Custom Cut
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.807ct Loose Stone
Sale price¥15,800
Oregon Sunstone from the United States 1.306ct loose stone
Sale price¥12,800
Argentine Inca Rose 5.022ct loose stone
Sale price¥12,800
Australian Opal 1.916ct Loose
Sale price¥8,800
Australian Opal 3.639ct Loose
Sale price¥14,800
Cambodian colorless zircon 0.508ct loose stone
Sale price¥8,800
Cambodian colorless zircon 0.512ct loose stone
Sale price¥8,800
Cambodian colorless zircon 0.533ct loose stone
Sale price¥5,980
Cambodian colorless zircon 0.309ct loose stone
Sale price¥4,980
Mexican Cantera Opal 1.794ct Loose
Sale price¥8,800
Mexican Cantera Opal 2.982ct Loose
Sale price¥14,800
Mexican Cantera Opal 1.534ct Loose
Sale price¥8,800
Mexican Cantera Opal 4.542ct Loose
Sale price¥12,800
Mexican Cantera Opal 11.105ct Loose
Sale price¥12,800
Brazilian Quartz in Quartz 10.349ct Loose Stone
Sale price¥15,800
Andesine Labradorite (also known as Blue Moonstone) 1.096ct loose stone
Sale price¥45,800
Andesine Labradorite (also known as Blue Moonstone) 0.949ct loose stone
Sale price¥45,800
Tanzanian Rhodolite Garnet 10.608ct Loose Stone
Sale price¥98,000
Brazilian Limonite in Topaz 3.399ct loose stone
Sale price¥8,800
Synthetic Moissanite 12.5mm/6.579ct Loose Stone
Sale price¥29,800
Brazilian Imperial Topaz 0.764ct Loose Stone
Sale price¥19,800
Brazilian bicolor tourmaline 0.845ct loose stone
Sale price¥15,800
Indian Moss Agate 0.755ct Loose Stone
Sale price¥7,980
Indian Moss Agate 1.182ct Loose Stone
Sale price¥11,800
Indian Moss Agate 1.434ct Loose Stone
Sale price¥12,800
Brazilian Lepidocrocite in Quartz 0.721ct Loose Stone
Sale price¥14,800
Tourmaline 0.541ct loose stone
Sale price¥8,800
Brazilian Tourmaline 0.858ct Loose Stone
Sale price¥15,800
Brazilian bicolor tourmaline 0.326ct loose stone
Sale price¥8,800
Brazilian Pink Tourmaline 0.538ct Loose Stone
Sale price¥8,800
Brazilian Pink Tourmaline 0.855ct Loose Stone
Sale price¥14,800
Brazilian Sky Blue Topaz 5.246ct Loose Stone
Sale price¥18,800
Brazilian Brown Tourmaline 1.529ct Loose Stone
Sale price¥14,800
Brazilian Green Tourmaline 0.350ct Loose
Sale price¥9,800
Brazilian Limonite in Topaz 6.829ct loose stone
Sale price¥17,800
Brazilian Limonite in Topaz 5.709ct loose stone
Sale price¥9,800
Brazilian bicolor euclase 0.239ct loose stone
Sale price¥18,800
Brazilian Euclase 0.117ct Loose Stone
Sale price¥12,800
Chameleon Diamond 0.057ct Loose (FANCY LIGHT GRAY GREEN, SI2)
Sale price¥29,800
Spanish Andalusite 0.776ct loose stone
Sale price¥11,800
Nigerian Cobalt Garnite 0.179ct Loose Stone JTL Catalog
Sale price¥15,800
Spanish bicolor sphalerite 3.504ct loose stone
Sale price¥38,800
1.953ct Bicolor Sphalerite from Spain
Sale price¥25,800
Bicolor Tourmaline 13.489ct Loose
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.