Green opal 15.950ct loose
Sale price¥29,800
Cantera opal 14.581ct loose
Sale price¥22,800
Opal 21.584ct loose Japanese and German
Sale price¥8,800
Black opal 2.293ct loose
Sale price¥98,000
Mexican Hyalite Opal 1.587ct Loose
Sale price¥9,800
Mexican Cantera Opal 4.456ct Loose
Sale price¥39,800
Mexican cantera opal 12.401ct loose
Sale price¥8,800
Mexican cantera opal 14.740ct loose
Sale price¥14,800
Mexican Cantera Opal 2.661ct Loose
Sale price¥12,800
Mexican Cantera Opal 1.209ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 1.394ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 1.436ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 8.331ct Loose
Sale price¥39,800
Mexican Fire Opal (Faceted Cut) 0.844ct Loose
Sale price¥15,800
Mexican Hyalite Opal 0.942ct Loose
Sale price¥9,800
Mexican Hyalite Opal 6.0mm/0.708ct Loose
Sale price¥25,800
Mexican Fire Opal 1.348ct Loose
Sale price¥15,800
Ethiopian Opal 7.2mm/0.910ct Loose Stone
Sale price¥6,980
Dendritic Opal 3.041ct Loose
Sale price¥18,800
Mexican Hyalite Opal 0.664ct Loose
Sale price¥6,980
Mexican Hyalite Opal 3.917ct Loose
Sale price¥15,800
Mexican Hyalite Opal 1.554ct Loose
Sale price¥7,980
Mexican Hyalite Opal 1.687ct Loose
Sale price¥9,800
Mexican Fire Opal (Faceted Cut) 0.934ct Loose
Sale price¥25,800
Australian black opal 0.544ct loose stone
Sale price¥18,800
Mexican Cantera Opal 14.458ct loose stone (faceted cut)
Sale price¥14,800
Synthetic Opal 2.026ct Loose
Sale price¥19,800
Synthetic Black Opal 5.013ct Loose
Sale price¥59,800
Mexican Fire Opal 1.320ct Loose
Sale price¥13,800
Mexican Hyalite Opal 4.9mm/0.348ct Loose
Sale price¥12,800
Mexican Hyalite Opal 6.9mm/1.134ct Loose
Sale price¥25,800
Mexican Hyalite Opal 6.1mm/0.652ct Loose Stone
Sale price¥25,800
Mexican Hyalite Opal 4.8mm/0.304ct Loose Stone
Sale price¥9,800
Mexican Hyalite Opal 5.0mm/0.378ct Loose Stone
Sale price¥11,000
Mexican Cantera Opal 3.176ct Loose
Sale price¥39,800
Mexican Cantera Opal 2.038ct Loose
Sale price¥29,800
Mexican Cantera Opal 3.167ct loose stone (faceted cut)
Sale price¥12,800
Mexican fire opal (faceted cut) 0.387ct loose stone
Sale price¥14,800
Synthetic black opal 2.996ct loose stone
Sale price¥29,800
Synthetic black opal 1.209ct loose stone
Sale price¥18,800
Ethiopian Opal 6.0mm/0.584ct Loose
Sale price¥12,800
[Sakura Shape] Mexican Opal 8.2mm/1.465ct {Collaboration} Loose Patch
Sale price¥45,800
Mexican Cantera Opal 5.126ct Loose
Sale price¥25,800
Mexican Cantera Opal 4.602ct Loose
Sale price¥29,800
Mexican Cantera Opal 1.842ct Loose
Sale price¥39,800
Mexican Cantera Opal 9.909ct Loose
Sale price¥39,800
Mexican Cantera Opal 5.238ct Loose
Sale price¥15,800
Mexican Cantera Opal 7.275ct Loose
Sale price¥35,800
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.