Hemimorphite from Congo, 6.928 ct loose
Sale price¥29,800
Brazilian Limonite in Blue Topaz 9.314ct Loose Stone
Sale price¥25,800
Brazilian Limonite in Topaz 5.029ct Loose Stone (Rainbow)
Sale price¥15,800
Brazilian Blue Tourmaline in Quartz 9.251ct Loose Stone
Sale price¥39,800
Brazilian Black Garden Quartz 5.722ct Loose Stone
Sale price¥15,800
Green tourmaline 6.069ct loose (marron cut) Japanese-German book
Sale price¥69,800
Sri Lankan Ratotta Topaz 9.926ct Loose (White Topaz)
Sale price¥15,800
Sri Lankan Ratotta Topaz 9.589ct Loose (White Topaz)
Sale price¥12,800
Pink Tourmaline from Brazil 6.782ct Loose
Sale price¥69,800
Afghan Bicolor Beryl 9.490ct Loose Gemstone (with Rainbow Inclusions)
Sale price¥25,800
Colombian emerald 8.90ct rough stone
Sale price¥69,800
Colombian pyrite emerald 8.044ct loose stone
Sale price¥188,000
Labradorite (Spectrolite) from Finland 5.261ct loose
Sale price¥5,980
[Moonsteiner] Pyrite in Quartz 8.099ct
Sale price¥59,800
Rubellite 7.068ct loose Japanese-German book
Sale price¥498,000
9.214ct Loose Kunzite from Afghanistan
Sale price¥45,800
Sri Lankan Twin Star Sapphire 5.225ct Loose
Sale price¥98,000
Brazilian Pyrite in Quartz 6.992ct Loose Stone
Sale price¥18,800
Brazilian Medusa Quartz (Paraiba Quartz) 5.809ct loose
Sale price¥6,980
Spanish bicolor sphalerite 6.230ct loose
Sale price¥69,800
Mexican cantera opal 9.422ct loose
Sale price¥25,800
Mexican cantera opal 7.563ct loose
Sale price¥15,800
Australian boulder opal 6.980ct loose
Sale price¥6,980
Sri Lankan star sapphire 5.066ct loose
Sale price¥69,800
Mexican Cantera Opal 8.432ct Loose
Sale price¥39,800
Mexican Cantera Opal 9.166ct Loose
Sale price¥69,800
Brazilian bicolor tourmaline 7.268ct loose stone
Sale price¥158,000
Zambian bicolor tourmaline 6.536ct loose stone
Sale price¥128,000
Brazilian Dumortierite in Quartz 10.0mm/5.357ct Loose Stone
Sale price¥39,800
Colombian emerald rough stone 7.924ct
Sale price¥9,800
Colombian emerald rough stone 5.895ct
Sale price¥9,800
Brazilian Yellow Beryl 9.747ct Loose Stone
Sale price¥98,000
Tanzanian Almandine Garnet 11.0mm/6.787ct Loose Stone
Sale price¥49,800
Tanzanian Almandine Garnet 10mm/6.196ct Loose Stone
Sale price¥29,800
Dendritic quartz 7.997ct loose
Sale price¥6,980
Bicolor tourmaline 5.825ct loose
Sale price¥128,000
Colombian pyrite in emerald 7.836ct loose
Sale price¥398,000
Brazilian Aquamarine 8.858ct Loose Stone
Sale price¥198,000
[Posted 12543726] Hemimorphite 9.282ct loose
Sale price¥59,800
[Posted 12543724] Hemimorphite 9.286ct loose
Sale price¥59,800
Celestite from Madagascar 7.080ct loose Japanese and German
Sale price¥98,000
[Cat Cut] Brazilian Dendritic Quartz 6.775ct Loose
Sale price¥15,800
Rouge Cut Almandine Garnet from Mozambique, 5.952ct Loose
Sale price¥15,800
Rouge Cut Almandine Garnet from Mozambique, 5.841ct Loose
Sale price¥14,800
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.