Bicolor Andesine 6mm/0.824ct loose (color shift)
Sale price¥12,800
Bicolor Andesine 6mm/0.699ct loose (color shift)
Sale price¥12,800
Bicolor Andesine 6mm/0.783ct loose (color shift)
Sale price¥12,800
Green sapphire 0.518ct loose (teal green)
Sale price¥8,800
[12545123 published] Yellow Beryl 0.696ct loose
Sale price¥3,980
Pink zoisite from Tanzania 0.536ct loose Japanese German edition
Sale price¥39,800
Tanzanian Almandine Garnet 0.930ct Loose Stone
Sale price¥9,800
Tanzanian Almandine Garnet 0.750ct Loose Stone
Sale price¥9,800
Tanzanian Almandine Garnet 0.885ct Loose Stone
Sale price¥8,800
Oregon Sunstone from the United States, 0.530ct loose stone
Sale price¥15,800
Synthetic Moissanite 0.632ct loose stone (tie cut)
Sale price¥3,980
Synthetic Moissanite 0.509ct loose stone (tie cut)
Sale price¥3,980
Synthetic rutile 5.1mm/0.893ct loose stone
Sale price¥9,800
Brazilian rose amethyst 0.793ct loose stone
Sale price¥15,800
Madeira Citrine 7mm/0.938ct loose
Sale price¥3,980
Ethiopian Sunstone 0.505ct Loose
Sale price¥8,800
Russian Phenakite 0.520ct Loose Stone
Sale price¥24,800
Tanzanian Rhodolite Garnet 5.3mm/0.903ct Loose Stone
Sale price¥9,800
Tanzanian Wurtzite 0.567ct Loose Stone, Japan-Germany Exchange
Sale price¥198,000
Mozambique rubellite 0.814ct loose stone
Sale price¥39,800
Tanzanian Sunstone 0.980ct Loose Stone
Sale price¥9,800
American Peridot 0.635ct Loose Stone
Sale price¥12,800
Tanzanian Sunstone (Illusion Sunstone) 0.777ct Loose Stone
Sale price¥12,800
Pakistani Peridot 0.649ct Loose Stone
Sale price¥8,800
Pakistani Peridot 5.2mm/0.562ct Loose Stone
Sale price¥9,800
Colombian Euclase 0.546ct Loose Stone
Sale price¥25,800
Mexican Hyalite Opal 0.743ct Loose
Sale price¥12,800
Tibetan Andesine 0.738ct Loose Stone
Sale price¥15,800
Unheated Pigeon Blood Ruby from Myanmar, 0.640ct Loose, AIGS
Sale price¥258,000
Brazilian pink tourmaline 0.577ct loose stone
Sale price¥18,800
Madagascar Apatite 6.0mm/0.901ct Loose Stone
Sale price¥9,800
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
Madagascar Bicolor Sapphire 0.633ct Loose
Sale price¥39,800
Mozambique Rhodolite Garnet 0.835ct Loose Stone
Sale price¥12,800
Vietnamese aquamarine 0.729ct loose stone
Sale price¥8,800
Vietnamese aquamarine 0.574ct 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
Rhodolite Garnet 5.3mm/0.703ct Loose Stone
Sale price¥12,800
Tibetan Andesine 0.768ct Loose Stone
Sale price¥12,800
Sunstone (Illusion Sunstone) 0.895ct loose stone
Sale price¥8,800
Bicolor tourmaline 0.707ct loose
Sale price¥12,800
Prehnite 5.6mm/0.565ct 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.