Emerald Cut
Colombian emerald 0.191ct loose
Sale price¥22,800
Colombian emerald 0.231ct loose stone
Sale price¥28,800
Mexican Fire Opal 0.576ct Loose (Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 1.222ct Loose (Faceted Cut)
Sale price¥12,800
Chinese bicolor fluorite 6.274ct loose stone
Sale price¥8,800
Argentine bicolor fluorite 11.226ct loose stone
Sale price¥6,980
Colombian mint color emerald 0.178ct loose stone
Sale price¥6,980
Colombian pyrite emerald 13.691ct loose stone
Sale price¥398,000
Brazilian Euclase 0.224ct Loose Stone (Bicolor Euclase)
Sale price¥18,800
Namibian Jeremejevite 0.307ct loose stone by Nikkei
Sale price¥22,800
Purple zoisite from Tanzania 1.103ct loose Japanese German edition
Sale price¥98,000
Madagascar Yellow Sapphire 0.283ct Loose
Sale price¥6,980
Brazilian Euclase 0.289ct loose stone
Sale price¥12,800
Brazilian Euclase 0.263ct Loose Stone (Colorless Euclase)
Sale price¥9,800
Brazilian Euclase 0.695ct Loose Stone
Sale price¥18,800
Synthetic Alexandrite 0.471ct loose stone
Sale price¥14,800
Brazilian Dendritic Agate 3.575ct Loose Stone
Sale price¥9,800
Brazilian copper rutilated quartz 1.352ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.381ct loose stone
Sale price¥8,800
Bolivian Ametrine 31.854ct loose stone
Sale price¥49,800
[12552306] Iolite 14.158ct loose stone
Sale price¥258,000
American Red Beryl 0.132ct Loose
Sale price¥33,800
Brazilian Indigolite Tourmaline 7.002ct Loose Stone, Japan-Germany Exchange
Sale price¥198,000
Namibian Jeremejevite 0.501ct loose stone (bicolor)
Sale price¥98,000
Spessartite Garnet from Madagascar 1.053ct loose stone
Sale price¥29,800
Colombian mint color emerald 0.294ct loose stone
Sale price¥9,800
Colombian mint color emerald 0.158ct loose stone
Sale price¥5,980
Colombian mint color emerald 0.136ct loose stone
Sale price¥6,980
Colombian mint color emerald 0.155ct loose stone
Sale price¥7,980
Unheated color change sapphire 1.070ct loose stone
Sale price¥158,000
Benitoite 0.272ct loose stone (emerald cut)
Sale price¥248,000
Namibian Jeremejevite 0.261ct loose stone
Sale price¥69,800
Green Spodumene 6.419ct loose stone
Sale price¥29,800
Diamond 0.042ct loose (VS class equivalent, emerald cut)
Sale price¥8,800
Colombian emerald 0.345ct loose stone (silky type)
Sale price¥15,800
Colombian pyrite-mica emerald 0.844ct loose stone
Sale price¥35,800
Afghanite from Afghanistan 0.617ct loose stone
Sale price¥69,800
Madagascar Bicolor Sphene 1.551ct Loose Stone
Sale price¥19,800
American red beryl 0.143ct loose
Sale price¥35,800
Moss Agate 1.056ct loose
Sale price¥9,800
Dumortierite in quartz 0.387ct loose
Sale price¥8,800
Bicolor Tourmaline 0.649ct Loose Stone, Japan-Germany
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.