Oregon Sunstone 0.226ct loose
Sale price¥4,980
Bicolor Euclase from Zimbabwe 0.596ct Rough
Sale price¥29,800
Uncut Zimbabwe Euclase 0.443ct
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
Brazilian Imperial Topaz 0.357ct Loose Stone
Sale price¥12,800
Brazilian Imperial Topaz 0.349ct Loose Stone
Sale price¥12,800
Mexican egg-in-opal 0.672ct loose stone
Sale price¥11,000
Aquamarine 0.398ct loose stone
Sale price¥7,980
Brazilian Medusa Quartz (Paraiba Quartz) 0.400ct Loose
Sale price¥6,980
Sky blue topaz 0.563ct loose stone
Sale price¥5,980
Tanzanite 0.349ct loose
Sale price¥8,800
Bicolor Zoisite 0.402ct loose stone
Sale price¥8,800
Bicolor Zoisite 0.302ct loose stone
Sale price¥8,800
Bicolor Zoisite 0.392ct loose stone
Sale price¥7,980
Bicolor tourmaline 0.423ct loose
Sale price¥12,800
Bicolor tourmaline 0.552ct loose
Sale price¥12,800
Lepidocrocite in Quartz 0.241ct Loose Stone
Sale price¥6,980
Green tourmaline 0.637ct loose
Sale price¥8,800
Australian black opal 0.439ct loose
Sale price¥11,800
Australian Black Opal 0.329ct Loose
Sale price¥14,800
Australian Black Opal 0.377 ct Loose
Sale price¥15,800
Australian Black Opal 0.448ct Loose Stone
Sale price¥15,800
Australian Black Opal 0.529ct Loose
Sale price¥15,800
Australian black opal 0.667ct loose stone
Sale price¥12,800
Australian Black Opal 0.385ct Loose Stone
Sale price¥18,800
Australian black opal, 0.666ct loose
Sale price¥12,800
Australian black opal, 0.336ct loose stone
Sale price¥19,800
Australian Black Opal 0.548ct Loose
Sale price¥18,800
Australian black opal loose stone, 0.618ct
Sale price¥15,800
Australian Black Opal 0.387ct Loose
Sale price¥18,800
Australian Black Opal 0.754ct Loose
Sale price¥22,800
Australian rainbow lattice sunstone 0.449ct loose
Sale price¥4,980
Australian rainbow lattice sunstone 0.354ct loose
Sale price¥4,980
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
Synthetic Alexandrite 4.3mm/0.430ct Loose Stone
Sale price¥12,800
Unheated Pigeon Blood Ruby 0.380ct Loose Stone AIGS
Sale price¥79,800
Brazilian Dumortierite in Quartz 0.849ct Loose Gemstone
Sale price¥9,800
Brazilian Dumortierite in Quartz 0.867ct Loose Stone
Sale price¥9,800
Brazilian Dumortierite in Quartz 0.880ct Loose Stone (Faceted Cut)
Sale price¥9,800
0.787 ct faceted Dumortierite in Quartz from Brazil
Sale price¥7,980
Brazilian Dumortierite in Quartz 0.690ct Loose Stone (Faceted Cut)
Sale price¥6,980
Brazilian Dumortierite in Quartz 1.112ct Loose Gemstone (Faceted Cut)
Sale price¥11,000
Brazilian Dumortierite in Quartz 0.937ct Loose (Faceted)
Sale price¥9,800
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.