Brazilian Lepidocrocite in Quartz 0.721ct Loose Stone
Sale price¥14,800
Brazilian Lepidocrocite in Quartz 0.957ct Loose Stone
Sale price¥15,800
Tourmaline 0.541ct loose stone
Sale price¥8,800
Brazilian Tourmaline 0.858ct Loose Stone
Sale price¥15,800
Brazilian Pink Tourmaline 0.538ct Loose Stone
Sale price¥8,800
Brazilian pink tourmaline 0.844ct loose stone
Sale price¥22,800
Brazilian Pink Tourmaline 0.855ct Loose Stone
Sale price¥14,800
Brazilian Pink Tourmaline 0.628ct Loose Stone
Sale price¥15,800
Mexican Fire Opal 6.7mm/0.953ct Loose
Sale price¥25,800
Mexican Fire Opal 7.1mm/0.911ct Loose
Sale price¥25,800
Brazilian bicolor euclase 0.572ct loose stone
Sale price¥24,800
[Koshu Precious Stone Cutting Pluethree] Yellow Beryl 0.880ct Loose
Sale price¥29,800
Oregon Sunstone from the United States 6.0mm/0.844ct loose stone
Sale price¥25,800
Oregon Sunstone from the United States 6mm/0.849ct loose stone
Sale price¥22,800
Tanzanite from Tanzania 0.767ct loose stone
Sale price¥29,800
Brazilian Green Tourmaline 0.935ct Loose Stone
Sale price¥45,800
Oregon Sunstone from the United States 0.941ct loose stone
Sale price¥29,800
Bicolor Benitoite 0.601ct Loose Japanese-German Edition
Sale price¥458,000
Tanzania Pink Zoisite 5.8mm/0.848ct Loose Stone
Sale price¥198,000
Madagascar Grandidierite 0.521ct loose stone
Sale price¥128,000
Indian Rainbow Quartz (Iridescent Quartz) 0.940ct Loose Stone
Sale price¥158,000
Spanish Andalusite 0.776ct loose stone
Sale price¥11,800
Colombian pyrite-mica emerald 0.739ct loose stone
Sale price¥36,800
Colombian pyrite-mica emerald 0.628ct loose stone
Sale price¥35,800
Colombian pyrite-mica emerald 0.649ct loose stone
Sale price¥29,800
Colombian pyrite-mica emerald 0.901ct loose stone
Sale price¥45,800
Colombian pyrite-mica emerald 0.983ct loose stone
Sale price¥49,800
Mexican Fire Opal 0.576ct Loose (Faceted Cut)
Sale price¥9,800
Madagascar sphene 0.665ct loose stone
Sale price¥12,800
Zimbabwean Apatite (UV type) 0.585ct loose stone
Sale price¥12,800
Green tourmaline 0.512ct loose stone
Sale price¥9,800
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
Goshenite 0.852ct loose stone
Sale price¥8,800
0.620ct rough stone of Jeremejevite from Namibia
Sale price¥6,980
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
Vietnam Aquamarine 6.0mm/0.781ct Loose Stone
Sale price¥8,800
Brazilian Paraiba Tourmaline 0.759ct rough stone
Sale price¥45,800
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
Ethiopian Opal 5.2mm/0.688ct Loose (Sphere)
Sale price¥6,980
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.