Afghanistan Bicolor Tourmaline 0.672ct Loose Stone
Sale price¥9,800
Afghanistan Bicolor Tourmaline 0.471ct Loose Stone
Sale price¥9,800
Pezzottite from Madagascar 0.158ct loose
Sale price¥9,800
Tanzania Bicolor Zircon 0.801ct Loose Stone
Sale price¥9,800
Sri Lankan Star Sapphire 0.753ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 0.681ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 5.0mm/0.897ct Loose Stone
Sale price¥8,800
Sri Lankan Star Sapphire 0.796ct Loose
Sale price¥9,800
Kenyan Tsavorite 3.9mm/0.257ct Loose Stone
Sale price¥8,800
Tanzania Peristerite 0.805ct loose stone
Sale price¥6,980
Brazilian Dendritic Agate 2.163ct Loose Stone
Sale price¥8,800
Brazilian Dendritic Agate 1.155ct Loose Stone
Sale price¥6,980
Tanzanian Blue Spinel 0.165ct Loose Stone
Sale price¥8,800
Tanzania Blue Spinel 0.244ct Loose Stone
Sale price¥9,800
Tanzanian grey spinel 0.291ct loose stone
Sale price¥9,800
Tanzania Purple Spinel 0.236ct Loose Stone
Sale price¥9,800
Tanzania Purple Spinel 0.333ct Loose Stone
Sale price¥9,800
Tanzania Purple Spinel 0.356ct Loose Stone
Sale price¥8,800
Tanzania Purple Spinel 0.307ct Loose Stone
Sale price¥9,800
Tanzania Purple Spinel 0.346ct Loose Stone
Sale price¥8,800
Zambian emerald 0.181ct loose stone
Sale price¥8,800
Namibian Jeremejevite 0.018ct loose stone
Sale price¥5,980
Namibian Jeremejevite 0.027ct loose stone
Sale price¥6,980
Namibian Jeremejevite 0.046ct loose stone
Sale price¥8,800
Jeremejevite from Namibia 0.025ct loose
Sale price¥6,980
Jeremejevite from Namibia 0.037ct loose
Sale price¥6,980
Namibian Jeremejevite 0.024ct loose stone
Sale price¥7,980
Australian black opal 0.812ct loose stone
Sale price¥8,800
Pakistani Ludwigite in Peridot 0.285ct loose stone
Sale price¥5,980
Madagascar sphene 0.790ct loose stone
Sale price¥9,800
Madagascar sphene 0.430ct loose stone
Sale price¥8,800
Synthetic Alexandrite 0.472ct loose stone
Sale price¥8,800
Synthetic Alexandrite 0.445ct loose stone
Sale price¥8,800
Synthetic Alexandrite 0.411ct loose stone
Sale price¥8,800
Brazilian Mica in Quartz (Mica in Quartz) 0.990ct Loose
Sale price¥6,980
Brazilian Mica in Quartz (Mica in Quartz) 0.701ct Loose Stone
Sale price¥6,980
Brazilian Mica in Quartz (Mica in Quartz) 1.009ct Loose Stone
Sale price¥9,800
Brazilian Mica in Quartz (Mica in Quartz) 0.622ct Loose Stone
Sale price¥6,980
Madagascar sapphire 0.375ct loose stone
Sale price¥8,800
Madagascar Green Apatite 0.531ct Loose Stone
Sale price¥6,980
Indian Moss Agate 0.807ct Loose Stone
Sale price¥6,980
Indian Moss Agate 0.721ct Loose Stone
Sale price¥8,800
Indian Moss Agate 0.873ct Loose Stone
Sale price¥7,980
Synthetic Moissanite 5.0mm/0.370ct Loose Stone (Rose Cut)
Sale price¥7,980
Pink tourmaline 0.333ct loose stone
Sale price¥9,800
Golden Iolite (Cordierite) 0.221ct loose stone
Sale price¥7,980
Brazilian Lepidocrocite in Quartz 0.608ct Loose Stone
Sale price¥8,800
Brazilian copper rutilated quartz 0.862ct loose stone
Sale price¥7,980
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.