Silky sapphire from Sri Lanka 1.086ct loose
Sale price¥15,800
Silky sapphire from Sri Lanka 1.036ct loose
Sale price¥12,800
Silky sapphire from Sri Lanka 1.319ct loose
Sale price¥15,800
Brazilian dumortierite in quartz 1.894ct loose
Sale price¥19,800
White topaz 1.140ct loose
Sale price¥5,980
Paraiba tourmaline from Mozambique 1.057ct loose
Sale price¥24,800
Brazilian dumortierite in quartz 1.186ct loose (faceted cut)
Sale price¥12,800
Brazilian dumortierite in quartz 1.678ct loose (faceted cut)
Sale price¥18,800
Brazilian dumortierite in quartz 1.971ct loose (faceted cut)
Sale price¥19,800
Brazilian dumortierite in quartz 1.390ct loose (faceted cut)
Sale price¥15,800
Brazilian dumortierite in quartz 1.573ct loose (faceted cut)
Sale price¥18,800
Brazilian dumortierite in quartz 1.906ct loose (faceted cut)
Sale price¥25,800
Brazilian dumortierite in quartz 1.060ct loose (faceted cut)
Sale price¥15,800
Tibetan bicolor andesine 1.818ct loose
Sale price¥21,800
Sri Lankan star sapphire (4 rows) 1.473ct loose
Sale price¥79,800
Andesine from Mongolia 1.354ct loose
Sale price¥11,800
Synthetic moissanite (gray blue) 1.701ct loose
Sale price¥29,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.825ct loose
Sale price¥24,800
Mica in quartz 1.967ct loose
Sale price¥3,980
Aventurine aquamarine cat's eye 1.814ct loose
Sale price¥6,980
Aventurine Aquamarine Cat's Eye 1.210ct Loose
Sale price¥4,980
Aventurine aquamarine cat's eye 1.421ct loose
Sale price¥4,980
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.420ct loose
Sale price¥35,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.351ct loose
Sale price¥32,800
Mexican Water Opal 1.790ct Loose (Contralus Opal)
Sale price¥45,800
Bicolor star sapphire from Myanmar 1.340ct loose
Sale price¥35,800
Mexican water opal 0.212ct loose (contrarus opal)
Sale price¥39,800
Goshenite 1.620ct loose
Sale price¥22,800
Goshenite 1.989ct loose
Sale price¥25,800
Diaspore 1.209ct loose from Türkiye
Sale price¥21,800
Bicolor Zoisite 1.210ct loose
Sale price¥19,800
Danburite 1.427ct loose stone
Sale price¥5,980
Morganite from Nigeria 1.119ct loose
Sale price¥4,980
Bicolor chrysoberyl from Madagascar 1.753ct loose
Sale price¥26,800
Bicolor chrysoberyl from Madagascar 1.590ct loose
Sale price¥23,800
Bicolor chrysoberyl from Madagascar 1.003ct loose
Sale price¥15,800
Bicolor chrysoberyl from Madagascar 1.456ct loose
Sale price¥21,800
Bicolor chrysoberyl from Madagascar 1.520ct loose
Sale price¥22,800
Pink tourmaline 1.690ct loose
Sale price¥39,800
Australian boulder opal 1.730ct loose
Sale price¥9,800
Brazilian Euclase 1.240ct loose
Sale price¥22,800
Beryl 6.5mm/1.032ct loose stone
Sale price¥12,800
Labradorite Moonstone 1.598ct Loose Stone Japanese-German
Sale price¥9,800
Bicolor sphene from Madagascar 1.242ct loose
Sale price¥59,800
Sphene from Madagascar 1.229ct loose
Sale price¥59,800
Oregon Sunstone 1.157ct loose
Sale price¥9,800
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.