Pakistani Axinite 0.583ct loose stone
Sale price¥8,800
[Takeshi Yamamoto] Bicolor Smoky Quartz 10.674ct Loose Stone
Sale price¥39,800
Spanish Andalusite 0.74ct loose stone
Sale price¥6,980
Mexican Cantera Opal 6.112ct Loose
Sale price¥59,800
Brazilian Rutile Cat's Eye 3.856ct Loose Stone (Red Rutile Quartz)
Sale price¥18,800
Brazilian Rutile Cat's Eye 3.306ct Loose Stone (Red Rutile Quartz)
Sale price¥16,800
Mexican Cantera Opal 14.458ct loose stone (faceted cut)
Sale price¥14,800
Round Diamond 0.389ct Loose (Cabochon Cut)
Sale price¥39,800
Cassiterite 1.676ct loose stone with certificate
Sale price¥45,800
Cassiterite 1.477ct loose stone (bicolor) with certificate
Sale price¥39,800
Montana Agate 6.534ct Loose Stone
Sale price¥6,980
Sri Lankan Brown Zircon 1.121ct Loose Stone
Sale price¥12,800
Spanish Andalusite 0.478ct loose stone
Sale price¥6,980
Spanish Andalusite 0.355ct loose stone
Sale price¥6,980
Spanish Andalusite 0.371ct loose stone
Sale price¥6,980
Spanish Andalusite 0.674ct loose stone
Sale price¥8,800
Spanish Andalusite 0.394ct loose stone
Sale price¥8,800
Sunstone 0.418ct loose stone
Sale price¥5,980
Mexican Cantera Opal 3.176ct Loose
Sale price¥39,800
Mexican Cantera Opal 2.038ct Loose
Sale price¥29,800
Mexican Cantera Opal 3.167ct loose stone (faceted cut)
Sale price¥12,800
Sri Lankan Zircon 5.8mm/1.255ct Loose Stone
Sale price¥9,800
[Cat cut (leopard print)] Amber 8.0mm/0.664ct loose stone
Sale price¥9,800
[Cat cut (cheetah pattern)] Amber 8.1mm/0.916ct loose stone
Sale price¥9,800
Brazilian copper rutilated quartz 1.445ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 2.051ct loose stone
Sale price¥8,800
[Sakura Shape] Mexican Opal 8.2mm/1.465ct {Collaboration} Loose Patch
Sale price¥45,800
Australian Rainbow Lattice Sunstone 0.811ct Loose Stone
Sale price¥15,800
Spanish Sphalerite 5.1mm/0.928ct loose stone
Sale price¥5,980
Spanish Sphalerite 5.9mm/1.132ct loose stone
Sale price¥6,980
Spanish Sphalerite 5.9mm/1.498ct loose stone
Sale price¥8,800
Spanish Sphalerite 6.3mm/1.771ct loose stone
Sale price¥8,800
Madagascar sapphire 0.206ct loose stone
Sale price¥12,800
Brown diamond 0.554ct loose (cabochon cut, SI class equivalent)
Sale price¥69,800
Sri Lankan Andalusite 0.750ct loose stone
Sale price¥12,800
Oregon Sunstone from the United States 1.455ct loose stone
Sale price¥15,800
Oregon Sunstone from the United States 0.554ct loose stone
Sale price¥7,980
Brazilian Rainbow Scapolite 0.938ct Loose Stone
Sale price¥8,800
Brazilian Limonite in Beryl 2.975ct loose stone
Sale price¥5,980
Pakistani Axinite (Green Tint) 0.880ct Loose Stone
Sale price¥19,800
Pakistani Axinite (Green Tint) 1.003ct Loose Stone
Sale price¥35,800
Tanzania Bicolor Zircon 0.801ct Loose Stone
Sale price¥9,800
Mexican Cantera Opal 5.126ct Loose
Sale price¥25,800
Mexican Cantera Opal 4.602ct Loose
Sale price¥29,800
Mexican Cantera Opal 6.385ct Loose
Sale price¥18,800
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.