Colombian Euclase 2.360ct loose
Sale price¥79,800
Brazilian Dumortierite in Quartz 2.484ct loose stone
Sale price¥9,800
Madagascar Apatite Cat's Eye 2.80ct Loose Stone
Sale price¥29,800
Brazilian Paraiba tourmaline in quartz 2.864ct loose
Sale price¥9,800
Mexican Cantera Opal 3.176ct Loose
Sale price¥39,800
Mexican Cantera Opal 2.038ct Loose
Sale price¥29,800
Mexican Cantera Opal 3.167ct loose stone (faceted cut)
Sale price¥12,800
Tibetan Andesine 2.020ct Loose Stone
Sale price¥18,800
Synthetic black opal 2.996ct loose stone
Sale price¥29,800
White Topaz 2.563ct Loose (Needle-in Topaz)
Sale price¥5,980
Prehnite 3.016ct loose stone
Sale price¥6,980
Brazilian Medusa Quartz (Paraiba Quartz) 2.250ct Loose
Sale price¥19,800
Brazilian copper rutilated quartz 2.051ct loose stone
Sale price¥8,800
Myanmar Star Peridot 2.678ct Loose Stone
Sale price¥29,800
Brazilian Dumortierite in Quartz 3.490ct loose stone
Sale price¥18,800
Brazilian bicolor tourmaline 4.291ct loose stone
Sale price¥55,800
Illusion Pink Tourmaline (Iridescent Tourmaline) 4.172ct Loose
Sale price¥59,800
Zimbabwean Blue Apatite (UV type) 2.596ct loose stone
Sale price¥18,800
Zimbabwean Apatite (UV type) 2.368ct loose stone
Sale price¥18,800
Zimbabwean Apatite (UV type) 2.609ct loose stone
Sale price¥19,800
Afghanistan Bicolor Tourmaline 2.664ct Loose Stone (Seafoam Tourmaline)
Sale price¥128,000
Hollandite in Amethyst 3.048ct loose stone
Sale price¥9,800
Hollandite in Amethyst 4.019ct loose stone
Sale price¥15,800
Brazilian Medusa Quartz (Paraiba Quartz) 2.147ct loose stone
Sale price¥6,980
Brazilian Medusa Quartz (Paraiba Quartz) 2.117ct loose stone
Sale price¥6,980
YAG (Yttrium Aluminum Garnet) 2.861ct loose stone
Sale price¥25,800
Brazilian Limonite in Beryl 2.975ct loose stone
Sale price¥5,980
Tanzania Bicolor Zoisite 2.603ct Loose Stone
Sale price¥88,800
Tanzania Bicolor Zoisite 2.665ct Loose Stone
Sale price¥98,000
Brazilian Dendritic Agate 2.163ct Loose Stone
Sale price¥8,800
Mexican Cantera Opal 4.602ct Loose
Sale price¥29,800
Colombian Euclase 2.276ct loose stone
Sale price¥69,800
Brazilian Dendritic Agate 3.079ct Loose Stone
Sale price¥8,800
Brazilian Dumortierite in Quartz 2.116ct loose stone
Sale price¥18,800
Brazilian Lepidocrocite in Quartz 8.5mm/2.245ct Loose Stone
Sale price¥8,800
Brazilian Golden Beryl 9mm/2.438ct Loose Stone
Sale price¥12,800
Synthetic Moissanite 10mm/4.342ct Loose Stone
Sale price¥18,800
Tanzanian bicolor tanzanite 4.804ct rough stone
Sale price¥18,800
Brazilian Limonite in Topaz 3.986ct loose stone
Sale price¥9,800
Australian white opal 2.092ct loose stone
Sale price¥9,800
Brazilian Sky Blue Topaz (untreated) 2.013ct loose stone
Sale price¥12,800
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.
KARATZ's Initiatives and Social Contributions
We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.
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.