Color shift amethyst 1.216ct loose stone
Sale price¥8,800
Madagascar Apatite 1.038ct Loose
Sale price¥12,800
Madagascar Pink Tourmaline 0.543ct Loose Stone
Sale price¥14,800
Madagascar sphene 1.386ct loose stone
Sale price¥12,800
Madagascar sphene 0.673ct loose stone
Sale price¥15,800
Tanzanite from Tanzania 4.6mm/0.429ct loose stone
Sale price¥12,800
Tanzania Bicolor Zoisite 4.6mm/0.401ct Loose Stone
Sale price¥12,800
Tanzania Bicolor Zoisite 0.450ct Loose Stone
Sale price¥9,800
Tanzania Bicolor Zoisite 4.7mm/0.415ct Loose Stone
Sale price¥12,800
Tanzanite from Tanzania 0.478ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.351ct loose stone
Sale price¥9,800
Tanzania Green Zoisite 0.335ct Loose Stone
Sale price¥12,800
Bekiri Blue Garnet (Color Change Garnet) from Madagascar 0.170ct Loose
Sale price¥18,800
Pakistani Veirinite 0.096ct loose stone
Sale price¥12,800
Spanish Sphalerite 7mm/1.676ct loose stone
Sale price¥35,800
Brazilian Morganite 1.296ct loose stone
Sale price¥8,800
Montana Sapphire 3.7mm/0.272ct Loose Stone (Blue Sapphire)
Sale price¥9,800
Hokkaido Opal 12.492ct Loose Patch
Sale price¥7,980
Brazilian Quartz 13.991ct Loose Patch
Sale price¥9,800
Australian Green Opal 4.990ct Loose
Sale price¥9,800
Brazilian bicolor tourmaline 0.582ct loose stone
Sale price¥6,980
Pakistan Ruby in Quartz 1.429ct Loose Stone
Sale price¥12,800
Australian black opal 0.386ct loose stone
Sale price¥39,800
Madagascar White Topaz (Needle-in Topaz) 4.086ct Loose
Sale price¥15,800
Brazilian Rubellite (Red Tourmaline) 3.844ct Loose Stone
Sale price¥128,000
Hackmanite from Afghanistan, 15.600ct rough stone
Sale price¥8,800
Brazilian Romanesite in Quartz 4.331ct Loose Stone
Sale price¥9,800
Brazilian Bicolor Tourmaline 16.088ct Loose (Tricolor) Nikkei
Sale price¥298,000
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.807ct Loose Stone
Sale price¥15,800
Colombian emerald 3.1mm/0.097ct loose
Sale price¥22,800
Argentine Inca Rose 5.022ct loose stone
Sale price¥12,800
Mexican Cantera Opal 5.647ct Loose
Sale price¥19,800
Mexican Cantera Opal 2.809ct Loose
Sale price¥25,800
Mexican Cantera Opal 3.280ct Loose
Sale price¥9,800
Mexican Cantera Opal 4.973ct Loose
Sale price¥15,800
Mexican Cantera Opal 7.460ct Loose
Sale price¥29,800
Mexican Cantera Opal 1.534ct Loose
Sale price¥8,800
Mexican Cantera Opal 11.105ct Loose
Sale price¥12,800
Australian Shell Opal (Shell Opal) 51.801ct Rough Stone
Sale price¥25,800
Brazilian Quartz in Quartz 10.349ct Loose Stone
Sale price¥15,800
Brazilian bicolor tourmaline cat's eye 22.056ct loose stone
Sale price¥198,000
Mozambique Rubellite 1.706ct Loose Stone
Sale price¥39,800
Argentine Inca Rose 15.960ct loose stone
Sale price¥12,800
Argentine Inca Rose 20.650ct loose stone
Sale price¥15,800
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.