Brazilian Medusa Quartz (Paraiba Quartz) 1.945ct Loose Stone
Sale price¥24,800
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 Dolomite 4.070ct Loose Stone, Japan-Germany Mirror
Sale price¥98,000
Brazilian Paraiba Tourmaline 0.821ct rough stone
Sale price¥39,800
Brazilian Green Tourmaline 26.071ct Loose Stone (Sugarloaf Cut)
Sale price¥298,000
Brazilian bicolor tourmaline 6.928ct loose stone (bicolor blue tourmaline)
Sale price¥298,000
Brazilian rutilated quartz (rutilated quartz) 8.247ct loose stone
Sale price¥14,800
Brazilian Alexandrite 0.125ct loose stone
Sale price¥29,800
Brazilian Euclase 0.224ct Loose Stone (Bicolor Euclase)
Sale price¥18,800
Brazilian pink tourmaline 1.458ct loose stone
Sale price¥39,800
Brazilian copper rutilated quartz 1.334ct loose stone
Sale price¥9,800
Brazilian Flower Rutile in Quartz 3.066ct Loose Stone
Sale price¥18,800
Brazilian Flower Rutile in Quartz 3.312ct Loose Stone
Sale price¥15,800
Brazilian Tourmaline (untreated) 5.120ct loose stone
Sale price¥39,800
Brazilian Yellow Beryl 11.411ct Loose Stone, Japan-Germany Exchange
Sale price¥25,800
Brazilian Green Tourmaline 0.182ct Loose Stone
Sale price¥8,800
Brazilian Euclase 0.213ct loose stone (bicolor Euclase)
Sale price¥15,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 3.865ct Loose Stone
Sale price¥19,800
Brazilian Alexandrite 0.069ct loose stone (princess cut)
Sale price¥17,800
Brazilian Alexandrite 0.068ct loose stone (princess cut)
Sale price¥17,800
Brazilian Alexandrite 0.072ct loose stone (princess cut)
Sale price¥18,800
Brazilian Green Tourmaline 12.252ct Loose Stone
Sale price¥398,000
Brazilian Paraiba Tourmaline 0.233ct loose stone (CuO: 1.6%. MnO: 2.4%)
Sale price¥358,000
Paraiba tourmaline from Brazil 0.154ct loose
Sale price¥29,800
Brazilian Euclase 0.289ct loose stone
Sale price¥12,800
Brazilian Euclase 0.263ct Loose Stone (Colorless Euclase)
Sale price¥9,800
Brazilian Euclase 0.695ct Loose Stone
Sale price¥18,800
Brazilian Alexandrite 0.111ct loose stone
Sale price¥24,800
Brazilian Flower Rutile in Quartz 5.122ct Loose Stone
Sale price¥9,800
Brazilian Dendritic Agate 1.679ct Loose Stone
Sale price¥8,800
Brazilian Dendritic Agate 2.788ct Loose Stone
Sale price¥9,800
Brazilian Dendritic Agate 3.575ct Loose Stone
Sale price¥9,800
Brazilian Pink Tourmaline 0.418ct Loose Stone (Rouge Cut)
Sale price¥9,800
Brazilian copper rutilated quartz 1.410ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.352ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.647ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.560ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.937ct loose stone
Sale price¥8,800
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.