Brazilian Dumortierite in Quartz 1.414ct Loose Stone
Sale price¥12,800
Colombian Euclase 1.817ct Loose Stone
Sale price¥29,800
Vietnamese aquamarine 0.729ct loose stone
Sale price¥8,800
Vietnamese aquamarine 0.574ct loose stone
Sale price¥8,800
Tibetan Andesine 0.361ct Loose Stone
Sale price¥8,800
Brazilian Medusa Quartz (Paraiba Quartz) 0.614ct Loose Stone
Sale price¥9,800
Madagascar Labradorite 0.546ct Loose Stone
Sale price¥7,980
0.903ct loose labradorite from Madagascar
Sale price¥9,800
Tanzanite from Tanzania 0.342ct loose stone
Sale price¥7,980
Tanzanite from Tanzania 0.342ct loose stone
Sale price¥7,980
Almandine Garnet 0.348ct Loose Stone
Sale price¥8,800
Rhodolite Garnet 5.3mm/0.703ct Loose Stone
Sale price¥12,800
Mexican Fire Opal 5.8mm/0.345ct Loose Stone
Sale price¥12,800
Tibetan Andesine 0.768ct Loose Stone
Sale price¥12,800
Tanzanian mint diopside 0.364ct loose stone
Sale price¥9,800
Brazilian Kasharai Amethyst 5.6mm/0.460ct Loose Stone
Sale price¥8,800
Madagascar Bicolor Sapphire 0.278ct Loose
Sale price¥8,800
Madagascar Bicolor Sapphire 0.324ct Loose
Sale price¥9,800
Brazilian Kasharai Amethyst 0.314ct Loose Stone
Sale price¥9,800
Oregon Sunstone from the United States, 0.386ct loose stone
Sale price¥24,800
Brazilian bicolor tourmaline 1.056ct loose
Sale price¥12,800
Rough diamond (makeable) 0.185ct loose (VS-SI)
Sale price¥19,800
Rough diamond (makeable) 0.345ct loose (VS-SI equivalent)
Sale price¥29,800
Sunstone (Illusion Sunstone) 0.895ct loose stone
Sale price¥8,800
Sri Lankan star sapphire 1.061ct loose
Sale price¥3,980
Brazilian emerald 3.3mm/0.119ct loose
Sale price¥22,800
Bicolor tourmaline 0.707ct loose
Sale price¥12,800
Prehnite 5.3mm/0.469ct loose
Sale price¥3,980
Prehnite 5.6mm/0.565ct loose
Sale price¥3,980
Goethite in Amethyst 0.806ct loose stone
Sale price¥4,980
Rhodochrosite 1.884ct loose from Detroit City, USA
Sale price¥188,000
Parasite Peridot (Paracytic Peridot) 0.541ct Loose Japanese-German Edition
Sale price¥256,000
Rhodochrosite 0.527ct loose from Detroit City, USA
Sale price¥45,800
Rhodochrosite 0.516ct loose from Detroit City, USA
Sale price¥45,800
Blue tourmaline from Afghanistan 0.209ct loose
Sale price¥2,980
Blue tourmaline from Afghanistan 3.5mm/0.178ct loose
Sale price¥3,980
Yellow tourmaline 0.431ct loose stone
Sale price¥3,980
Hackmanite 0.520ct loose stone
Sale price¥18,800
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
Bicolor Benitoite 0.194ct loose (square cut)
Sale price¥128,000
Zoisite 1.219ct loose stone
Sale price¥15,800
Bicolor tourmaline 0.669ct loose (rose cut)
Sale price¥8,800
Bicolor tourmaline 0.549ct loose (rose cut)
Sale price¥8,800
Andalusite 5mm/0.480ct loose
Sale price¥3,980
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.