Unheated silky pink sapphire from Vietnam 0.161ct loose
Sale price¥7,980
Benitoite 0.069ct loose
Sale price¥25,800
Paraiba tourmaline from Brazil 0.038ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.043ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.039ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.037ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.050ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.039ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.036ct loose
Sale price¥25,800
Conch pearl (with flame pattern) 0.439ct loose
Sale price¥39,800
Conch pearl (with flame pattern) 0.387ct loose
Sale price¥39,800
Benitoite 2.2mm/0.229ct loose
Sale price¥57,800
Andalusite 0.604ct loose
Sale price¥6,980
Brazilian Green Spodumene 2.132ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 2.033ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 1.999ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 1.523ct Loose Stone
Sale price¥8,800
Brazilian Lazurite (Celestite) 0.281ct Ruth Japanese-German Edition
Sale price¥118,000
Bekily Blue Garnet from Madagascar (color change garnet) 0.297ct loose
Sale price¥19,800
Rhodochrosite 4.000ct loose from Detroit City
Sale price¥498,000
Opal 6mm/0.590ct loose (rose cut)
Sale price¥8,800
Sri Lankan star sapphire (4 rows) 1.473ct loose
Sale price¥79,800
Andesine from Mongolia 1.354ct loose
Sale price¥11,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 6.004ct loose
Sale price¥15,800
Bicolor Zircon 0.468ct Ruth Japanese-German Dictionary
Sale price¥25,800
Yellow diamond 0.291ct loose (FANCY INTENSE ORANGY YELLOW, SI2)
Sale price¥64,800
Yellow diamond 0.153ct loose (FANCY INTENSE YELLOW ORANGE, SI1)
Sale price¥38,800
Sphene from Madagascar 0.674ct loose
Sale price¥13,800
Sphene from Madagascar 0.498ct loose
Sale price¥9,800
Chrome tourmaline from Tanzania 2.5mm/0.076ct loose
Sale price¥3,980
Chrome tourmaline from Tanzania 2.5mm/0.061ct loose
Sale price¥3,980
Cobalt Garnite 0.155ct loose (sugar loaf cut)
Sale price¥12,800
American red beryl 0.143ct loose
Sale price¥17,800
American red beryl 0.115ct loose
Sale price¥13,800
American red beryl 0.208ct loose
Sale price¥25,800
American red beryl 0.141ct loose
Sale price¥16,800
American red beryl 0.136ct loose
Sale price¥16,800
American red beryl 0.133ct loose
Sale price¥15,800
American red beryl 0.108ct loose
Sale price¥13,800
Diamond 0.096ct loose (D, SI1, octagonal cut)
Sale price¥19,800
Diamond 0.126ct loose (F, VS2, octagonal cut)
Sale price¥25,800
Cambodian Blue Zircon 0.810ct Loose
Sale price¥9,800
Cambodian Blue Zircon 0.957ct Loose Stone
Sale price¥11,800
Cambodian Blue Zircon 1.086ct Loose
Sale price¥13,800
Cambodian Blue Zircon 1.163ct Loose Stone
Sale price¥13,800
Cambodian Blue Zircon 0.832ct Loose Stone
Sale price¥9,800
Cambodian Blue Zircon 0.966ct Loose Stone
Sale price¥11,800
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.