Copper rutilated quartz 1.747ct loose
Sale price¥6,980
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 3.089ct loose
Sale price¥11,000
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.626ct loose
Sale price¥16,800
Tibetan bicolor andesine 1.856ct loose
Sale price¥22,800
Tibetan bicolor andesine 1.972ct loose
Sale price¥24,800
Bicolor Euclase from Zimbabwe 0.197ct loose
Sale price¥88,800
Colombian trapiche emerald 13.466ct loose
Sale price¥398,000
Phosphophyllite from Bolivia 2.589ct loose Japanese-German edition
Sale price¥1,280,000
Bicolor Euclase from Zimbabwe 0.211ct loose
Sale price¥98,000
Unheated silky pink sapphire from Vietnam 0.202ct loose
Sale price¥8,800
Bicolor Euclase from Zimbabwe 0.375ct Ruth Japanese-German Edition
Sale price¥128,000
Benitoite 0.091ct loose (emerald cut)
Sale price¥29,800
Hokkaido rhodochrosite 0.835ct loose
Sale price¥14,800
Hokkaido rhodochrosite 0.955ct loose
Sale price¥7,980
Hokkaido rhodochrosite 0.905ct loose
Sale price¥7,980
Hokkaido rhodochrosite 1.035ct loose
Sale price¥9,800
Bulgarian green sphalerite 9.2mm/3.608ct loose Japanese-German edition
Sale price¥398,000
Colombian oil-free emerald 0.220ct loose GIA
Sale price¥248,000
Rubellite 7.068ct loose Japanese-German book
Sale price¥498,000
Paraiba tourmaline from Mozambique 0.240ct loose
Sale price¥35,800
Paraiba tourmaline from Mozambique 0.414ct loose
Sale price¥55,800
Paraiba tourmaline from Mozambique 0.130ct loose
Sale price¥22,800
Paraiba tourmaline from Mozambique 0.246ct loose
Sale price¥39,800
Myanmar orange jade (jade) 0.584ct loose
Sale price¥6,980
Myanmar orange jade (jade) 0.531ct loose
Sale price¥6,980
Blue tourmaline 0.369ct loose Japanese-German book
Sale price¥8,800
Lazurite in quartz 0.959ct loose
Sale price¥29,800
Lazurite in quartz 0.877ct loose
Sale price¥25,800
Lazurite in quartz 0.353ct loose
Sale price¥9,800
Brazilian imperial topaz 0.359ct loose
Sale price¥15,800
Brazilian imperial topaz 2.093ct loose
Sale price¥29,800
Australian black opal 0.559ct loose
Sale price¥12,800
Australian black opal 0.616ct loose
Sale price¥12,800
Australian black opal 0.310ct loose
Sale price¥8,800
Alexandrite cat's eye 0.941ct loose
Sale price¥22,800
Brazilian dumortierite in quartz 1.517ct loose
Sale price¥12,800
Brazilian dumortierite in quartz 3.247ct loose
Sale price¥25,800
Brazilian dumortierite in quartz 1.796ct loose
Sale price¥15,800
Brazilian dumortierite in quartz 2.227ct loose
Sale price¥18,800
Brazilian dumortierite in quartz 2.443ct loose
Sale price¥24,800
Brazilian dumortierite in quartz 1.142ct loose
Sale price¥9,800
Paraiba tourmaline from Mozambique 0.195ct loose
Sale price¥15,800
Paraiba tourmaline from Mozambique 0.083ct loose
Sale price¥6,580
Paraiba tourmaline from Mozambique 0.089ct loose
Sale price¥7,980
Indian bag site 1.763ct loose
Sale price¥9,800
Indian bag site 2.218ct 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.