Brazilian mint-colored emerald 0.491ct loose stone
Sale price¥15,800
Brazilian pink tourmaline 0.577ct loose stone
Sale price¥18,800
Brazilian bicolor tourmaline 2.341ct loose stone
Sale price¥79,800
Brazilian pink tourmaline 1.515ct loose stone
Sale price¥98,000
Brazilian Paraiba Tourmaline in Quartz 0.780ct Loose Stone
Sale price¥15,800
Brazilian citrine 5.4mm/0.769ct loose stone
Sale price¥6,980
Brazilian citrine 1.125ct loose stone
Sale price¥9,800
Brazilian citrine 1.962ct loose stone
Sale price¥9,800
Brazilian citrine 1.659ct loose stone
Sale price¥9,800
Brazilian citrine 1.644ct loose stone
Sale price¥9,800
Brazilian London Blue Topaz 1.281ct Loose
Sale price¥12,800
Brazilian Elestial Amethyst 1.378ct Loose Stone
Sale price¥12,800
Brazilian Elestial Amethyst 1.586ct Loose Stone
Sale price¥8,800
Brazilian Dumortierite in Quartz 1.414ct Loose Stone
Sale price¥12,800
Brazilian Medusa Quartz (Paraiba Quartz) 0.614ct Loose Stone
Sale price¥9,800
Brazilian Kasharai Amethyst 5.6mm/0.460ct Loose Stone
Sale price¥8,800
Brazilian Kasharai Amethyst 0.314ct Loose Stone
Sale price¥9,800
Brazilian bicolor tourmaline 1.056ct loose
Sale price¥12,800
Bicolor tourmaline 5.825ct loose
Sale price¥128,000
Brazilian emerald 3.3mm/0.119ct loose
Sale price¥22,800
Bicolor tourmaline 0.707ct loose
Sale price¥12,800
Goethite in Amethyst 0.806ct loose stone
Sale price¥4,980
Yellow tourmaline 0.431ct loose stone
Sale price¥3,980
Lepidocrocite in quartz 1.555ct loose
Sale price¥12,800
Lepidocrocite in Quartz 1.227ct Loose Stone
Sale price¥9,800
Lepidocrocite in quartz 0.692ct loose
Sale price¥8,800
Brazilian bicolor tourmaline 3.291ct loose
Sale price¥35,800
Brazilian bicolor tourmaline 3.569ct loose
Sale price¥35,800
Bicolor tourmaline 0.669ct loose (rose cut)
Sale price¥8,800
Bicolor tourmaline 0.549ct loose (rose cut)
Sale price¥8,800
Rose quartz 18.410ct loose (pineapple cut)
Sale price¥5,980
Green quartz 10.330ct loose (pineapple cut)
Sale price¥4,980
Andalusite 5mm/0.480ct loose
Sale price¥3,980
Brazilian bicolor tourmaline 1.965ct loose stone
Sale price¥18,800
Brazilian Color-Shifting Amethyst 0.849ct Loose Stone
Sale price¥8,800
Brazilian Blue Topaz 5.5mm/0.754ct Loose Stone
Sale price¥5,980
Brazilian Alexandrite 0.097ct Loose Stone (Emerald Cut)
Sale price¥38,800
Brazilian London Blue Topaz 0.415ct Loose Stone
Sale price¥6,980
Brazilian Morganite 0.484ct loose stone
Sale price¥12,800
Brazilian Morganite 0.377ct loose stone
Sale price¥8,800
Brazilian bicolor tourmaline 1.449ct loose stone
Sale price¥19,800
Brazilian bicolor tourmaline 0.621ct loose stone
Sale price¥12,800
[12552640] Unheated Brazilian Paraiba Tourmaline 0.073ct loose stone
Sale price¥49,800
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.