Mexican Hyalite Opal 1.687ct Loose
Sale price¥9,800
Brazilian Dumortierite in Quartz 1.447ct loose stone (faceted cut)
Sale price¥18,800
Brazilian Dumortierite in Quartz 1.284ct loose stone (faceted cut)
Sale price¥9,800
Brazilian Dumortierite in Quartz 1.276ct loose stone
Sale price¥6,980
Tanzanite 1.055ct loose stone
Sale price¥29,800
Tanzanite 1.458ct loose stone
Sale price¥39,800
Mongolian color change andesine 1.486ct loose stone
Sale price¥18,800
Mozambique pink tourmaline 1.006ct loose stone
Sale price¥8,800
Colombian Euclase 1.314ct loose stone
Sale price¥39,800
Mozambique Rhodolite Garnet 1.146ct Loose Stone
Sale price¥12,800
Russian Diopside 1.506ct Loose Stone
Sale price¥29,800
Dominican Republic Conch Pearl 1.990ct Loose (with flame pattern)
Sale price¥29,800
Ethiopian Opal 1.014ct Loose
Sale price¥3,980
Mexican Fire Opal 1.330ct Loose (Contralus Opal)
Sale price¥19,800
Mexican Fire Opal 1.610ct Loose (Contralus Opal)
Sale price¥19,800
Brazilian Pink Euclase 1.259ct Loose Stone Japan-Germany
Sale price¥398,000
Australian Prehnite 6.0mm/1.004ct loose stone (rose cut)
Sale price¥8,800
Brazilian Paraiba Tourmaline in Quartz 1.054ct Loose Stone
Sale price¥18,800
Brazilian Paraiba Tourmaline in Quartz 7.9mm/1.133ct Loose Stone
Sale price¥22,800
Brazilian Paraiba Tourmaline in Quartz 1.530ct Loose Stone
Sale price¥29,800
Cambodian colorless zircon 1.407ct loose stone
Sale price¥12,800
Sri Lankan Rhodolite Garnet 1.858ct Loose Stone
Sale price¥15,800
[On sale from 10pm on 5/11] Spanish Sphalerite 6.2mm/1.320ct loose stone
Sale price¥19,800
Cassiterite 1.676ct loose stone with certificate
Sale price¥45,800
Cassiterite 1.477ct loose stone (bicolor) with certificate
Sale price¥39,800
Tanzanian Almandine Garnet 1.190ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 1.943ct Loose Stone
Sale price¥9,800
Brazilian Petalite 1.659ct loose stone
Sale price¥12,800
Mexican Hyalite Opal 6.9mm/1.134ct Loose
Sale price¥25,800
Sri Lankan Brown Zircon 1.121ct Loose Stone
Sale price¥12,800
Madagascar Blue Apatite Cat's Eye 1.734ct Loose Stone
Sale price¥15,800
[Sakura Shape] Brazilian Green Tourmaline 6.7mm/1.057ct Loose Patch
Sale price¥39,800
1.710ct loose orange kyanite from Tanzania
Sale price¥9,800
Orange Kyanite from Tanzania 1.070ct loose stone
Sale price¥7,980
Sri Lankan Zircon 5.8mm/1.255ct Loose Stone
Sale price¥9,800
Purple Apatite 1.549ct Loose Stone with Certificate
Sale price¥18,800
Brazilian Golden Beryl 7.3mm/1.391ct Loose Stone
Sale price¥8,800
Brazilian bicolor topaz 1.932ct loose stone
Sale price¥18,800
Synthetic black opal 1.209ct loose stone
Sale price¥18,800
Brazilian Medusa Quartz (Paraiba Quartz) 1.672ct Loose Stone
Sale price¥15,800
Brazilian copper rutilated quartz 1.445ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 6.9mm/1.365ct Loose Stone
Sale price¥24,800
[Sakura Shape] Mexican Opal 8.2mm/1.465ct {Collaboration} Loose Patch
Sale price¥45,800
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.