Japanese style twin crystal 5.771ct raw stone
Sale price¥19,800
Japanese style twin crystal 4.727ct raw stone
Sale price¥15,800
Japanese style twin crystal 4.715ct raw stone
Sale price¥15,800
Japanese style twin crystal 3.472ct raw stone
Sale price¥9,800
Colombian emerald 0.191ct loose
Sale price¥22,800
Mozambique Rubellite 2.141ct Loose Stone
Sale price¥69,800
Mexican Fire Opal 0.576ct Loose (Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 1.222ct Loose (Faceted Cut)
Sale price¥12,800
Tanzanian Kornerupine 0.233ct loose stone
Sale price¥14,800
Tanzanian Kornerupine 0.202ct loose stone
Sale price¥18,800
Mozambique rubellite 2.752ct loose stone
Sale price¥69,800
Zimbabwean Apatite (UV type) 0.209ct loose stone
Sale price¥4,980
Zimbabwean Apatite (UV type) 0.585ct loose stone
Sale price¥12,800
1.953ct Bicolor Sphalerite from Spain
Sale price¥25,800
Spanish bicolor sphalerite 3.504ct loose stone
Sale price¥38,800
Spanish Sphalerite 2.726ct loose stone
Sale price¥39,800
Benitoite 13 stone half eternity ring set (1.8mm, gradient set)
Sale price¥158,000
Diamond 0.128ct loose stone (cabochon cut, maroon cut)
Sale price¥39,800
Pt950 Brazilian Paraiba Tourmaline Ring (Fluid Setting, Oval Cut)
Sale price¥64,800
Czech Aragonite 8.0mm/2.082ct Loose Stone
Sale price¥69,800
Brazilian Rubellite 3.845ct loose stone
Sale price¥198,000
Australian black opal 9.709ct loose stone
Sale price¥158,000
Brazilian rhodonite 3.224ct loose stone
Sale price¥98,000
Brazilian parti-color tourmaline 2.702ct loose stone
Sale price¥69,800
Spanish Sphalerite 8mm/2.796ct loose stone
Sale price¥69,800
Spanish Andalusite 0.776ct loose stone
Sale price¥11,800
Indian Rainbow Quartz (Iridescent Quartz) 0.940ct Loose Stone
Sale price¥158,000
Brazilian Paraiba Tourmaline 0.211ct loose stone
Sale price¥49,800
Tanzanian Kornerupine Cat's Eye 0.986ct Loose Stone
Sale price¥6,980
Brazilian Pink Tourmaline 0.418ct Loose Stone (Rouge Cut)
Sale price¥9,800
Nigerian Green Beryl 1.349ct Loose Stone
Sale price¥98,000
Bicolor Benitoite 0.601ct Loose Japanese-German Edition
Sale price¥458,000
Brazilian dumortierite in quartz 1.894ct loose
Sale price¥19,800
Brazilian Rubellite 1.027ct Loose Stone
Sale price¥69,800
American Herkimer Diamond 5.6mm/0.516ct Loose
Sale price¥9,800
Brazilian Goshenite 0.771ct loose stone
Sale price¥6,980
Brazilian Medusa Quartz (Paraiba Quartz) 1.945ct Loose Stone
Sale price¥24,800
Madagascar Yellow Sapphire 0.283ct Loose
Sale price¥6,980
Oregon Sunstone from the United States 0.941ct loose stone
Sale price¥29,800
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.