Bicolor tourmaline 5.825ct loose
Sale price¥128,000
Sri Lankan star sapphire 1.061ct loose
Sale price¥3,980
Brazilian emerald 3.3mm/0.119ct loose
Sale price¥22,800
Bicolor tourmaline 0.707ct loose
Sale price¥12,800
Hackmanite 0.520ct loose stone
Sale price¥18,800
Parasite Peridot (Paracytic Peridot) 0.541ct Loose Japanese-German Edition
Sale price¥256,000
Rhodochrosite 1.884ct loose from Detroit City, USA
Sale price¥188,000
Lepidocrocite in quartz 1.555ct loose
Sale price¥12,800
Kunzite 8.4mm/2.908ct loose stone
Sale price¥19,800
Lepidocrocite in Quartz 1.227ct Loose Stone
Sale price¥9,800
Brazilian bicolor tourmaline 3.291ct loose
Sale price¥35,800
Lepidocrocite in quartz 0.692ct loose
Sale price¥8,800
Brazilian bicolor tourmaline 3.569ct loose
Sale price¥35,800
Bicolor Benitoite 0.194ct loose (square cut)
Sale price¥128,000
Zoisite 1.219ct loose stone
Sale price¥15,800
Bicolor Euclase from Zimbabwe 0.084ct loose
Sale price¥98,000
Bicolor tourmaline 0.549ct loose (rose cut)
Sale price¥8,800
Colombian pyrite in emerald 7.836ct loose
Sale price¥398,000
Bicolor tourmaline 0.669ct loose (rose cut)
Sale price¥8,800
Rhodochrosite 0.516ct loose from Detroit City, USA
Sale price¥45,800
Rhodochrosite 0.527ct loose from Detroit City, USA
Sale price¥45,800
Andalusite 5mm/0.480ct loose
Sale price¥3,980
Mexican Opal (Faceted) 0.242ct Loose
Sale price¥8,800
Brazilian bicolor tourmaline 1.965ct loose stone
Sale price¥18,800
Brazilian citrine 5.4mm/0.769ct loose stone
Sale price¥6,980
Brazilian Paraiba Tourmaline in Quartz 0.780ct Loose Stone
Sale price¥15,800
Brazilian citrine 1.659ct loose stone
Sale price¥9,800
Madagascar Bicolor Sapphire 0.633ct Loose
Sale price¥39,800
Brazilian citrine 1.644ct loose stone
Sale price¥9,800
Sri Lankan purple spinel 1.060ct loose stone
Sale price¥98,000
Brazilian Kasharai Amethyst 5.6mm/0.460ct Loose Stone
Sale price¥8,800
Moldavite from the former Czechoslovakia, 0.090ct loose stone
Sale price¥9,800
Mexican Fire Opal 5.8mm/0.345ct Loose Stone
Sale price¥12,800
Kunzite from Afghanistan 4.331ct loose stone
Sale price¥8,800
Tibetan Andesine 0.768ct Loose Stone
Sale price¥12,800
Tanzanian mint diopside 0.364ct loose stone
Sale price¥9,800
Russian Demantoid Garnet (Horsetail) 0.256ct Loose Stone
Sale price¥79,800
German Awinite 0.063ct loose stone
Sale price¥29,800
German Apatite 0.073ct loose stone
Sale price¥32,800
Grandidierite from Madagascar 0.168ct loose stone
Sale price¥35,800
Brazilian pink tourmaline 1.515ct loose stone
Sale price¥98,000
Tanzanian bicolor sapphire 0.486ct loose stone
Sale price¥12,800
Tanzanian Wurtzite 0.567ct Loose Stone, Japan-Germany Exchange
Sale price¥198,000
Tibetan Andesine 0.738ct Loose Stone
Sale price¥15,800
Madagascar Bicolor Sapphire 0.318ct Loose
Sale price¥25,800
Tanzanian Kornerupine 0.324ct Loose Stone
Sale price¥29,800
Brazilian London Blue Topaz 1.281ct Loose
Sale price¥12,800
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.