Tibetan bicolor andesine 2.657ct loose stone
Sale price¥19,800
Ethiopian honeycomb opal 3.566ct loose stone
Sale price¥46,800
Cristobalite in Quartz 2.417ct Loose Stone
Sale price¥8,800
Ethiopian Opal 2.131ct Loose
Sale price¥9,800
GGG (Gadolinium Gallium Garnet) 3.046ct Loose Stone
Sale price¥18,800
Loose 2.120ct Oregon Sunstone from the USA
Sale price¥18,800
Zimbabwean Bi-Color Euclase Rough 2.976 ct
Sale price¥59,800
Mexican fire agate 3.613ct loose
Sale price¥14,800
Mexican Cantera Opal 3.051ct Loose Stone
Sale price¥18,800
【Sakura Shape】Synthetic Sapphire 8.8mm/3.631ct Loose Stone
Sale price¥39,800
Star Sapphire from Sri Lanka, 4.758 ct Loose Stone (Color Shift)
Sale price¥158,000
3.020 ct Pakistani emerald in quartz loose gemstone
Sale price¥18,800
Brazilian Morganite 10mm/4.535ct Loose Stone
Sale price¥148,000
Brazilian Morganite 3.929ct loose stone
Sale price¥19,800
3.073ct Mozambique Almandine Garnet Loose Stone
Sale price¥22,800
Bulgarian Sphalerite 7.6mm/2.233ct Loose
Sale price¥69,800
Mexican Fire Opal 2.235ct Loose
Sale price¥19,800
Mexican Fire Opal 3.425ct Loose
Sale price¥22,800
Synthetic Moissanite 4.924ct loose stone
Sale price¥29,800
2.946 ct loose barite from Guizhou, China, with a gemological report
Sale price¥69,800
Iridescent Tourmaline 3.107ct Loose Stone
Sale price¥37,800
Australian black opal 2.277ct loose stone (play of color on both sides)
Sale price¥34,800
Brazilian dendritic quartz 3.608ct loose stone
Sale price¥8,800
Brazilian Medusa Quartz (Paraiba Quartz) 2.484ct loose stone
Sale price¥29,800
South African rhodochrosite 2.477ct loose Japanese-German edition
Sale price¥398,000
Bicolor Paraiba tourmaline 2.477ct loose DGL version
Sale price¥298,000
Loose Brazilian rose amethyst, 2.626 ct
Sale price¥9,800
Brazilian Amethyst 2.975ct Loose Stone
Sale price¥9,800
Brazilian Dendritic Quartz 4.182ct Loose Stone
Sale price¥12,800
Brazilian Medusa Quartz (Paraiba Quartz) 2.524ct loose
Sale price¥29,800
Australian Rainbow Lattice Sunstone 3.504ct Loose Stone
Sale price¥29,800
3.327ct Loose Rainbow Lattice Sunstone from Australia
Sale price¥25,800
Australian Rainbow Lattice Sunstone 2.188ct Loose
Sale price¥22,800
Congo hemimorphite 4.009ct loose stone
Sale price¥22,800
Congo hemimorphite 3.510ct loose stone
Sale price¥18,800
Congo hemimorphite 4.272ct loose stone
Sale price¥25,800
Congo hemimorphite 3.399ct loose stone
Sale price¥19,800
Congo hemimorphite 4.210ct loose stone
Sale price¥25,800
Mexican egg-in opal 3.646ct loose stone
Sale price¥25,800
Mexican Egg-in-Opal 3.195ct Loose Stone
Sale price¥19,800
Mexican egg-in opal 4.879ct loose stone
Sale price¥29,800
Mexican egg-in opal 2.125ct loose stone
Sale price¥15,800
Mexican fire opal 2.499ct loose stone
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.