Paraiba Tourmaline Loose Stone from Brazil 0.068ct (CuO: 1.1% MnO: 0.1%)
Sale price¥45,800
Brazilian Paraiba Tourmaline 0.052ct Loose Stone (CuO:1.2% MnO:1.2%)
Sale price¥35,800
Brazilian Paraiba Tourmaline 0.051ct Loose Stone (CuO:1.1% MnO:0.6%)
Sale price¥35,800
Brazilian Paraiba Tourmaline 0.048ct (CuO:1.5% MnO:1.0%)
Sale price¥35,800
Madagascar Bicolor Sphene 1.551ct Loose Stone
Sale price¥15,800
Brazilian Morganite 3.929ct loose stone
Sale price¥19,800
Brazilian Dumortierite in Quartz 0.387ct loose stone
Sale price¥3,980
Madagascar Pezzottaite 0.229ct loose stone
Sale price¥15,800
Madagascar Pezzottaite 0.554ct loose stone
Sale price¥15,800
Russian Demantoid Garnet (Horsetail) 2.9mm/0.194ct Loose Stone
Sale price¥22,800
Tanzanite 1.004ct loose stone
Sale price¥18,800
Mexican Fire Opal 1.833ct Loose
Sale price¥39,800
Mexican Fire Opal 1.424ct Loose
Sale price¥39,800
Namibian Hemimorphite 0.697ct Loose Stone
Sale price¥7,980
Namibian Hemimorphite 0.615ct Loose Stone
Sale price¥7,980
Nepalese bicolor kyanite 0.987ct loose stone
Sale price¥9,800
Nepalese Bicolor Kyanite 6.3mm/0.903ct Loose Stone
Sale price¥9,800
Green tourmaline 0.621ct loose stone
Sale price¥9,800
Green tourmaline 0.457ct loose stone
Sale price¥8,800
Diamond 0.320ct loose (D, VS2)
Sale price¥69,800
Zimbabwean Blue Apatite (UV Type) 0.539ct Loose
Sale price¥8,800
Zimbabwean Blue Apatite (UV type) 0.703ct loose stone
Sale price¥9,800
Zimbabwean Blue Apatite (UV type) 1.061ct loose stone
Sale price¥11,000
Mexican Fire Opal 2.235ct Loose
Sale price¥19,800
Mexican Fire Opal 1.743ct Loose
Sale price¥18,800
Mexican Fire Opal 3.425ct Loose
Sale price¥22,800
Synthetic Moissanite 7.999ct loose stone
Sale price¥29,800
Synthetic Moissanite 8.417ct Loose Stone
Sale price¥39,800
Synthetic Moissanite 8.931ct loose stone
Sale price¥45,800
Pakistan scheelite 1.061ct loose (orange scheelite)
Sale price¥25,800
Synthetic Moissanite 4.924ct loose stone
Sale price¥29,800
YAG (Yttrium Aluminum Garnet) 1.357ct loose stone
Sale price¥15,800
YAG (Yttrium Aluminum Garnet) 1.171ct loose stone
Sale price¥14,800
Mexican Cantera Opal 15.195ct Loose
Sale price¥12,800
Brazilian Imperial Topaz 0.826ct Loose
Sale price¥18,800
Bicolor tourmaline 1.198ct loose
Sale price¥12,800
Oregon Sunstone 0.217ct loose
Sale price¥4,980
Oregon Sunstone 0.226ct loose
Sale price¥4,980
Moss Agate 0.771ct loose
Sale price¥6,980
Moss Agate 1.115ct loose
Sale price¥8,800
Sunstone (Illusion Sunstone) 1.908ct loose
Sale price¥8,800
Brazilian Paraiba tourmaline in quartz 0.819ct loose
Sale price¥14,800
Mexican Opal 0.502ct Loose (Faceted Cut)
Sale price¥9,800
Strawberry quartz from Kazakhstan 0.915ct loose
Sale price¥6,980
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.