Loose Australian Black Opal 0.397ct
Sale price¥12,800
Australian Black Opal 0.415ct Loose
Sale price¥18,800
Australian black opal 1.311 ct loose stone
Sale price¥18,800
Australian Black Opal 0.605ct Loose Stone
Sale price¥22,800
Australian Black Opal 0.940ct Loose
Sale price¥18,800
Australian Black Opal 0.754ct Loose
Sale price¥22,800
Australian Black Opal 0.768ct Loose
Sale price¥25,800
Australian black opal 0.758ct loose stone
Sale price¥35,800
Indian Black Moonstone 0.609ct Loose
Sale price¥7,980
Brazilian dumortierite in quartz 1.060ct loose (faceted cut)
Sale price¥9,800
Brazilian Blue Tourmaline 0.819ct Loose Stone
Sale price¥31,800
Brazilian Sky Blue Topaz 0.746ct Loose Stone
Sale price¥8,800
0.834 ct loose Sky Blue Topaz from Brazil
Sale price¥8,800
1.053 ct Loose Australian Rainbow Lattice Sunstone
Sale price¥8,800
Brazilian Dumortierite in Quartz 1.266ct Loose Stone
Sale price¥12,800
Brazilian Dumortierite in Quartz 0.803ct Loose
Sale price¥9,800
Mexican fire opal, 0.733 ct, loose
Sale price¥29,800
Tanzanian Rhodolite Garnet 1.203ct Loose
Sale price¥12,800
Tanzanian Rhodolite Garnet 0.763ct Loose Stone
Sale price¥9,800
American Peridot 0.643ct Loose Stone
Sale price¥12,800
Tanzanian Yellow Zircon 0.835ct Loose
Sale price¥9,800
Mexican Fire Opal (Faceted) 0.501ct Loose Stone
Sale price¥12,800
Australian Prehnite 0.908ct Loose
Sale price¥7,980
Mexican Fire Opal 0.459ct Loose
Sale price¥18,800
Australian black opal 0.805ct loose stone
Sale price¥39,800
Tanzanite 0.753ct loose stone from Tanzania
Sale price¥25,800
Tanzanian Rhodolite Garnet 1.194ct Loose Stone
Sale price¥15,800
Tanzanian Zoisite 0.956ct Loose Stone
Sale price¥19,800
Colombian mint-color emerald, 5.1mm/0.517ct loose stone
Sale price¥12,800
Cambodian Zircon 2.495ct Loose
Sale price¥22,800
Colombian pyrite emerald 2.380ct rough stone
Sale price¥39,800
Brown Diamond 5.2mm/0.561ct Loose (FANCY DARK BROWN, SI2)
Sale price¥29,800
Mongolian Color Change Andesine 0.882ct Loose Stone
Sale price¥19,800
Cambodian blue zircon 1.126ct loose stone
Sale price¥18,800
Tanzanite from Tanzania 0.889ct loose stone
Sale price¥18,800
Tanzanian Zoisite 5.5mm/0.689ct Loose
Sale price¥18,800
Brazilian Sunstone 5.1mm/0.532ct Loose Stone (Rose Quartz)
Sale price¥5,980
American Peridot 0.969ct Loose Stone
Sale price¥25,800
Mexican Fire Opal 0.191ct Loose (Faceted Cut)
Sale price¥12,800
Tanzanite from Tanzania 0.436ct loose stone
Sale price¥8,800
Tanzanian Bicolor Grossular Garnet 2.997ct Loose Stone
Sale price¥69,800
Zimbabwean sphene, 2.067ct loose
Sale price¥59,800
Kenyan Tsavorite 1.026ct Loose Stone
Sale price¥98,000
Myanmar color change zircon 0.697ct loose stone
Sale price¥39,800
Brazilian Blue Tourmaline 0.827ct Loose Stone
Sale price¥19,800
Mexican Water Opal (Faceted) 0.215ct Loose (Contrarus Opal)
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.