Brazilian copper rutilated quartz 1.334ct loose stone
Sale price¥9,800
Oregon Sunstone from the United States 0.292ct loose stone
Sale price¥8,800
Synthetic Alexandrite 0.287ct loose stone
Sale price¥8,800
Tanzanite from Tanzania 0.491ct loose stone
Sale price¥8,800
Tanzanite from Tanzania 0.466ct loose stone
Sale price¥8,800
Sri Lankan Moonstone 0.561ct Loose
Sale price¥6,980
Tanzania Bicolor Zoisite 4.1mm/0.313ct Loose Stone
Sale price¥5,980
Tanzania Bicolor Zoisite 4mm/0.305ct Loose Stone
Sale price¥6,980
Tanzania Bicolor Zoisite 0.357ct Loose Stone
Sale price¥6,980
Tanzanian Almandine Garnet 1.103ct Loose Stone
Sale price¥9,800
Mozambique Aquamarine 4.9mm/0.463ct Loose Stone
Sale price¥9,800
Spanish Andalusite 5.7mm/0.706ct loose stone
Sale price¥9,800
Vietnam Aquamarine 0.626ct Loose
Sale price¥8,800
Tanzanian Grape Garnet 0.785ct Loose Stone
Sale price¥9,800
Chinese bicolor fluorite 1.192ct loose stone
Sale price¥7,980
Chinese bicolor fluorite 1.088ct loose stone
Sale price¥7,980
Chinese bicolor fluorite 0.990ct loose stone
Sale price¥6,980
Chinese bicolor fluorite 0.908ct loose stone
Sale price¥6,980
Tanzanian bicolor sapphire 0.120ct loose stone
Sale price¥5,980
Tanzanian bicolor sapphire 0.124ct loose stone
Sale price¥5,980
Tanzanian bicolor sapphire 0.149ct loose stone
Sale price¥6,980
Tanzanian bicolor sapphire 0.152ct loose stone
Sale price¥6,980
Tanzanian bicolor sapphire 0.128ct loose stone
Sale price¥6,980
Tanzanian bicolor sapphire 0.181ct loose stone
Sale price¥6,980
Vietnam Aquamarine 5.1mm/0.410ct Loose Stone
Sale price¥6,980
Vietnam Aquamarine 5.9mm/0.700ct Loose Stone
Sale price¥8,800
Vietnam Aquamarine 5.0mm/0.739ct Loose Stone
Sale price¥9,800
Vietnam Aquamarine 5.1mm/0.457ct Loose Stone
Sale price¥6,980
Brazilian Green Tourmaline 0.182ct Loose Stone
Sale price¥8,800
3.324ct Tanzanian Purple Zoisite Rough Stone
Sale price¥6,980
Tanzania Purple Zoisite Rough Stone 5.522ct
Sale price¥9,800
Tanzania Purple Zoisite Rough Stone 2.590ct
Sale price¥9,800
Madagascar Yellow Sapphire 0.283ct Loose
Sale price¥6,980
Madagascar sapphire 0.162ct loose stone
Sale price¥5,980
Tanzania Green Apatite 0.246ct Loose Stone
Sale price¥8,800
Tanzania Green Apatite 0.190ct Loose Stone
Sale price¥6,980
Tanzania Green Apatite 0.329ct Loose Stone
Sale price¥8,800
Watermelon tourmaline 6.575ct rough stone
Sale price¥9,800
Amazon Green Opal 1.372ct Loose (Faceted Cut)
Sale price¥8,800
Amazonian green opal 1.814ct loose stone (faceted cut)
Sale price¥9,800
Amazon Green Opal 0.781ct Loose (Faceted Cut)
Sale price¥7,980
Brazilian Euclase 0.263ct Loose Stone (Colorless Euclase)
Sale price¥9,800
Brazilian Flower Rutile in Quartz 5.122ct Loose Stone
Sale price¥9,800
Synthetic Alexandrite 0.287ct loose stone
Sale price¥8,800
Synthetic Alexandrite 0.405ct loose stone
Sale price¥9,800
Brazilian Dendritic Agate 1.679ct Loose Stone
Sale price¥8,800
Brazilian Dendritic Agate 2.788ct Loose Stone
Sale price¥9,800
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.