Bicolor fluorite 1.259ct loose stone
Sale price¥7,980
Mexican Fire Opal 1.135ct Loose
Sale price¥9,800
Synthetic Alexandrite 0.282ct loose stone
Sale price¥9,800
Synthetic Alexandrite 0.502ct loose stone
Sale price¥15,800
Synthetic Alexandrite 0.330ct loose stone
Sale price¥9,800
Madagascar Blue Apatite 1.110ct Loose Stone
Sale price¥8,800
1.085ct Blue Apatite Loose Stone from Madagascar
Sale price¥8,800
Bicolor sapphire 0.143ct loose
Sale price¥8,800
Brazilian Dendritic Agate 2.409ct Loose Stone
Sale price¥9,800
Brazilian Dendritic Agate 3.016ct Loose Stone
Sale price¥12,800
Indian Moonstone 2.009ct Loose
Sale price¥15,800
Brazilian Euclase 0.615ct Loose Stone
Sale price¥9,800
Brazilian Euclase 0.222ct Loose Stone
Sale price¥18,800
Brazilian Euclase 0.492ct Loose Stone (Bicolor Euclase)
Sale price¥29,800
Brazilian Euclase 0.116ct loose stone (bicolor Euclase)
Sale price¥25,800
Brazilian Euclase 0.251ct Loose Stone (Bicolor Euclase)
Sale price¥29,800
Brazilian Dendritic Agate 0.845ct Loose Stone
Sale price¥8,800
Brazilian Euclase (Bicolor Euclase) 0.302ct Loose Stone
Sale price¥49,800
Australian black opal 4.528ct loose
Sale price¥39,800
Brazilian parti-color tourmaline 1.412ct loose stone
Sale price¥39,800
Mexican Hyalite Opal 5.0mm/0.449ct Loose Stone
Sale price¥9,800
Mexican Hyalite Opal 6.0mm/0.676ct Loose Stone
Sale price¥15,800
Mexican Hyalite Opal 6.1mm/0.810ct Loose
Sale price¥15,800
Hackmanite from Afghanistan 4.0mm/0.181ct loose stone
Sale price¥9,800
Pakistani Oil in Quartz 0.528ct Loose Stone
Sale price¥9,800
Brazilian copper rutilated quartz 1.354ct loose stone
Sale price¥9,800
Brazilian copper rutilated quartz 1.507ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.643ct loose stone
Sale price¥12,800
Brazilian copper rutilated quartz 2.073ct loose stone
Sale price¥9,800
Brazilian copper rutilated quartz 1.376ct loose stone
Sale price¥9,800
Brazilian copper rutilated quartz 2.211ct loose stone
Sale price¥12,800
Brazilian copper rutilated quartz 1.657ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.374ct loose stone
Sale price¥6,980
Brazilian Rock Crystal 0.936ct Loose Stone
Sale price¥6,980
Brazilian Garden Quartz 5.592ct Loose Stone
Sale price¥12,800
Synthetic Moissanite 5.9mm/0.651ct Loose Stone
Sale price¥9,800
Synthetic Moissanite 5.9mm/0.648ct Loose Stone
Sale price¥9,800
Brazilian Sky Blue Topaz (untreated) 3.085ct loose stone
Sale price¥19,800
Brazilian Sky Blue Topaz (untreated) 2.013ct loose stone
Sale price¥12,800
Tanzanian Rhodolite Garnet 0.649ct Loose Stone
Sale price¥8,800
South African Rhodochrosite 0.457ct loose stone
Sale price¥45,800
Brazilian Pink Tourmaline 1.799ct Loose Stone
Sale price¥35,800
German Awinite 0.076ct loose stone
Sale price¥18,800
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.