Colombian Trapiche Emerald 0.422ct Loose
Sale price¥22,800
Colombian emerald 0.153ct rough stone
Sale price¥7,980
Colombian emerald 0.202ct rough stone
Sale price¥9,800
Colombian emerald 0.499ct rough stone
Sale price¥15,800
Colombian emerald 0.443ct rough stone
Sale price¥9,800
Oregon Sunstone 0.272ct Loose
Sale price¥8,800
Tanzanian Kornerupine 0.298ct loose stone
Sale price¥35,800
Brazilian Paraiba Tourmaline 0.216ct loose stone (CuO:1.2%, MnO:2.7%)
Sale price¥69,800
Zimbabwean Euclase 0.058ct loose stone
Sale price¥39,800
Zimbabwean Euclase 0.088ct loose stone
Sale price¥69,800
Benitoite 0.231ct loose
Sale price¥220,000
Benitoite 0.286ct loose
Sale price¥258,000
Benitoite 0.272ct loose stone (emerald cut)
Sale price¥248,000
Benitoite 2.0mm/0.050ct loose stone (cabochon cut)
Sale price¥6,980
Oregon sunstone 0.390ct loose
Sale price¥14,800
Pink diaspore 0.351ct loose stone
Sale price¥9,800
Namibian Jeremejevite 0.261ct loose stone
Sale price¥69,800
Jeremejevite 0.201ct loose stone
Sale price¥45,800
Brazilian Bicolor Euclase 2.4mm/0.051ct Loose Stone
Sale price¥22,800
Tanzanian Kornerupine 0.300ct Loose Stone
Sale price¥29,800
Tanzanian Kornerupine 0.210ct loose stone
Sale price¥18,800
Tanzanian Kornerupine 0.220ct loose stone
Sale price¥15,800
Tanzanian Kornerupine 0.229ct loose stone
Sale price¥25,800
Tanzanian Kornerupine 0.249ct loose stone
Sale price¥22,800
Tanzanian Kornerupine 0.303ct loose stone
Sale price¥12,800
Tanzanian Kornerupine 0.201ct loose stone
Sale price¥25,800
Tanzanian Kornerupine 0.200ct Loose Stone
Sale price¥18,800
Rhodochrosite from Detroit City, USA 3.1mm/0.154ct loose stone
Sale price¥29,800
Rhodochrosite from Detroit City, USA 3.2mm/0.150ct loose stone
Sale price¥29,800
Paraiba tourmaline from Mozambique 0.252ct loose
Sale price¥15,800
Paraiba Tourmaline from Mozambique 0.234ct loose stone
Sale price¥12,800
Yellow sapphire 0.287ct loose stone
Sale price¥9,800
Pink sapphire 0.202ct loose stone
Sale price¥9,800
Pink sapphire 0.202ct loose stone
Sale price¥8,800
Purple sapphire 0.199ct loose stone
Sale price¥8,800
Yellow sapphire 0.229ct loose stone
Sale price¥9,800
Sapphire 0.461ct loose stone
Sale price¥15,800
Spanish Andalusite 0.440ct loose stone
Sale price¥8,800
Spanish Andalusite 0.435ct loose stone
Sale price¥8,800
German Awinite 0.070ct loose stone
Sale price¥32,800
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 Trapiche Emerald 0.317ct Rough Stone
Sale price¥19,800
Colombian Trapiche emerald 0.424ct rough stone
Sale price¥39,800
Benitoite 1.8mm/0.025ct loose stone (colorless benitoite)
Sale price¥12,800
Benitoite 1.8mm/0.025ct loose stone (colorless benitoite)
Sale price¥15,800
Benitoite 1.8mm/0.028ct loose stone (colorless benitoite)
Sale price¥14,800
Brazilian Paraiba Tourmaline 0.405ct loose stone (CuO2.7% CuO2.2%) GIA
Sale price¥198,000
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.