Indian Moonstone 8mm/1.879ct Loose
Sale price¥6,980
Tanzanian Orange Zircon 1.305ct Loose Stone with Appraisal Report
Sale price¥13,800
Mexican Fire Opal 0.718ct Loose
Sale price¥9,800
Mexican Fire Opal 0.593ct Loose (Faceted Cut)
Sale price¥9,800
Madagascar sapphire 0.448ct loose stone
Sale price¥15,800
Australian Rainbow Lattice Sunstone 1.746ct Loose Stone
Sale price¥12,800
Brazilian Imperial Topaz 0.746ct Loose
Sale price¥18,800
Mexican fire opal loose stone, 1.857 ct
Sale price¥25,800
Mexican Fire Opal 2.279ct Loose Stone
Sale price¥15,800
Mexican Fire Opal 0.729 ct Loose Stone
Sale price¥8,800
Andalusite from Spain, 0.416 ct Loose Gemstone
Sale price¥9,800
Spanish Sphalerite 9.2mm/3.980ct loose stone
Sale price¥49,800
Spessartite Garnet from Madagascar 1.053ct loose stone
Sale price¥29,800
Mexican Opal 0.499ct Loose
Sale price¥3,980
Bicolor tourmaline 4.448ct loose stone
Sale price¥55,800
Spanish Sphalerite 4.445 ct Loose
Sale price¥79,800
Detroit City Rhodochrosite 4mm/0.434ct Loose Stone
Sale price¥8,800
Mexican Fire Opal (Faceted) 1.046ct Loose Gemstone
Sale price¥29,800
0.056 ct loose Eudialyte from Canada with certificate
Sale price¥15,800
Spanish sphalerite 6.392 ct loose stone
Sale price¥79,800
Unheated Brazilian Imperial Topaz (Sherry Color) 0.314ct Loose
Sale price¥22,800
Brazilian unheated imperial topaz (sherry color) 0.368ct loose gemstone
Sale price¥25,800
Oregon Sunstone 0.575ct loose
Sale price¥9,800
Ethiopian Opal 2.131ct Loose
Sale price¥9,800
Mexican Fire Opal (faceted) 0.645ct Loose Stone
Sale price¥18,800
Oregon Sunstone from the United States 0.941ct loose stone
Sale price¥12,800
Loose Tanzanian spessartine garnet, 0.417ct
Sale price¥12,800
Tanzanian Spessartine Garnet 0.359ct Loose Stone
Sale price¥9,800
Brazilian Morganite 10mm/4.535ct Loose Stone
Sale price¥148,000
Madagascar Pezzottaite 0.229ct loose stone
Sale price¥15,800
Mexican Fire Opal 1.833ct Loose
Sale price¥39,800
Mexican Fire Opal 2.235ct Loose
Sale price¥19,800
Mexican Fire Opal 1.743ct Loose
Sale price¥18,800
Mexican Fire Opal 3.425ct Loose
Sale price¥22,800
Brazilian Imperial Topaz 0.826ct Loose
Sale price¥18,800
Oregon Sunstone 0.217ct loose
Sale price¥4,980
Oregon Sunstone 0.226ct loose
Sale price¥4,980
South African Rhodochrosite Loose Stone 0.749 ct
Sale price¥98,000
Mexican egg-in-opal 0.865ct loose stone
Sale price¥12,800
Mexican egg-in-opal 0.672ct loose stone
Sale price¥11,000
South African rhodochrosite 2.477ct loose Japanese-German edition
Sale price¥398,000
Australian rainbow lattice sunstone 0.449ct loose
Sale price¥4,980
Australian rainbow lattice sunstone 0.354ct loose
Sale price¥4,980
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.