980
Mozambique Almandine Garnet 1.071ct Loose Stone
Sale price¥9,800
Russian Diopside 0.402ct Loose Stone
Sale price¥8,800
Burmese Red Spinel 3.6mm/0.216ct Loose Stone
Sale price¥8,800
Chrysoprase 3.108ct loose stone
Sale price¥8,800
Chrysoprase 2.959ct loose stone
Sale price¥8,800
Chrysoprase 3.003ct loose stone
Sale price¥9,800
Pakistani Oil in Quartz 0.442ct Loose Stone
Sale price¥9,800
Congo Dioptase 29.012ct rough stone
Sale price¥5,980
Congo Dioptase 24.371ct rough stone
Sale price¥9,800
Congo Dioptase 24.892ct rough stone
Sale price¥9,800
Brazilian bicolor tourmaline 0.644ct loose stone
Sale price¥9,800
Silky sapphire from Sri Lanka 0.975ct loose
Sale price¥8,800
Blue sapphire 3.9mm/0.279ct loose stone
Sale price¥9,800
Blue sapphire 3.9mm/0.260ct loose stone
Sale price¥8,800
Rutile Inphenakite from Madagascar 0.825ct loose stone
Sale price¥7,980
Rutile Inphenakite from Madagascar 0.967ct loose stone
Sale price¥8,800
Brazilian Dendritic Quartz 4.645ct Loose Stone
Sale price¥9,800
Brazilian Dendritic Quartz 3.990ct Loose Stone
Sale price¥9,800
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.