Cambodian blue zircon (Ratanakiri blue) 0.615ct loose
Sale price¥8,800
Cambodian blue zircon (Ratanakiri blue) 0.453ct loose
Sale price¥7,980
Purple spinel 0.520ct loose
Sale price¥8,800
Violet spinel 0.642ct loose
Sale price¥8,800
Violet spinel 0.472ct loose
Sale price¥9,800
Pakistani Oil in Quartz 0.651ct Loose Stone
Sale price¥9,800
Pakistani Oil in Quartz 0.443ct Loose Stone
Sale price¥6,980
Brazilian Santa Maria Aquamarine 0.158ct loose
Sale price¥6,980
Andalusite 0.487ct loose
Sale price¥7,980
Oregon Sunstone 0.846ct loose
Sale price¥9,800
Oregon Sunstone 0.852ct loose
Sale price¥8,800
Mexican Opal 0.502ct Loose (Faceted Cut)
Sale price¥12,800
Mexican Opal 0.790ct Loose (Contrarus Opal, Faceted Cut)
Sale price¥18,800
Lepidocrocite in quartz 0.797ct loose
Sale price¥6,980
Rubellite 0.549ct loose
Sale price¥19,800
Yellow tourmaline 0.277ct loose
Sale price¥8,800
Pink tourmaline 0.669ct loose
Sale price¥9,800
Green tourmaline 0.559ct loose
Sale price¥6,980
Pink tourmaline 0.632ct loose
Sale price¥9,800
Pink tourmaline 0.341ct loose
Sale price¥8,800
Green tourmaline 0.388ct loose
Sale price¥8,800
Aventurine aquamarine 0.840ct loose
Sale price¥8,800
Oregon Sunstone 0.513ct loose
Sale price¥6,980
Mexican Hyalite Opal 0.774ct Loose (Faceted Cut)
Sale price¥8,800
Johachidolite from Myanmar 0.332ct loose
Sale price¥39,800
Bicolor star sapphire from Myanmar 0.920ct loose
Sale price¥39,800
Gray diamond 0.618ct loose
Sale price¥128,000
Cornell pin from Tanzania 3.5mm/0.173ct loose
Sale price¥14,800
Tanzanian Kornerupine 3.4mm/0.185ct Loose Stone
Sale price¥12,800
Madagascar Pezzottaite 3.7mm/0.184ct loose stone
Sale price¥6,980
Madagascar Pezzottaite 3.5mm/0.153ct loose stone
Sale price¥5,980
Madagascar Pezzottaite 4mm/0.242ct loose stone
Sale price¥8,800
Brazilian dumortierite in quartz 6mm/0.852ct loose
Sale price¥12,800
Mexican Opal 1.205ct Loose (Contrarus Opal, Faceted Cut)
Sale price¥29,800
Paraiba tourmaline from Brazil 0.039ct loose (CuO:1.5%, MnO:2.0%)
Sale price¥24,800
Paraiba tourmaline from Brazil 0.032ct loose (CuO:2.2%, MnO:1.8%)
Sale price¥25,800
Paraiba tourmaline from Brazil 0.062ct loose (CuO:1.4%, MnO:1.5%)
Sale price¥39,800
Color change sapphire 0.526ct loose
Sale price¥6,980
Color change sapphire 0.453ct loose
Sale price¥5,980
Strawberry quartz from Kazakhstan 0.803ct loose
Sale price¥6,980
Strawberry quartz from Kazakhstan 0.977ct loose
Sale price¥7,980
Strawberry quartz from Kazakhstan 0.773ct loose
Sale price¥6,980
Strawberry quartz from Kazakhstan 0.915ct loose
Sale price¥6,980
Tanzanian Kornerupine 0.264ct loose stone
Sale price¥29,800
Tanzanian Kornerupine 0.272ct loose stone
Sale price¥22,800
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.