Namibian Jeremejevite 0.147ct loose stone with certificate
Sale price¥29,800
Colombian Euclase 0.817ct loose stone
Sale price¥29,800
Colombian Euclase 1.344ct loose stone
Sale price¥26,800
Colombian Euclase 0.735ct loose stone
Sale price¥14,800
[7/5 22:00 Fireworks] Colombian Euclase 1.408ct Loose Stone
Sale price¥24,800
Colombian Euclase 0.512ct Loose Stone
Sale price¥18,800
Colombian Euclase 1.776ct loose stone
Sale price¥15,800
Madagascar Apatite Cat's Eye 1.644ct Loose Stone
Sale price¥8,800
Madagascar Apatite Cat's Eye 2.496ct Loose Stone
Sale price¥9,800
Madagascar Apatite Cat's Eye 0.909ct Loose Stone
Sale price¥6,980
Brazilian Morganite 0.405ct loose stone
Sale price¥7,980
Brazilian Morganite 2.183ct loose stone
Sale price¥29,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.375ct Loose Stone
Sale price¥18,800
Brazilian Swiss Blue Topaz 1.179ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.957ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.827ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.889ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.890ct Loose
Sale price¥8,800
Brazilian Swiss Blue Topaz 1.193ct Loose
Sale price¥9,800
Brazilian Swiss Blue Topaz 1.042ct Loose Stone
Sale price¥9,800
Brazilian Swiss Blue Topaz 0.983ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 1.395ct Loose
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.724ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 1.043ct Loose Stone
Sale price¥8,800
Brazilian Blue Topaz 1.355ct Loose
Sale price¥8,800
Brazilian Blue Topaz 0.766ct Loose Stone
Sale price¥6,980
Brazilian Sky Blue Topaz 1.086ct Loose
Sale price¥8,800
Dominican Republic Conch Pearl (with flame pattern) 1.260ct loose
Sale price¥25,800
Veilinite from Pakistan (Vailinite) 0.168ct loose
Sale price¥39,800
Dominican Republic Conch Pearl 0.800ct Loose
Sale price¥19,800
Colombian emerald cat's eye 0.084ct loose
Sale price¥6,980
Brazilian Morganite 1.950ct loose stone
Sale price¥14,800
Paraiba tourmaline from Brazil 0.200ct loose (CuO: 0.7%, MnO: 4.0%)
Sale price¥29,800
Synthetic Moissanite 10mm/3.340ct Loose Stone
Sale price¥18,800
Synthetic Moissanite 13.5mm/8.950ct Loose
Sale price¥39,800
Nigerian Cobalt Garnite 0.175ct Loose Stone, Japan-Germany Exchange
Sale price¥35,800
Diamond 0.245ct loose stone (E, VS-1, octagon brilliant cut)
Sale price¥39,800
Mexican fire agate 8.69ct loose
Sale price¥14,800
Mexican fire agate 5.86ct loose
Sale price¥14,800
Andalusite from Madagascar 4.6mm/0.369ct loose stone
Sale price¥5,980
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.
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.