Brazilian Morganite, 11mm/5.181ct Loose Stone
Sale price¥158,000
Brazilian Morganite 10mm/4.535ct Loose Stone
Sale price¥148,000
Brazilian Morganite 3.929ct loose stone
Sale price¥19,800
[12560872] Bicolor Tanzanite 6.351ct Loose Stone
Sale price¥19,800
Mexican Fire Opal 1.833ct Loose
Sale price¥39,800
Mexican Fire Opal 1.743ct Loose
Sale price¥18,800
Mexican Fire Opal 3.425ct Loose
Sale price¥22,800
Synthetic Moissanite 7.999ct loose stone
Sale price¥29,800
Synthetic Moissanite 8.417ct Loose Stone
Sale price¥39,800
Synthetic Moissanite 8.931ct loose stone
Sale price¥45,800
Synthetic Moissanite 4.924ct loose stone
Sale price¥29,800
Mexican Cantera Opal 15.195ct Loose
Sale price¥12,800
Sunstone (Illusion Sunstone) 1.908ct loose
Sale price¥8,800
Iridescent Tourmaline 3.107ct Loose Stone
Sale price¥37,800
Brazilian Limonite in Topaz 6.579ct loose stone (with rainbow)
Sale price¥18,800
Brazilian Medusa Quartz (Paraiba Quartz) 1.529ct Loose Stone
Sale price¥6,980
Brazilian dendritic quartz 3.608ct loose stone
Sale price¥8,800
Australian Black Opal 1.705ct Loose
Sale price¥12,800
Australian black opal 1.311 ct loose stone
Sale price¥18,800
Australian Black Opal 0.940ct Loose
Sale price¥18,800
Australian Black Opal 1.539ct Loose
Sale price¥15,800
Brazilian Medusa Quartz (Paraiba Quartz) 2.484ct loose stone
Sale price¥29,800
Bicolor Tourmaline 0.649ct Loose Stone, Japan-Germany
Sale price¥12,800
Oregon Sunstone 8.256ct rough stone
Sale price¥9,800
Brazilian dumortierite in quartz, 0.813 ct, loose
Sale price¥9,800
Brazilian Dendritic Quartz 6.059ct Loose Stone (Rainbow)
Sale price¥15,800
Brazilian Dendritic Quartz 8.598ct Loose Stone
Sale price¥19,800
Brazilian Dendritic Quartz 4.182ct Loose Stone
Sale price¥12,800
Rutilated Quartz (Rutile Quartz) 7.440ct Loose (Sun Rutilated Quartz)
Sale price¥18,800
Rutilated Quartz (Rutilated Quartz) 9.721ct Loose (Sun Rutilated Quartz)
Sale price¥25,800
Aquamarine in quartz 18.954ct rough stone
Sale price¥18,800
Australian Rainbow Lattice Sunstone 3.504ct Loose Stone
Sale price¥29,800
3.327ct Loose Rainbow Lattice Sunstone from Australia
Sale price¥25,800
1.053 ct Loose Australian Rainbow Lattice Sunstone
Sale price¥8,800
Australian Rainbow Lattice Sunstone 2.188ct Loose
Sale price¥22,800
Congo hemimorphite 4.009ct loose stone
Sale price¥22,800
Congo hemimorphite 3.510ct loose stone
Sale price¥18,800
Congo hemimorphite 4.272ct loose stone
Sale price¥25,800
Congo hemimorphite 4.210ct loose stone
Sale price¥25,800
Brazilian Limonite in Blue Topaz 9.314ct Loose Stone
Sale price¥25,800
Brazilian Limonite in Topaz 5.029ct Loose Stone (Rainbow)
Sale price¥15,800
Mexican egg-in opal 3.646ct loose stone
Sale price¥25,800
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.