Zoisite 0.162ct loose stone (heart shape)
Sale price¥8,800
Zoisite 0.247ct loose stone (heart shape)
Sale price¥8,800
Bicolor tourmaline 1.329ct loose
Sale price¥9,800
Bicolor tourmaline 0.429ct loose
Sale price¥6,980
Bicolor Tourmaline 0.378ct Loose Stone (Hexagonal Cut)
Sale price¥8,800
Pink tourmaline 0.819ct loose
Sale price¥15,800
Pink tourmaline 0.539ct loose stone (heart shape)
Sale price¥12,800
Bicolor Tourmaline 0.792ct Loose (Heart Shape)
Sale price¥9,800
Ethiopian Opal 0.466ct Loose (Heart Shape, Faceted Cut)
Sale price¥3,980
Ethiopian Opal 0.294ct Loose (Heart Shape, Faceted Cut)
Sale price¥6,980
Oregon Sunstone 0.462ct loose
Sale price¥6,980
Dioptase from Namibia 0.150ct loose Japanese-German book
Sale price¥59,800
Blue Tourmaline 1.460ct Loose Stone Japan-Germany Exchange
Sale price¥29,800
Blue Garnite from Nigeria 0.514ct Ruth Japanese-German Edition
Sale price¥59,800
Bicolor Tourmaline 0.649ct Loose Stone, Japan-Germany
Sale price¥9,800
Scapolite 0.587ct loose stone from Japan and Germany
Sale price¥8,800
Mexican bicolor Danburite 1.932ct loose stone by Nikkei
Sale price¥34,800
Australian rainbow lattice sunstone 0.378ct loose
Sale price¥5,980
Australian rainbow lattice sunstone 0.498ct loose
Sale price¥3,980
Australian rainbow lattice sunstone 0.449ct loose
Sale price¥5,980
Australian rainbow lattice sunstone 0.354ct loose
Sale price¥5,980
Australian rainbow lattice sunstone 0.353ct loose
Sale price¥5,980
[Sakura Incut] Danburite 8.3mm/1.585ct loose with patch
Sale price¥29,800
Brazilian Medusa Quartz (Paraiba Quartz) 1.317ct loose
Sale price¥24,800
Brazilian Paraiba tourmaline in quartz 1.602ct loose
Sale price¥49,800
Brazilian lepidocrocite in quartz 0.992ct loose
Sale price¥4,980
Australian rainbow lattice sunstone 0.587ct loose
Sale price¥6,980
Australian rainbow lattice sunstone 1.082ct loose
Sale price¥6,980
Russian demantoid garnet (horsetail recognized) 0.119ct loose
Sale price¥29,800
Russian demantoid garnet (horsetail recognized) 0.141ct loose
Sale price¥39,800
Australian rainbow lattice sunstone 0.378ct loose
Sale price¥5,980
Yellow sapphire 0.445ct loose
Sale price¥8,800
Yellow sapphire 0.294ct loose
Sale price¥8,800
Yellow sapphire 0.315ct loose
Sale price¥6,980
Yellow sapphire 0.464ct loose
Sale price¥12,800
Brazilian Santa Maria Aquamarine 0.181ct loose
Sale price¥6,980
Santa Maria Aquamarine from Brazil 0.189ct loose
Sale price¥5,980
Sunstone (Illusion Sunstone) 1.908ct loose
Sale price¥8,800
Montana Sapphire 0.254ct loose
Sale price¥9,800
American red beryl 0.138ct loose
Sale price¥34,800
American red beryl 0.207ct loose
Sale price¥49,800
American Red Beryl 0.120ct Loose
Sale price¥29,800
American red beryl 0.116ct loose
Sale price¥29,800
American red beryl 0.184ct loose
Sale price¥46,800
Spanish bicolor sphalerite 1.652ct loose
Sale price¥25,800
American Herkimer Diamond (Rock Crystal) 5.5mm/0.534ct Loose
Sale price¥8,800
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.