Emerald Cut
Colombian mint color emerald 0.136ct loose stone
Sale price¥6,980
Colombian mint color emerald 0.155ct loose stone
Sale price¥7,980
Unheated color change sapphire 1.070ct loose stone
Sale price¥158,000
Benitoite 0.272ct loose stone (emerald cut)
Sale price¥248,000
Colombian emerald 0.145ct loose stone with precious stone
Sale price¥39,800
Colombian emerald 0.167ct loose stone with jewel
Sale price¥49,800
Colombian emerald 0.111ct loose stone with precious stone
Sale price¥29,800
Namibian Jeremejevite 0.261ct loose stone
Sale price¥69,800
Green Spodumene 6.419ct loose stone
Sale price¥29,800
Diamond 0.042ct loose (VS class equivalent, emerald cut)
Sale price¥8,800
Colombian emerald 0.345ct loose stone (silky type)
Sale price¥15,800
Colombian pyrite-mica emerald 0.844ct loose stone
Sale price¥35,800
Afghanite from Afghanistan 0.617ct loose stone
Sale price¥69,800
Colombian pyrite-mica emerald 0.815ct loose stone
Sale price¥39,800
Madagascar Bicolor Sphene 1.551ct Loose Stone
Sale price¥19,800
Spanish bicolor sphalerite 1.686ct loose stone
Sale price¥29,800
American red beryl 0.143ct loose
Sale price¥35,800
Moss Agate 1.056ct loose
Sale price¥9,800
Dumortierite in quartz 0.387ct loose
Sale price¥8,800
Bicolor Tourmaline 0.649ct Loose Stone, Japan-Germany
Sale price¥9,800
Unheated Bicolor Paraiba Tourmaline 0.092ct Loose GIA
Sale price¥188,000
American red beryl 0.138ct loose
Sale price¥34,800
American red beryl 0.207ct loose
Sale price¥49,800
American Red Beryl 0.120ct Loose
Sale price¥29,800
American red beryl 0.184ct loose
Sale price¥46,800
Spanish bicolor sphalerite 1.652ct loose
Sale price¥25,800
[12560019] 0.380ct loose magnesioaxinite from Tanzania
Sale price¥39,800
[12560018] 0.188ct loose magnesioaxinite from Tanzania
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.
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.