Brazilian Swiss Blue Topaz 6.4mm/1.225ct Loose Stone
Sale price¥9,800
Spanish Sphalerite 6.3mm/1.771ct loose stone
Sale price¥8,800
Unheated Sri Lankan purple sapphire 0.986ct loose stone
Sale price¥9,800
Australian Rainbow Lattice Sunstone 1.914ct Loose Stone
Sale price¥19,800
Afghanistan Bicolor Tourmaline 2.664ct Loose Stone (Seafoam Tourmaline)
Sale price¥128,000
Brazilian Medusa Quartz (Paraiba Quartz) 2.117ct loose stone
Sale price¥6,980
Brazilian Limonite in Beryl 2.975ct loose stone
Sale price¥5,980
Madagascar sphene 1.751ct loose stone
Sale price¥19,800
Tanzania Peristerite 0.805ct loose stone
Sale price¥6,980
Indian Moss Agate 0.721ct Loose Stone
Sale price¥8,800
Brazilian copper rutilated quartz 0.862ct loose stone
Sale price¥7,980
Mozambique Almandine Garnet 1.229ct Loose Stone
Sale price¥12,800
Mozambique Almandine Garnet 6.7mm/1.308ct Loose Stone
Sale price¥12,800
Colombian Euclase 2.276ct loose stone
Sale price¥69,800
Brazilian Tourmaline 0.671ct Loose Stone
Sale price¥9,800
Brazilian Tourmaline 0.615ct Loose Stone
Sale price¥9,800
Brazilian Paraiba Tourmaline in Quartz 1.674ct loose stone
Sale price¥19,800
Brazilian copper rutilated quartz 6.8mm/1.206ct loose stone
Sale price¥8,800
Brazilian Golden Beryl 6.8mm/1.061ct Loose Stone
Sale price¥7,980
Tanzania Peristerite 6.2mm/0.582ct loose stone
Sale price¥6,980
Brazilian Paraiba Tourmaline in Quartz 0.556ct Loose Stone
Sale price¥15,800
Brazilian Paraiba Tourmaline in Quartz 0.946ct Loose Stone
Sale price¥15,800
Brazilian Paraiba Tourmaline in Quartz 0.620ct Loose Stone
Sale price¥25,800
Brazilian Paraiba Tourmaline in Quartz 0.866ct Loose Stone
Sale price¥17,800
Brazilian Paraiba Tourmaline in Quartz 0.812ct Loose Stone
Sale price¥15,800
Brazilian Rock Crystal 0.936ct Loose Stone
Sale price¥6,980
Brazilian copper rutilated quartz 1.374ct loose stone
Sale price¥6,980
Brazilian copper rutilated quartz 1.657ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.376ct loose stone
Sale price¥9,800
Brazilian copper rutilated quartz 1.643ct loose stone
Sale price¥12,800
Brazilian copper rutilated quartz 1.354ct loose stone
Sale price¥9,800
Mexican Hyalite Opal 6.1mm/0.810ct Loose
Sale price¥15,800
Brazilian parti-color tourmaline 1.412ct loose stone
Sale price¥39,800
Indian Moonstone 0.881ct Loose
Sale price¥8,800
Mozambique Almandine Garnet 1.071ct Loose Stone
Sale price¥9,800
Brazilian Sky Blue Topaz (untreated) 1.470ct loose stone
Sale price¥12,800
Madagascar sphene 1.002ct loose stone
Sale price¥15,800
Madagascar sphene 0.991ct loose stone
Sale price¥12,800
Madagascar sphene 1.080ct loose stone
Sale price¥12,800
Brazilian Rubellite Cat's Eye 1.484ct Loose Stone
Sale price¥39,800
Brazilian Paraiba Tourmaline in Quartz 1.271ct Loose Stone
Sale price¥22,800
Brazilian Petalite 0.615ct loose stone
Sale price¥6,980
Mexican Opal (Faceted Cut) 1.052ct Loose
Sale price¥19,800
Mexican Fire Opal (Faceted) 6.1mm/0.450ct Loose
Sale price¥12,800
Brazilian bicolor tourmaline 1.953ct loose stone
Sale price¥18,800
Mexican Fire Opal 1.341ct Loose
Sale price¥39,800
Mexican Yellow Opal 0.673ct Loose
Sale price¥8,800
Kyanite 1.042ct loose (commonly known as Paraiba color kyanite)
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.