Bicolor sapphire 0.207ct loose
Sale price¥6,980
Bicolor sapphire 0.190ct loose
Sale price¥6,980
Bicolor chrysoberyl from Madagascar 1.753ct loose
Sale price¥26,800
Bicolor chrysoberyl from Madagascar 1.590ct loose
Sale price¥23,800
Bicolor chrysoberyl from Madagascar 1.003ct loose
Sale price¥15,800
Bicolor chrysoberyl from Madagascar 1.456ct loose
Sale price¥21,800
Bicolor chrysoberyl from Madagascar 1.520ct loose
Sale price¥22,800
Australian boulder opal 1.730ct loose
Sale price¥9,800
Australian boulder opal 6.980ct loose
Sale price¥7,980
Red beryl 0.104ct loose
Sale price¥34,800
Red beryl 0.120ct loose
Sale price¥36,800
Beryl 0.951ct loose
Sale price¥12,800
Beryl 6.5mm/1.032ct loose stone
Sale price¥12,800
Brazilian Paraiba tourmaline in quartz 2.954ct loose
Sale price¥45,800
Australian boulder opal 4.470ct loose
Sale price¥29,800
Petalite 2.858ct loose
Sale price¥9,800
Paraiba tourmaline from Brazil 0.34ct loose GIA
Sale price¥59,800
Paraiba tourmaline from Mozambique 0.256ct loose
Sale price¥18,800
Paraiba tourmaline from Mozambique 0.207ct loose
Sale price¥12,800
Mexican Fire Opal 4.5mm/0.244ct Loose
Sale price¥12,800
Paraiba tourmaline from Mozambique 0.215ct loose
Sale price¥12,800
Chrysoberyl cat's eye 2.283ct loose
Sale price¥22,800
Brazilian Paraiba tourmaline 0.420ct raw stone (CuO:1.6%, MnO:1.3%)
Sale price¥98,000
Paraiba tourmaline from Mozambique 0.229ct loose
Sale price¥12,800
Paraiba tourmaline from Mozambique 0.388ct loose
Sale price¥24,800
Paraiba tourmaline from Mozambique 0.272ct loose
Sale price¥15,800
Paraiba tourmaline from Mozambique 0.596ct loose
Sale price¥29,800
Paraiba tourmaline from Mozambique 0.273ct loose
Sale price¥18,800
Paraiba tourmaline from Mozambique 0.228ct loose
Sale price¥12,800
Paraiba Tourmaline from Mozambique 2.037ct loose stone with gem analysis
Sale price¥598,000
Australian boulder opal 3.695ct loose
Sale price¥15,800
Australian boulder opal 2.470ct loose
Sale price¥8,800
Australian boulder opal 4.729ct loose
Sale price¥19,800
Mexican Fire Opal 1.150ct Loose
Sale price¥39,800
Paraiba tourmaline from Mozambique 0.243ct loose
Sale price¥19,800
Chrysoberyl cat's eye from Sri Lanka 5.176ct loose
Sale price¥198,000
Brazilian bicolor tourmaline 1.554ct loose (tricolor tourmaline)
Sale price¥25,800
Benitoite 0.091ct loose
Sale price¥24,800
Bicolor tourmaline 22.088ct loose
Sale price¥288,000
Mexican Fire Opal 4.2mm/0.182ct Loose
Sale price¥8,800
Felspar 2.993ct loose from Sri Lanka
Sale price¥8,800
Felspar 3.330ct loose from Sri Lanka
Sale price¥8,800
Felspar 1.478ct loose from Sri Lanka
Sale price¥3,980
Felspar 1.939ct loose from Sri Lanka
Sale price¥5,980
Brazilian bicolor tourmaline 4.782ct loose
Sale price¥55,800
Red Beryl 2.9mm/0.096ct loose
Sale price¥35,800
Brazilian bicolor tourmaline 2.047ct loose
Sale price¥29,800
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.