Nepalese Bicolor Kyanite 6.3mm/0.903ct Loose Stone
Sale price¥9,800
Green tourmaline 0.621ct loose stone
Sale price¥9,800
Zimbabwean Blue Apatite (UV Type) 0.539ct Loose
Sale price¥8,800
Zimbabwean Blue Apatite (UV type) 0.703ct loose stone
Sale price¥9,800
Brazilian Imperial Topaz 0.826ct Loose
Sale price¥18,800
Moss Agate 0.771ct loose
Sale price¥6,980
Strawberry quartz from Kazakhstan 0.915ct loose
Sale price¥6,980
Bicolor Euclase from Zimbabwe 0.596ct Rough
Sale price¥29,800
Bicolor Euclase from Zimbabwe 0.539ct Rough
Sale price¥25,800
South African Rhodochrosite Loose Stone 0.749 ct
Sale price¥98,000
Nigerian Star Enstatite 0.880ct Loose Stone
Sale price¥12,800
Green Zoisite 0.703ct Loose Stone
Sale price¥22,800
Mica in Quartz 0.864ct Loose Stone
Sale price¥5,980
Mica in Quartz 0.760ct Loose
Sale price¥5,980
Mica in Quartz 0.588ct Loose Stone
Sale price¥5,980
Mexican egg-in-opal 0.865ct loose stone
Sale price¥12,800
Mexican egg-in-opal 0.672ct loose stone
Sale price¥11,000
Tanzanian Kornerupine Cat's Eye 0.986ct Loose Stone
Sale price¥5,980
Sky blue topaz 0.563ct loose stone
Sale price¥5,980
Brazilian imperial topaz 0.830ct loose
Sale price¥18,800
Bicolor tourmaline 0.552ct loose
Sale price¥12,800
Bicolor tourmaline 0.548ct loose
Sale price¥6,980
Lepidocrocite in Quartz 0.768ct Loose
Sale price¥7,980
Moss agate 0.720ct loose stone
Sale price¥6,980
Green tourmaline 0.637ct loose
Sale price¥8,800
Australian Black Opal 0.529ct Loose
Sale price¥15,800
Australian Black Opal 0.552ct Loose
Sale price¥8,800
Australian black opal 0.667ct loose stone
Sale price¥12,800
Australian black opal, 0.666ct loose
Sale price¥12,800
Australian Black Opal 0.548ct Loose
Sale price¥18,800
Australian Black Opal 0.744ct Loose Gemstone
Sale price¥18,800
Australian black opal loose stone, 0.618ct
Sale price¥15,800
Australian Black Opal 0.605ct Loose Stone
Sale price¥22,800
Australian Black Opal 0.754ct Loose
Sale price¥22,800
Australian Black Opal 0.940ct Loose
Sale price¥18,800
Australian Black Opal 0.754ct Loose
Sale price¥22,800
Australian Black Opal 0.768ct Loose
Sale price¥25,800
Australian black opal 0.758ct loose stone
Sale price¥35,800
Bicolor Tourmaline 0.649ct Loose Stone, Japan-Germany
Sale price¥12,800
Indian Black Moonstone 0.609ct Loose
Sale price¥7,980
Brazilian Dumortierite in Quartz 0.699ct Loose Stone
Sale price¥6,980
Brazilian Dumortierite in Quartz 0.910ct Loose Stone
Sale price¥9,800
Brazilian Dumortierite in Quartz 0.642ct Loose Stone
Sale price¥8,800
Brazilian dumortierite in quartz, 0.813 ct, loose
Sale price¥9,800
Brazilian dumortierite in quartz, 0.796 ct, loose
Sale price¥7,980
Brazilian Dumortierite in Quartz 0.543ct Loose Stone
Sale price¥5,980
Oregon Sunstone from the United States, 6.1mm/0.820ct loose stone
Sale price¥16,800
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.