Madagascar Golden Iolite (Cordierite) 7.6mm/1.477ct Loose Stone
Sale price¥29,800
Pakistani Axinite (Green Tint) 1.389ct Loose Stone
Sale price¥39,800
Pakistani Axinite (Blue Tint) 0.300ct Loose
Sale price¥7,980
Pakistani Axinite 0.583ct loose stone
Sale price¥8,800
[Takeshi Yamamoto] Bicolor Smoky Quartz 10.674ct Loose Stone
Sale price¥39,800
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 0.371ct loose stone
Sale price¥6,980
Spanish Andalusite 0.394ct loose stone
Sale price¥8,800
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
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 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
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 1.842ct Loose
Sale price¥39,800
Mexican Cantera Opal 9.909ct Loose
Sale price¥39,800
Mexican Cantera Opal 5.238ct Loose
Sale price¥15,800
Mexican Cantera Opal 7.275ct Loose
Sale price¥35,800
Mexican Cantera Opal 5.261ct Loose
Sale price¥49,800
Brazilian Mica in Quartz (Mica in Quartz) 0.622ct Loose Stone
Sale price¥6,980
Brazilian Tourmaline 0.615ct Loose Stone
Sale price¥9,800
Brazilian Lepidocrocite in Quartz 8.5mm/2.245ct Loose Stone
Sale price¥8,800
Madagascar Andalusite 0.542ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 6.8mm/1.206ct loose stone
Sale price¥8,800
Oregon Sunstone from the United States 8.8mm/1.603ct loose stone
Sale price¥14,800

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.



















































