American Herkimer Diamond 5.6mm/0.516ct Loose
Sale price¥9,800
Brazilian Goshenite 0.771ct loose stone
Sale price¥6,980
Chinese bicolor fluorite 0.950ct loose stone
Sale price¥6,980
Brazilian Paraiba Tourmaline 0.821ct rough stone
Sale price¥39,800
Amazon Green Opal 0.814ct Loose (Faceted Cut)
Sale price¥8,800
Amazonian green opal 0.517ct loose stone (faceted cut)
Sale price¥8,800
Synthetic Alexandrite 0.578ct loose stone
Sale price¥12,800
Synthetic Alexandrite 0.841ct loose stone
Sale price¥15,800
Sri Lankan Moonstone 0.561ct Loose
Sale price¥6,980
South African Rhodochrosite 0.990ct Loose Stone by Nikkei
Sale price¥128,000
Spanish Andalusite 5.7mm/0.706ct loose stone
Sale price¥9,800
Vietnam Aquamarine 0.626ct Loose
Sale price¥8,800
Tanzanian Grape Garnet 0.785ct Loose Stone
Sale price¥9,800
Chinese bicolor fluorite 0.990ct loose stone
Sale price¥6,980
Chinese bicolor fluorite 0.908ct loose stone
Sale price¥6,980
Vietnam Aquamarine 5.9mm/0.700ct Loose Stone
Sale price¥8,800
Vietnam Aquamarine 5.0mm/0.739ct Loose Stone
Sale price¥9,800
Tanzanian Kornerupine Cat's Eye 0.622ct Loose Stone
Sale price¥4,980
Greenland Tugtupite 0.642ct loose stone
Sale price¥25,800
Greenland Tugtupite 0.546ct loose stone
Sale price¥29,800
Amazon Green Opal 0.781ct Loose (Faceted Cut)
Sale price¥7,980
Purple spinel 0.955ct loose stone
Sale price¥19,800
Brazilian Euclase 0.695ct Loose Stone
Sale price¥18,800
Tanzanian Lavender Tanzanite 0.558ct Loose Stone
Sale price¥12,800
Tanzanian bicolor tanzanite 0.573ct loose stone
Sale price¥15,800
Tanzanian Lavender Tanzanite 0.577ct Loose Stone
Sale price¥15,800
Oregon Sunstone from the United States 0.736ct loose stone
Sale price¥8,800
Synthetic Moissanite 5.8mm/0.678ct Loose Stone
Sale price¥9,800
Synthetic Moissanite 5.8mm/0.682ct Loose Stone
Sale price¥9,800
Vietnam Yellow Beryl (Heliodor) 0.904ct Loose Stone
Sale price¥8,800
Vietnam Yellow Beryl (Heliodor) 0.911ct Loose Stone
Sale price¥8,800
Brazilian Green Tourmaline 0.825ct Loose Stone
Sale price¥9,800
Brazilian Green Tourmaline 0.883ct Loose Stone
Sale price¥19,800
Tanzania Bicolor Zoisite 4.8mm/0.540ct Loose Stone
Sale price¥12,800
Synthetic Moissanite 0.634ct loose stone
Sale price¥9,800
Almandine Garnet 0.762ct Loose Stone
Sale price¥9,800
Bicolor Fluorite 0.763ct Loose
Sale price¥9,800
Ethiopian Opal 4.9mm/0.625ct Loose (Sphere)
Sale price¥5,980
Tanzanian Rhodolite Garnet 0.775ct Loose Stone
Sale price¥9,800
Tanzanian Rhodolite Garnet 0.810ct Loose Stone
Sale price¥9,800
American Herkimer Diamond (Rock Crystal) 5.5mm/0.528ct Loose
Sale price¥8,800
Goshenite 5.7mm/0.572ct loose stone
Sale price¥5,980
Tanzanite 0.760ct loose stone (sugarloaf cut)
Sale price¥9,800
Oregon Sunstone 0.713ct loose
Sale price¥6,980
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.