Benitoite 2.0mm/0.050ct loose stone (cabochon cut)
Sale price¥6,980
Namibian Jeremejevite 0.261ct loose stone
Sale price¥69,800
Brazilian Bicolor Euclase 2.4mm/0.051ct Loose Stone
Sale price¥22,800
Madagascar Bicolor Sphene 1.551ct Loose Stone
Sale price¥19,800
Australian black opal 0.232ct loose stone
Sale price¥8,800
Bicolor Zoisite 1.100ct Loose Stone (Bicolor Tanzanite)
Sale price¥19,800
Bicolor Fluorite 0.909ct Loose
Sale price¥6,980
Bicolor Fluorite 0.582ct Loose
Sale price¥5,980
Bicolor fluorite 1.332ct loose stone
Sale price¥6,980
Bicolor Fluorite 0.528ct Loose
Sale price¥6,980
Green Zoisite 0.703ct Loose Stone
Sale price¥22,800
Brazilian Paraiba tourmaline in quartz 4.772ct loose
Sale price¥59,800
Moss agate 1.285ct loose stone
Sale price¥6,980
Pink tourmaline 0.416ct loose stone
Sale price¥8,800
Bicolor tourmaline 0.423ct loose
Sale price¥12,800
Bicolor tourmaline 0.552ct loose
Sale price¥12,800
Bicolor tourmaline 0.548ct loose
Sale price¥6,980
Spanish bicolor sphalerite 1.686ct loose stone
Sale price¥29,800
Benitoite 0.066ct loose
Sale price¥14,800
Bicolor Benitoite 0.164ct loose stone
Sale price¥19,800
Montana Sapphire 0.212ct Loose (Blue Sapphire)
Sale price¥9,800
Bicolor tourmaline 1.198ct loose
Sale price¥14,800
Bicolor tourmaline 1.329ct loose
Sale price¥9,800
Bicolor tourmaline 0.429ct loose
Sale price¥6,980
Bicolor Tourmaline 0.378ct Loose Stone (Hexagonal Cut)
Sale price¥8,800
Bicolor Tourmaline 0.792ct Loose (Heart Shape)
Sale price¥9,800
Bicolor Tourmaline 0.649ct Loose Stone, Japan-Germany
Sale price¥9,800
Bicolor Paraiba tourmaline 2.477ct loose DGL version
Sale price¥228,000
Mexican bicolor Danburite 1.932ct loose stone by Nikkei
Sale price¥34,800
Montana Sapphire 0.262ct Loose (Bi-Color Sapphire)
Sale price¥9,800
Montana Sapphire 0.312ct loose
Sale price¥9,800
Montana Sapphire 0.285ct Loose (Yellow Sapphire)
Sale price¥9,800
Montana Sapphire 0.254ct loose
Sale price¥9,800
Spanish bicolor sphalerite 1.652ct loose
Sale price¥25,800
Watermelon tourmaline 3.403ct loose
Sale price¥5,980
Watermelon tourmaline 3.250ct loose
Sale price¥5,980
Montana Sapphire 0.291ct loose (green sapphire)
Sale price¥11,800
Montana Sapphire 0.242ct Loose (Yellow Sapphire)
Sale price¥8,800
Bicolor Sphalerite 9.8mm/4.517ct loose
Sale price¥69,800
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.