1.953ct Bicolor Sphalerite from Spain
Sale price¥25,800
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
Madagascar sapphire 0.377ct loose stone
Sale price¥12,800
Mexican Cantera Opal 7.720ct Loose
Sale price¥22,800
Mexican Cantera Opal 4.158ct Loose
Sale price¥15,800
Oregon Sunstone 0.713ct loose
Sale price¥6,980
Mexican Cantera Opal 13.531ct Loose
Sale price¥69,800
Mexican Cantera Opal 10.986ct Loose
Sale price¥29,800
Mexican Cantera Opal 6.710ct Loose
Sale price¥22,800
Mexican Cantera Opal 6.205ct Loose
Sale price¥9,800
Mexican Cantera Opal 5.887ct Loose
Sale price¥12,800
Mexican Fire Opal 0.718ct Loose
Sale price¥9,800
Mexican Fire Opal 0.593ct Loose (Faceted Cut)
Sale price¥9,800
Indian Moonstone 8mm/1.879ct Loose
Sale price¥6,980
Madagascar sapphire 0.448ct loose stone
Sale price¥19,800
Australian Rainbow Lattice Sunstone 1.746ct Loose Stone
Sale price¥15,800
Mexican Opal 0.677ct Loose
Sale price¥6,980
Golden Iolite (Cordierite) 0.321ct loose stone
Sale price¥12,800
Brazilian Imperial Topaz 0.746ct Loose
Sale price¥18,800
Mexican egg-in-opal 1.243ct loose stone
Sale price¥14,800
Montana Sapphire 0.254ct loose
Sale price¥9,800
Pink spinel 3.8mm/0.192ct loose
Sale price¥5,980
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.