Dioptase from Namibia 0.229ct loose Japanese-German book
Sale price¥79,800
Brazilian Rhodonite 2.126ct Ruth Japanese-German Edition
Sale price¥88,800
Unheated Ruby from Myanmar 0.433ct Ruth Japanese-German Edition
Sale price¥59,800
Dioptase from Namibia 3.3mm/0.162ct loose Japanese-German edition
Sale price¥98,000
Hemimorphite 34.490ct loose
Sale price¥69,800
Laurentomasite from Madagascar 0.028ct loose Japanese and German
Sale price¥79,800
Laurentomasite from Madagascar 0.022ct Ruth Japanese and German
Sale price¥69,800
Brazilian bicolor tourmaline 4.782ct loose
Sale price¥55,800
Wood opal 24.319ct loose
Sale price¥59,800
Bicolor tourmaline 4.118ct loose
Sale price¥69,800
Bicolor Euclase from Zimbabwe 0.084ct loose
Sale price¥98,000
Bicolor sapphire 1.030ct loose from Windsor, Tanzania
Sale price¥98,000
Bicolor Zoisite 2.481ct loose
Sale price¥69,800
Cambodian blue zircon (Ratanakiri blue) 3.992ct loose
Sale price¥59,800
Brazilian Paraiba tourmaline 0.370ct loose (CuO:1.0%, MnO:1.2%)
Sale price¥69,800
Euclase from Zimbabwe 0.409ct loose
Sale price¥59,800
Paraiba tourmaline from Brazil 0.144ct loose (CuO:0.9%,MnO:2.8%)
Sale price¥55,800
Australian boulder opal 28.880ct loose
Sale price¥69,800
Benitoite 2.2mm/0.270ct loose (gradation set)
Sale price¥79,800
Rubellite 2.115ct loose Japanese-German book
Sale price¥88,800
Blue zircon 3.283ct loose
Sale price¥75,800
Green Zoisite 2.606ct loose
Sale price¥98,000
[Colorful] Pt900/Pt850 Auinite 0.08ct pendant (necklace)
Sale price¥79,800
[Colorful] Pt900/Pt850 Clinohumite 0.726ct Pendant (Necklace)
Sale price¥89,800
[Camellia cut] Mexican fire opal 1.270ct loose with patch
Sale price¥98,000
Orange Celestite 0.848ct Loose Japanese-German Edition
Sale price¥69,800
Pt950 Benitoite 0.10ct Aquamarine Blue Diamond Ring
Sale price¥98,000
Pt950 Oregon Sunstone 1.24ct Indigo Tourmaline Blue Diamond Ring
Sale price¥98,000
Tanzanite 2.358ct loose
Sale price¥69,800
Paraiba tourmaline from Brazil 0.239ct loose
Sale price¥59,800
Paraiba tourmaline from Brazil 0.232ct loose
Sale price¥58,800
Paraiba tourmaline from Brazil 0.240ct loose (CuO:0.7%, MnO:3.8%)
Sale price¥59,800
Russian demantoid garnet (horsetail recognized) 0.214ct loose
Sale price¥59,800
Russian demantoid garnet (horsetail recognized) 4.2mm/0.336ct loose
Sale price¥98,000
Hemimorphite 29.778ct loose
Sale price¥98,000
Russian demantoid garnet (horsetail recognized) 4.4mm/0.394ct loose
Sale price¥88,800
Russian demantoid garnet (horsetail recognized) 4.6mm/0.423ct loose
Sale price¥98,000
Cobalt spinel from Vietnam 2mm/0.031ct loose Japanese-German edition
Sale price¥59,800
Green sapphire 7.545ct loose (spade cut)
Sale price¥69,800
Pigeon Blood Ruby 0.590ct Loose AIGS
Sale price¥55,800
Russian demantoid garnet (horsetail recognized) 4.2mm/0.319ct loose
Sale price¥69,800
[Colorful] Pt950 Alexandrite 0.08ct ring
Sale price¥98,000
Pink diamond 0.191ct loose (VERY LIGHT ORANGY PINK, SI2)
Sale price¥59,800
Particolor tourmaline 24.147ct loose
Sale price¥59,800
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.