Mexican Cantera Opal 5.261ct Loose
Sale price¥49,800
Madagascar sphene 0.790ct loose stone
Sale price¥9,800
Madagascar sphene 0.430ct loose stone
Sale price¥8,800
Brazilian Mica in Quartz (Mica in Quartz) 0.622ct Loose Stone
Sale price¥6,980
Brazilian Dendritic Agate 3.079ct Loose Stone
Sale price¥8,800
Brazilian Tourmaline 0.671ct Loose Stone
Sale price¥9,800
Brazilian Tourmaline 0.615ct Loose Stone
Sale price¥9,800
Brazilian Lepidocrocite in Quartz 8.5mm/2.245ct Loose Stone
Sale price¥8,800
Madagascar Andalusite 0.542ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 6.8mm/1.206ct loose stone
Sale price¥8,800
Oregon Sunstone from the United States 8.8mm/1.603ct loose stone
Sale price¥14,800
Oregon Sunstone from the United States 0.661ct loose stone
Sale price¥6,980
Brown diamond (sugarloaf cut) 0.278ct loose (SI class equivalent)
Sale price¥45,800
Synthetic Moissanite 5.9mm/0.648ct Loose Stone
Sale price¥9,800
Synthetic Moissanite 5.9mm/0.651ct Loose Stone
Sale price¥9,800
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 2.211ct loose stone
Sale price¥12,800
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 1.643ct loose stone
Sale price¥12,800
Brazilian copper rutilated quartz 1.507ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.354ct loose stone
Sale price¥9,800
Brazilian Dendritic Agate 0.845ct Loose Stone
Sale price¥8,800
Brazilian Flower Rutile in Quartz 5.336ct Loose Stone
Sale price¥19,800
Brazilian Dendritic Quartz 4.645ct Loose Stone
Sale price¥9,800
Brazilian Dendritic Quartz 3.990ct Loose Stone
Sale price¥9,800
Brazilian Dendritic Quartz 3.376ct Loose Stone
Sale price¥8,800
Brazilian dendritic quartz 2.381ct loose stone
Sale price¥7,980
Brazilian dendritic quartz 2.174ct loose stone
Sale price¥6,980
Brazilian Dalmatian Quartz 2.041ct Loose Stone
Sale price¥12,800
Mexican Cantera Opal 10.927ct Loose
Sale price¥18,800
Mexican Cantera Opal 19.732ct Loose
Sale price¥24,800
Kenyan Gold Sheen Sapphire 4.0mm/0.321ct Loose Stone (Rose Cut)
Sale price¥14,800
Synthetic Moissanite 10mm/4.147ct Loose Stone
Sale price¥16,800
Tanzania Color Change Chrome Tourmaline 13.194ct Loose Stone Chuhokan
Sale price¥398,000
Australian Green Opal 4.990ct Loose
Sale price¥9,800
Brazilian Green Tourmaline 0.764ct Loose Stone
Sale price¥9,800
Colombian emerald 3.1mm/0.097ct loose
Sale price¥22,800
Mexican Cantera Opal 5.647ct Loose
Sale price¥19,800
Mexican Cantera Opal 2.809ct Loose
Sale price¥25,800
Mexican Cantera Opal 3.280ct Loose
Sale price¥9,800
Mexican Cantera Opal 4.973ct Loose
Sale price¥15,800
Mexican Cantera Opal 7.460ct Loose
Sale price¥29,800
Mexican Cantera Opal 2.982ct Loose
Sale price¥14,800
Mexican Cantera Opal 1.534ct Loose
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.