Fire Opal 2 Stone Pair 4mm/0.336ct Loose
Sale price¥3,980
Paraiba tourmaline from Mozambique, 3.5mm/0.172ct loose stone
Sale price¥15,800
Paraiba tourmaline from Mozambique, 3.2mm/0.119ct loose stone
Sale price¥9,800
Bicolor sapphire 0.856ct loose
Sale price¥18,800
Brazilian Paraiba tourmaline 0.455ct raw stone (CuO: 0.9%, MnO: 2.2%)
Sale price¥15,800
Brazilian Paraiba tourmaline 0.448ct raw stone (CuO:2.7%, MnO:2.0%)
Sale price¥19,800
American Peridot 0.458ct Loose Stone
Sale price¥6,980
Mexican fire opal (faceted cut) 0.167ct loose stone
Sale price¥8,800
Mexican fire opal (faceted cut) 0.198ct 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
Bicolor sapphire 0.853ct loose stone
Sale price¥9,800
Black opal 2.293ct loose
Sale price¥98,000
Brazilian beryl 105.928ct raw stone
Sale price¥18,800
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
1.139ct Australian Prehnite loose stone
Sale price¥8,800
Nigerian green beryl 0.437ct loose stone
Sale price¥9,800
Bicolor tourmaline 1.440ct loose
Sale price¥9,800
American Benitoite 0.100ct Loose Stone (Emerald Cut)
Sale price¥32,800
Mexican Fire Opal 5mm/0.342ct Loose (Contralus Opal)
Sale price¥9,800
Paraiba tourmaline from Mozambique 1.481ct loose (CuO:0.3%, MnO:4.3%)
Sale price¥158,000
American Benitoite 0.158ct loose stone
Sale price¥59,800
American Benitoite 0.296ct loose stone
Sale price¥148,000
Mexican Fire Opal (Faceted Cut) 0.844ct Loose
Sale price¥15,800
Bicolor Fluorite 24.682ct Loose
Sale price¥29,800
Mexican Hyalite Opal 0.942ct Loose
Sale price¥9,800
Mexican Hyalite Opal 6.0mm/0.708ct Loose
Sale price¥25,800
American Red Beryl 0.217ct Loose
Sale price¥49,800
Brazilian bicolor tourmaline 13.927ct loose stone
Sale price¥198,000
Pezzotite from Madagascar 0.257ct loose
Sale price¥15,800
Brazilian bicolor tourmaline 1.032ct loose stone
Sale price¥25,800
Brazilian bicolor tourmaline 1.875ct loose stone
Sale price¥39,800
Brazilian bicolor tourmaline 1.255ct loose stone
Sale price¥25,800
Mexican Fire Opal 1.348ct Loose
Sale price¥15,800
Bicolor sapphire 0.301ct loose
Sale price¥18,800
Madagascar Bicolor Sapphire 0.232ct Loose
Sale price¥15,800
0.827ct Loose Brazilian Swiss Blue Topaz
Sale price¥8,800
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.