Colombian pyrite-mica emerald 0.844ct loose stone
Sale price¥35,800
Ethiopian honeycomb opal 3.566ct loose stone
Sale price¥46,800
[Koshu Precious Stones plusthree] Citrine 5.121ct Loose
Sale price¥39,800
![[Koshu Precious Stones Plusthree] Tibetan Andesine 7.873ct [Collaboration] Loose Stone (Color Change Andesine)](http://store.karatz.jp/cdn/shop/files/collage_4f5b4421-c714-46aa-aee2-16359b25e490.png?v=1714140601&width=2000)
Colombian pyrite-mica emerald 0.815ct loose stone
Sale price¥39,800
Colombian Trapiche emerald 0.424ct rough stone
Sale price¥39,800
Colombian Trapiche emerald 0.418ct rough stone
Sale price¥39,800
Brazilian Morganite 7.339ct loose stone
Sale price¥39,800
Australian black opal 1.107ct loose stone
Sale price¥35,800
Pigeon Blood Ruby 0.295ct Loose AIGS
Sale price¥49,800
Kenyan Tsavorite 0.379ct loose stone
Sale price¥35,800
Mexican Fire Opal 1.833ct Loose
Sale price¥49,800
Mexican Fire Opal 1.424ct Loose
Sale price¥49,800
Salt and pepper diamond 0.446ct loose
Sale price¥39,800
Myanmar Leuco Garnet 0.324ct loose stone
Sale price¥39,800
Synthetic Moissanite 7.999ct loose stone
Sale price¥39,800
Synthetic Moissanite 4.924ct loose stone
Sale price¥39,800
Australian black opal 1.744ct loose
Sale price¥39,800
Australian black opal 2.277ct loose stone (play of color on both sides)
Sale price¥34,800
Myanmar Taaffeite 1.110ct Loose GIT
Sale price¥45,800
Conch pearl (with flame pattern) 0.311ct loose
Sale price¥39,800
American red beryl 0.143ct loose
Sale price¥35,800
Kenyan chrome tourmaline 0.501ct loose stone
Sale price¥49,800
Brazilian Medusa Quartz (Paraiba Quartz) 2.484ct loose stone
Sale price¥39,800
Mexican bicolor Danburite 1.932ct loose stone by Nikkei
Sale price¥34,800
Brazilian Medusa Quartz (Paraiba Quartz) 2.524ct loose
Sale price¥35,800
Brazilian Paraiba tourmaline in quartz 1.602ct loose
Sale price¥49,800
Russian demantoid garnet (horsetail recognized) 0.141ct loose
Sale price¥39,800
American red beryl 0.138ct loose
Sale price¥34,800
American red beryl 0.207ct loose
Sale price¥49,800
American red beryl 0.184ct loose
Sale price¥46,800
Pink diamond 0.021 loose (FANCY INTENSE PURPLE PINK, SI2)
Sale price¥49,800
Colombian trapiche emerald (reverse trapiche) 0.457ct rough stone
Sale price¥36,800
Chrysoberyl cat's eye 2.843ct loose
Sale price¥39,800
Johachidolite from Myanmar 0.332ct loose
Sale price¥39,800
Bicolor star sapphire from Myanmar 0.920ct loose
Sale price¥39,800
Bangkacha sapphire (star sapphire) 7.40ct loose
Sale price¥39,800
Taaffeite 0.245ct loose Japanese and German
Sale price¥49,800
Paraiba tourmaline from Brazil 0.062ct loose (CuO:1.4%, MnO:1.5%)
Sale price¥39,800
Cornell pin from Tanzania 0.246ct loose
Sale price¥39,800
Paraiba tourmaline from Mozambique 0.240ct loose
Sale price¥35,800
Paraiba tourmaline from Mozambique 0.246ct loose
Sale price¥39,800
[Colorful] Pt950 Play Night Pendant Top (Necklace Top)
Sale price¥39,800
[Dandelion cut] Synthetic rutile 7.5mm/2.630ct loose
Sale price¥49,800
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.