Brazilian citrine 5.4mm/0.769ct loose stone
Sale price¥6,980
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
Sri Lankan purple spinel 1.060ct loose stone
Sale price¥98,000
Madagascar Bicolor Sapphire 0.633ct Loose
Sale price¥39,800
Russian Demantoid Garnet (Horsetail) 0.256ct Loose Stone
Sale price¥79,800
Greenland Ruby 0.360ct Loose Stone with Certificate
Sale price¥69,800
Russian Alexandrite 0.083ct loose stone
Sale price¥69,800
Russian Alexandrite 0.049ct loose stone
Sale price¥49,800
Russian Alexandrite 2/5mm/0.070ct Loose Stone
Sale price¥59,800
German Awinite 0.063ct loose stone
Sale price¥29,800
German Apatite 0.073ct loose stone
Sale price¥32,800
Grandidierite from Madagascar 0.168ct loose stone
Sale price¥35,800
Pakistani Axinite (Green Tint) 1.476ct Loose Stone
Sale price¥39,800
Mozambique Rhodolite Garnet 0.835ct Loose Stone
Sale price¥12,800
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
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
Afghan Kunzite 4.331 ct Loose Stone
Sale price¥8,800
Tibetan Andesine 0.768ct Loose Stone
Sale price¥12,800
Tanzanian mint diopside 0.364ct 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
Bicolor tourmaline 5.825ct loose
Sale price¥128,000
Brazilian emerald 3.3mm/0.119ct loose
Sale price¥22,800
Prehnite 5.3mm/0.469ct loose
Sale price¥3,980
Prehnite 5.6mm/0.565ct loose
Sale price¥3,980
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
Hackmanite 0.520ct loose stone
Sale price¥18,800
Kunzite 8.4mm/2.908ct loose stone
Sale price¥19,800
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.