Myanmar Leuco Garnet 4.0mm/0.371ct Loose Stone
Sale price¥39,800
Mexican Cantera Opal 2.125ct Loose
Sale price¥39,800
Mexican Cantera Opal 5.882ct Loose
Sale price¥39,800
Pakistani Veirinite 0.177ct Loose Stone with Certificate of Authenticity
Sale price¥39,800
Cambodian blue zircon 4.203ct loose
Sale price¥39,800
Bicolor Zoisite 1.785ct loose
Sale price¥49,800
Hemimorphite 18.750ct loose
Sale price¥39,800
Brazilian Paraiba tourmaline 0.229ct loose (CuO:0.8%, MnO:2.2%)
Sale price¥39,800
Mexican fire agate 33.195ct loose
Sale price¥39,800
Synthetic Moissanite 13mm/8.154ct Loose Stone
Sale price¥39,800
Afghanistan Hackmanite 0.761ct loose stone (bicolor)
Sale price¥39,800
Lavender spinel 1.285ct loose
Sale price¥39,800
Pakistani Veirinite 0.190ct Loose Stone with Certificate of Authenticity
Sale price¥45,800
Mexican Cantera Opal 4.456ct Loose
Sale price¥39,800
Tanzanian Zircon 4.138ct Loose Stone
Sale price¥39,800
Zimbabwean Euclase 0.580ct Rough Stone
Sale price¥34,800
American Benitoite 0.100ct Loose Stone (Emerald Cut)
Sale price¥32,800
Mexican Fire Opal 1.808ct Loose (Contralus Opal)
Sale price¥35,800
Madagascar Grandidierite 0.156ct loose stone
Sale price¥35,800
Mexican Cantera Opal 8.331ct Loose
Sale price¥39,800
American Red Beryl 0.217ct Loose
Sale price¥49,800
Pakistani Axinite (Blue Tint) 0.815ct Loose Stone
Sale price¥45,800
[Takeshi Yamamoto] Brazilian Rock Crystal 12.725ct Loose
Sale price¥39,800
Brazilian bicolor tourmaline 1.875ct loose stone
Sale price¥39,800
Zimbabwe bicolor euclase 0.192ct loose stone
Sale price¥39,800
Synthetic Moissanite 13.5mm/8.950ct Loose
Sale price¥39,800
Diamond 0.245ct loose stone (E, VS-1, octagon brilliant cut)
Sale price¥39,800
Madagascar Iolite 3.129ct loose stone
Sale price¥39,800
Brazilian Rhodonite 2.316ct loose stone
Sale price¥39,800
[Star in cut] Mexican fire opal 7mm/0.678ct loose patch
Sale price¥49,800
Brazilian Green Tourmaline 4.613ct Loose Stone
Sale price¥39,800
Namibian Jeremejevite 0.171ct loose stone
Sale price¥39,800
Pakistani Axinite 1.190ct loose stone (green tint)
Sale price¥39,800
Tanzanite from Tanzania 5.8mm/0.803ct loose stone
Sale price¥35,800
Pakistani Axinite (Green Tint) 1.389ct Loose Stone
Sale price¥39,800
Tanzanite 1.458ct loose stone
Sale price¥39,800
Colombian Euclase 1.314ct loose stone
Sale price¥39,800
[Takeshi Yamamoto] Bicolor Smoky Quartz 10.674ct Loose Stone
Sale price¥39,800
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.