Oval Cut
Cambodian colorless zircon 1.806ct loose stone
Sale price¥15,800
Oregon Sunstone from the United States 0.596ct loose stone
Sale price¥12,800
Tanzanian Violet Spinel 0.541ct Loose Stone
Sale price¥9,800
Tanzanian Kornerupine 0.616ct loose stone
Sale price¥49,800
Brazilian alexandrite 0.082ct loose
Sale price¥12,800
Brazilian Dumortierite in Quartz 0.482ct loose stone (faceted cut)
Sale price¥5,980
Brazilian Dumortierite in Quartz 0.652ct loose stone (faceted cut)
Sale price¥9,800
Zimbabwe bicolor euclase 0.110ct loose stone
Sale price¥49,800
Brazilian pyrope almandine garnet 0.925ct loose stone
Sale price¥9,800
Brazilian Aquamarine 0.578ct Loose Stone
Sale price¥12,800
Turkish pink diaspore 0.194ct loose stone
Sale price¥9,800
Turkish pink diaspore 0.171ct loose stone
Sale price¥8,800
Spanish Andalusite 0.478ct loose stone
Sale price¥6,980
Spanish Andalusite 0.394ct loose stone
Sale price¥8,800
Tanzanian Rhodolite Garnet 0.627ct Loose Stone
Sale price¥8,800
Afghanite from Afghanistan 0.193ct loose stone
Sale price¥39,800
Tibetan Andesine 2.020ct Loose Stone
Sale price¥18,800
Brazilian Medusa Quartz (Paraiba Quartz) 0.590ct Loose
Sale price¥9,800
Australian Rainbow Lattice Sunstone 0.590ct Loose
Sale price¥12,800
Australian Rainbow Lattice Sunstone 0.876ct Loose Stone
Sale price¥19,800
Brazilian unheated pink imperial topaz (sherry pink) 0.476ct loose stone
Sale price¥39,800
Mexican Fire Opal (Faceted Cut) 0.918ct Loose
Sale price¥12,800
Montana sapphire 0.370ct loose stone
Sale price¥9,800
Cambodian colorless zircon 0.749ct loose stone
Sale price¥8,800
Purple Apatite 0.896ct Loose Stone with Certificate of Authenticity
Sale price¥11,000
Purple Apatite 1.549ct Loose Stone with Certificate
Sale price¥18,800
Purple Apatite 0.993ct Loose Stone with Certificate of Authenticity
Sale price¥9,800
Purple Apatite 0.769ct Loose Stone with Certificate of Authenticity
Sale price¥8,800
Brazilian copper rutilated quartz 2.051ct loose stone
Sale price¥8,800
Tanzania Magnesioaxinite 0.198ct loose stone by Nikkei
Sale price¥69,800
Sri Lankan Dunilite 0.142ct loose stone with certificate
Sale price¥25,800
Myanmar Star Peridot 2.678ct Loose Stone
Sale price¥29,800
Myanmar Star Peridot 3.644ct Loose Stone
Sale price¥39,800
[12558655] Calcite 1.185ct loose stone
Sale price¥23,800
Myanmar Leuco Garnet 0.504ct Loose Stone JTL Catalog
Sale price¥39,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.189ct Loose Stone
Sale price¥16,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.192ct Loose Stone
Sale price¥13,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.272ct Loose Stone
Sale price¥19,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.272ct Loose Stone
Sale price¥19,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.179ct Loose Stone
Sale price¥12,800
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.