Ethiopian Opal 15.845ct Rough Stone
Sale price¥15,800
Ethiopian Opal 14.344ct Rough Stone
Sale price¥14,800
Orange Hackmanite from Afghanistan 1.101ct loose stone
Sale price¥19,800
South African Rhodochrosite 0.457ct loose stone
Sale price¥45,800
Mexican Fire Opal 1.135ct Loose
Sale price¥9,800
Spanish Sphalerite 1.372ct loose stone
Sale price¥12,800
Mexican Cantera Opal 19.732ct Loose
Sale price¥24,800
Spanish Sphalerite 6.494ct loose stone
Sale price¥69,800
Spanish bicolor sphalerite 5.289ct loose stone
Sale price¥59,800
Spanish Sphalerite 1.609ct loose stone
Sale price¥19,800
Mexican Fire Opal (Faceted) 6.1mm/0.450ct Loose
Sale price¥12,800
Mexican Fire Opal (Faceted Cut) 0.352ct Loose
Sale price¥9,800
Mexican Fire Opal 0.921ct Loose
Sale price¥14,800
Mexican Fire Opal 1.670ct Loose
Sale price¥29,800
Mexican Fire Opal 1.755ct Loose
Sale price¥29,800
Mexican Fire Opal 1.341ct Loose
Sale price¥39,800
Madagascar sapphire 3.0mm/0.126ct loose stone
Sale price¥8,800
Pakistani Veirinite 0.096ct loose stone
Sale price¥12,800
Spanish Sphalerite 7mm/1.676ct loose stone
Sale price¥35,800
Hokkaido Opal 12.492ct Loose Patch
Sale price¥7,980
Oregon Sunstone from the United States 0.372ct loose stone
Sale price¥12,800
Brazilian Imperial Topaz 0.764ct Loose Stone
Sale price¥19,800
Brazilian Imperial Topaz 0.377ct Loose Stone
Sale price¥14,800
Mexican Fire Opal 6.7mm/0.953ct Loose
Sale price¥25,800
Mexican Fire Opal 7.1mm/0.911ct Loose
Sale price¥25,800
Mexican Fire Opal 4.9mm/0.333ct Loose
Sale price¥8,800
Oregon Sunstone from the United States 0.941ct loose stone
Sale price¥29,800
Spanish Andalusite 0.776ct loose stone
Sale price¥11,800
Spanish Sphalerite 8mm/2.796ct loose stone
Sale price¥69,800
Madagascar Padparadscha Sapphire 0.208ct Loose DGL
Sale price¥34,800
Mexican Fire Opal 0.576ct Loose (Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.212ct Loose (Faceted Cut)
Sale price¥8,800
Mexican Fire Opal 1.222ct Loose (Faceted Cut)
Sale price¥12,800
Spanish Sphalerite 2.726ct loose stone
Sale price¥39,800
Spanish bicolor sphalerite 3.504ct loose stone
Sale price¥38,800
1.953ct Bicolor Sphalerite from Spain
Sale price¥25,800
Mexican Fire Opal 0.213ct Loose (Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.356ct Loose (Faceted Cut)
Sale price¥9,800
Montana Sapphire 0.331ct Loose (Bi-Color Sapphire)
Sale price¥8,800
Manganotantalite 0.736ct loose stone from Japan and Germany
Sale price¥158,000
Detroit City Rhodochrosite 4mm/0.439ct Loose Stone
Sale price¥8,800
Mexican Cantera Opal 4.835ct Loose
Sale price¥19,800
South African Rhodochrosite 0.990ct Loose Stone by Nikkei
Sale price¥128,000
Mexican Cantera Opal 20.655ct Loose
Sale price¥19,800
Pakistani Clinohumite 1.440ct Loose Stone, Japan-Germany Exchange
Sale price¥29,800
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.