Pink diamond 2.2mm/0.044ct loose (FANCY PURPLE PINK, I-1)
Sale price¥39,800
Red Beryl 2.9mm/0.096ct loose
Sale price¥35,800
Red beryl 0.173ct loose
Sale price¥38,800
Chrysoberyl cat's eye 2.553ct loose (bicolor)
Sale price¥49,800
American red beryl 2.9mm/0.094ct loose
Sale price¥35,800
Brazilian bicolor tourmaline 1.764ct loose
Sale price¥35,800
Rough diamond (makeable) 0.345ct loose (VS-SI equivalent)
Sale price¥34,800
Paraiba tourmaline from Brazil 0.129ct loose (CuO:0.8%,MnO:0.1%)
Sale price¥48,800
Paraiba tourmaline from Brazil 0.101ct loose (CuO:0.9%,MnO:0.1%)
Sale price¥39,800
Oregon Sunstone from the United States 2.731ct loose stone
Sale price¥39,800
Taaffeite from Myanmar 0.580ct Ruth Japanese German edition
Sale price¥49,800
Paraiba tourmaline from Brazil 0.211ct loose (CuO:0.6%,MnO:3.1%)
Sale price¥49,800
Rhodochrosite 0.527ct loose from Detroit City, USA
Sale price¥49,800
Rhodochrosite 0.516ct loose from Detroit City, USA
Sale price¥49,800
Brazilian bicolor tourmaline 3.291ct loose
Sale price¥39,800
Brazilian bicolor tourmaline 3.569ct loose
Sale price¥49,800
Brazilian pink euclase 0.091ct loose
Sale price¥39,800
Pink zoisite from Tanzania 0.536ct loose Japanese German edition
Sale price¥39,800
Russian demantoid garnet (horsetail recognized) 0.291ct loose
Sale price¥49,800
Brazilian Paraiba tourmaline 0.226ct loose (CuO:0.7%, MnO:2.5%)
Sale price¥45,800
Ekanite from Sri Lanka 1.430ct loose
Sale price¥35,800
Hackmanite 0.506ct loose
Sale price¥49,800
Taaffeite 0.241ct loose Japanese and German
Sale price¥49,800
Paraiba tourmaline from Brazil 0.205ct loose (CuO:0.8%, MnO:3.1%)
Sale price¥45,800
Paraiba tourmaline from Brazil 0.167ct loose (CuO:1.6%, MnO:3.0%)
Sale price¥35,800
Paraiba tourmaline from Brazil 0.226ct loose (CuO:0.7%, MnO:3.6%)
Sale price¥49,800
Paraiba tourmaline from Brazil 0.204ct loose
Sale price¥36,800
Colombian mica in emerald 1.314ct loose
Sale price¥39,800
Mexican Opal 8mm/1.430ct Loose
Sale price¥39,800
Burmese bicolor spinel 0.849ct loose
Sale price¥39,800
Ice blue sapphire 3.813ct loose
Sale price¥49,800
Tanzanite 1.360ct loose stone
Sale price¥49,800
Cantera opal 17.284ct loose
Sale price¥39,800
Cantera Opal 8.678ct loose
Sale price¥35,800
[Mr. Fukasawa Smoky Mushroom] Smoky Quartz 20.250ct loose with patch
Sale price¥35,800
Red beryl 0.181ct loose
Sale price¥35,800
Rutilated Quartz (Rutilated Quartz) 82.385ct Loose Stone, Japan-Germany
Sale price¥39,800
Pyrope spessartine garnet (color change garnet) 1.707ct loose
Sale price¥45,800
Pyrope spessartine garnet (color change garnet) 1.297ct loose
Sale price¥39,800
Pyrope spessartine garnet (color change garnet) 1.234ct loose
Sale price¥35,800
Pyrope spessartine garnet (color change garnet) 1.171ct loose
Sale price¥35,800
Paraiba tourmaline from Brazil 0.230ct loose (CuO:0.8%, MnO:3.3%)
Sale price¥35,800
Mexican Fire Opal 1.580ct Loose
Sale price¥35,800
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.