Brazilian Paraiba tourmaline in quartz 1.602ct loose
Sale price¥49,800
American red beryl 0.138ct loose
Sale price¥34,800
American red beryl 0.207ct loose
Sale price¥49,800
American red beryl 0.116ct loose
Sale price¥29,800
American red beryl 0.184ct loose
Sale price¥46,800
Brazilian Paraiba tourmaline in quartz 0.819ct loose
Sale price¥15,800
Pt900 Benitoite (Ice Blue) 0.17ct Pink Diamond Ring
Sale price¥148,000
Montana Sapphire 0.458ct Loose (Bi-Color Sapphire)
Sale price¥14,800
Montana Sapphire 0.515ct loose (bicolor sapphire)
Sale price¥19,800
Montana Sapphire 0.397ct loose (bicolor sapphire)
Sale price¥15,800
Montana Sapphire 0.449ct loose (bicolor sapphire)
Sale price¥17,800
Mexican Fire Opal 0.277ct Loose (Faceted Cut)
Sale price¥5,980
Mexican Fire Opal 0.472ct Loose (Star Cut, Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.564ct Loose (Faceted Cut)
Sale price¥15,800
Mexican Fire Opal 0.290ct Loose (Faceted Cut)
Sale price¥8,800
Chrysoberyl cat's eye 2.843ct loose
Sale price¥39,800
Bicolor Tourmaline 9.0mm/2.507ct Loose
Sale price¥29,800
Mexican Hyalite Opal 0.774ct Loose (Faceted Cut)
Sale price¥8,800
Mexican Hyalite Opal 7.5mm/1.221ct Loose (Faceted Cut)
Sale price¥14,800
Sky blue topaz 5.595ct loose
Sale price¥18,800
Pt900 benitoite 0.135ct/diamond ring
Sale price¥128,000
Paraiba tourmaline from Brazil 0.129ct loose (Cu:0.6%,MnO:0.9%)
Sale price¥29,800
Bicolor tourmaline 3.242ct rough stone from Afghanistan
Sale price¥9,800
Madagascar Pezzottaite 3.7mm/0.184ct loose stone
Sale price¥6,980
Madagascar Pezzottaite 3.5mm/0.153ct loose stone
Sale price¥5,980
Madagascar Pezzottaite 4mm/0.242ct loose stone
Sale price¥8,800
Paraiba tourmaline from Brazil 0.039ct loose (CuO:1.5%, MnO:2.0%)
Sale price¥24,800
Paraiba tourmaline from Brazil 0.032ct loose (CuO:2.2%, MnO:1.8%)
Sale price¥25,800
Paraiba tourmaline from Brazil 0.062ct loose (CuO:1.4%, MnO:1.5%)
Sale price¥39,800
Pezzotite from Madagascar 0.128ct loose
Sale price¥6,980
Pezzottite from Madagascar 0.142ct loose
Sale price¥9,800
Pezzottite from Madagascar 0.147ct loose
Sale price¥9,800
Pezzottite from Madagascar 0.115ct loose
Sale price¥5,980
Pezzotite from Madagascar 0.129ct loose
Sale price¥6,980
Pezzottite from Madagascar 0.087ct loose
Sale price¥6,980
Afghanistan Hackmanite 0.111ct loose stone
Sale price¥6,980
Pezzotite cat's eye from Madagascar 0.310ct loose
Sale price¥24,800
Pt900 benitoite 0.152ct/diamond 0.58ct ring
Sale price¥188,000
Phosphophyllite from Bolivia 2.589ct loose Japanese-German edition
Sale price¥1,280,000
Benitoite 0.091ct loose (emerald cut)
Sale price¥29,800
Paraiba tourmaline from Mozambique 0.414ct loose
Sale price¥55,800
Paraiba tourmaline from Mozambique 0.130ct loose
Sale price¥22,800
Paraiba tourmaline from Mozambique 0.246ct loose
Sale price¥39,800
Myanmar orange jade (jade) 0.584ct loose
Sale price¥6,980
Myanmar orange jade (jade) 0.531ct loose
Sale price¥6,980
Australian black opal 0.310ct loose
Sale price¥8,800
Paraiba tourmaline from Mozambique 0.083ct loose
Sale price¥6,580
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.