[Cat cut] Dendritic agate 6.757ct loose stone
Sale price¥12,800
Synthetic Moissanite 7.999ct loose stone
Sale price¥39,800
Synthetic Moissanite 8.417ct Loose Stone
Sale price¥49,800
Synthetic Moissanite 8.931ct loose stone
Sale price¥55,800
Brazilian Limonite in Topaz 6.579ct loose stone (with rainbow)
Sale price¥19,800
[Camellia Cut] Ametrine 14mm/8.308ct Loose Stone
Sale price¥89,800
Oregon Sunstone 8.256ct rough stone
Sale price¥15,800
Rutilated Quartz (Rutile Quartz) 7.440ct Loose (Sun Rutilated Quartz)
Sale price¥25,800
Rutilated Quartz (Rutilated Quartz) 9.721ct Loose (Sun Rutilated Quartz)
Sale price¥29,800
Sky blue topaz 5.595ct loose
Sale price¥18,800
Green tourmaline 6.069ct loose (marron cut) Japanese-German book
Sale price¥69,800
Labradorite (Spectrolite) from Finland 6.335ct loose
Sale price¥5,980
Labradorite (Spectrolite) from Finland 6.313ct loose
Sale price¥5,980
Labradorite (Spectrolite) from Finland 5.261ct loose
Sale price¥6,980
Rubellite 7.068ct loose Japanese-German book
Sale price¥498,000
[Dandelion cut] Ametrine 14mm/9.238ct loose
Sale price¥59,800
Sri Lankan Ratotta Topaz 9.926ct Loose (White Topaz)
Sale price¥19,800
Sri Lankan Ratotta Topaz 9.589ct Loose (White Topaz)
Sale price¥15,800
Sri Lankan Ratotta Topaz 7.709ct Loose (White Topaz)
Sale price¥15,800
Mexican cantera opal 8.100ct loose
Sale price¥19,800
[Moonsteiner] Pyrite in Quartz 8.099ct
Sale price¥59,800
Brazilian ametrine 8.849ct loose
Sale price¥12,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 6.004ct loose
Sale price¥15,800
Brazilian Medusa Quartz (Paraiba Quartz) 6.954ct loose
Sale price¥17,800
Amethyst 8.044ct loose
Sale price¥6,980
Brazilian Medusa Quartz (Paraiba Quartz) 5.809ct loose
Sale price¥8,800
Brazilian dumortierite in quartz 9.490ct loose
Sale price¥25,800
Brazilian bicolor tourmaline 7.489ct loose
Sale price¥49,800
Spanish bicolor sphalerite 6.230ct loose
Sale price¥79,800
Mexican cantera opal 9.422ct loose
Sale price¥29,800
Mexican cantera opal 7.563ct loose
Sale price¥19,800
Australian boulder opal 6.980ct loose
Sale price¥7,980
Color change sphene from Pakistan 7.137ct loose
Sale price¥198,000
[Camellia cut] Opal 14mm/5.283ct loose with patch
Sale price¥98,000
Scapolite Cat's Eye 9.733ct Loose
Sale price¥8,800
Chrysoberyl cat's eye from Sri Lanka 5.176ct loose
Sale price¥198,000
Oregon Sunstone 5.189ct Loose (Vortex Cut)
Sale price¥29,800
Serpentine 9.367ct Ruth Japanese-German book
Sale price¥12,800
Dendritic quartz 7.997ct loose
Sale price¥9,800
Dendritic Agate 7.179ct loose
Sale price¥9,800
Dendritic Agate 6.449ct loose
Sale price¥9,800
Dendritic Agate 6.456ct loose
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.