Pakistani Veirinite 0.072ct loose stone
Sale price¥19,800
Pakistani Veirinite 0.107ct loose stone
Sale price¥29,800
Grandidierite from Madagascar 0.264ct loose stone
Sale price¥88,800
Zimbabwean Apatite (UV type) 0.585ct loose stone
Sale price¥12,800
Zimbabwean Apatite (UV type) 0.209ct loose stone
Sale price¥4,980
Green tourmaline 0.512ct loose stone
Sale price¥9,800
Pakistani Oil in Quartz 0.283ct Loose Stone
Sale price¥7,980
Pakistani Oil in Quartz 0.328ct Loose Stone
Sale price¥8,800
Tibetan bicolor andesine 0.755ct loose stone
Sale price¥8,800
Tanzania Color Change Garnet 0.789ct Loose Stone
Sale price¥9,800
Myanmar pink spinel 0.520ct loose stone
Sale price¥12,800
Tanzanian Kornerupine 0.453ct loose stone
Sale price¥24,800
Goshenite 0.852ct loose stone
Sale price¥8,800
Kunzite from Afghanistan 0.799ct loose stone
Sale price¥6,980
Tanzania Bicolor Zoisite 0.645ct Loose Stone
Sale price¥12,800
Brazilian bicolor tourmaline 0.502ct loose stone
Sale price¥12,800
Madagascar Yellow Sapphire 0.863ct Loose
Sale price¥18,800
Nigerian Aventurine Aquamarine 0.471ct Loose Stone
Sale price¥8,800
Violet Sapphire 4.3mm/0.328ct Loose
Sale price¥15,800
Pink sapphire 4.5mm/0.390ct loose stone
Sale price¥15,800
Purple sapphire 4mm/0.273ct loose stone
Sale price¥12,800
Yellow Sapphire 4.0mm/0.266ct Loose
Sale price¥12,800
Pink sapphire 0.271ct loose stone
Sale price¥8,800
Montana Sapphire 0.405ct Loose (Green Sapphire)
Sale price¥9,800
Montana Sapphire 0.331ct Loose (Bi-Color Sapphire)
Sale price¥8,800
Brazilian Paraiba Tourmaline 0.759ct rough stone
Sale price¥45,800
Russian diamond rough (sawable) 0.094ct rough
Sale price¥24,800
Bicolor Euclase from Zimbabwe 0.033ct loose
Sale price¥28,800
Pakistani Lazurite (Azurite) 0.305ct Loose Stone
Sale price¥49,800
Bicolor Fluorite 6.1mm/0.869ct Loose Stone
Sale price¥6,980
Manganotantalite 0.736ct loose stone from Japan and Germany
Sale price¥158,000
Brazilian Paraiba Tourmaline 0.037ct Loose (CuO:1.9%, MnO:2.3%)
Sale price¥39,800
Ethiopian Opal 5.2mm/0.688ct Loose (Sphere)
Sale price¥6,980
Paraiba Tourmaline from Brazil 0.067 ct loose (CuO: 1.4%, MnO: 2.4%)
Sale price¥45,800
Paraiba Tourmaline from Brazil, 0.034ct Loose (CuO: 1.8%, MnO: 2.4%)
Sale price¥29,800
Detroit City Rhodochrosite 4mm/0.439ct Loose Stone
Sale price¥8,800
American Herkimer Diamond 5.6mm/0.516ct Loose
Sale price¥9,800
Brazilian Goshenite 0.771ct loose stone
Sale price¥6,980
Brazilian Paraiba Tourmaline 0.200ct loose stone (CuO: 1.7%, MnO: 2.8%)
Sale price¥98,000
Brazilian Paraiba Tourmaline 0.821ct rough stone
Sale price¥39,800
Colombian Trapiche Emerald 0.372ct Loose
Sale price¥19,800
Colombian Trapiche Emerald 0.299ct Loose
Sale price¥16,800
Tanzanite from Tanzania 0.262ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 0.397ct Loose Stone
Sale price¥8,800
American Red Beryl 0.106ct Loose
Sale price¥24,800
Russian rough diamond (sawable) 0.125ct loose
Sale price¥29,800
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.