Paraiba tourmaline from Brazil 0.353ct loose (CuO:0.8%, Mn:3.4%)
Sale price¥39,800
Red beryl 0.187ct loose
Sale price¥29,800
Opal 6.560ct loose
Sale price¥39,800
Bicolor tourmaline 0.880ct loose
Sale price¥8,800
Red beryl 0.166ct loose
Sale price¥49,800
Pakistani Peridot 0.361ct Loose Stone
Sale price¥4,980
Pakistani Peridot 0.408ct Loose Stone
Sale price¥6,980
American Peridot 0.458ct Loose Stone
Sale price¥6,980
Pakistani Peridot 0.410ct Loose Stone
Sale price¥6,980
Pakistani Peridot 0.376ct Loose Stone
Sale price¥6,980
American Peridot 0.546ct Loose Stone
Sale price¥5,980
American Peridot 0.339ct Loose Stone
Sale price¥6,980
Mexican fire opal (faceted cut) 0.167ct loose stone
Sale price¥8,800
Mexican fire opal (faceted cut) 0.515ct loose stone
Sale price¥12,800
Mexican fire opal (faceted cut) 0.198ct loose stone
Sale price¥8,800
Mexican fire opal (faceted cut) 0.417ct loose stone
Sale price¥8,800
Mexican Fire Opal (Faceted) 5.5mm/0.447ct Loose Stone
Sale price¥12,800
Afghanistan Hackmanite 0.121ct loose stone
Sale price¥8,800
1.527ct Australian Prehnite Loose Stone
Sale price¥12,800
Australian Prehnite 5.5mm/0.538ct Loose Stone
Sale price¥6,980
Benitoite 0.091ct loose
Sale price¥22,800
Red beryl 0.096ct loose
Sale price¥22,800
Australian boulder opal 13.190ct loose
Sale price¥18,800
Pink fluorite 6.530ct loose
Sale price¥5,980
Prehnite 0.818ct loose stone
Sale price¥3,980
Paraiba tourmaline from Brazil 0.055ct loose (CuO:1.5%,MnO:3.2%)
Sale price¥39,800
Paraiba tourmaline from Brazil 0.066ct loose (CuO:1.7%,Mn0:2.1%)
Sale price¥29,800
Paraiba tourmaline from Brazil 0.252ct loose (CuO:0.9%, MnO:2.0%)
Sale price¥29,800
Bicolor sapphire 0.853ct loose stone
Sale price¥9,800
Paraiba tourmaline from Brazil 0.265ct loose (CuO:0.7%, MnO:3.0%)
Sale price¥29,800
Brazilian Paraiba tourmaline 0.229ct loose (CuO:0.8%, MnO:2.2%)
Sale price¥39,800
Black opal 2.293ct loose
Sale price¥98,000
Brazilian beryl 105.928ct raw stone
Sale price¥18,800
Afghanistan Hackmanite 0.761ct loose stone (bicolor)
Sale price¥39,800
Mexican Hyalite Opal 1.587ct Loose
Sale price¥9,800
American Peridot 5.1mm/0.566ct Loose Stone
Sale price¥9,800
American Peridot 4.9mm/0.488ct Loose Stone
Sale price¥8,800
American Peridot 4.5mm/0.370ct Loose Stone
Sale price¥8,800
Brazilian London Blue Topaz 0.429ct Loose
Sale price¥6,980
Brazilian London Blue Topaz 0.321ct Loose Stone
Sale price¥5,980
1.139ct Australian Prehnite loose stone
Sale price¥8,800
Nigerian green beryl 0.437ct loose stone
Sale price¥9,800
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.