Sri Lankan Star Sapphire 7.111ct Loose
Sale price¥59,800
Colombian pyrite emerald 3.817ct loose stone
Sale price¥79,800
Sri Lankan Blue Sapphire (Ice Blue) 0.584ct Loose
Sale price¥9,800
Madagascar Bicolor Sapphire 0.296ct Loose
Sale price¥7,980
0.165ct Unheated Silky Pink Sapphire from Vietnam
Sale price¥6,980
Colombian mint color emerald 0.294ct loose stone
Sale price¥9,800
Colombian mint color emerald 0.158ct loose stone
Sale price¥5,980
Colombian mint color emerald 0.136ct loose stone
Sale price¥6,980
Colombian mint color emerald 0.155ct loose stone
Sale price¥7,980
Colombian Trapiche Emerald 0.422ct Loose
Sale price¥22,800
Colombian Trapiche Emerald 0.746ct Loose
Sale price¥39,800
Colombian emerald 0.153ct rough stone
Sale price¥7,980
Colombian emerald 0.202ct rough stone
Sale price¥9,800
Colombian emerald 0.499ct rough stone
Sale price¥15,800
Colombian emerald 0.443ct rough stone
Sale price¥9,800
Padparadscha Sapphire 0.497ct Loose DGL
Sale price¥59,800
Australian black opal 0.650ct loose
Sale price¥18,800
Mexican Opal 1.666ct Loose
Sale price¥14,800
Unheated color change sapphire 1.070ct loose stone
Sale price¥158,000
Sri Lankan Twin Star Sapphire 2.443ct Loose
Sale price¥128,000
Benitoite 0.272ct loose stone (emerald cut)
Sale price¥248,000
Colombian emerald 0.145ct loose stone with precious stone
Sale price¥39,800
Colombian emerald 0.167ct loose stone with jewel
Sale price¥49,800
Colombian emerald 0.111ct loose stone with precious stone
Sale price¥29,800
Ruby 0.242ct loose stone
Sale price¥14,800
Sri Lankan Twin Star Sapphire 2.895ct Loose
Sale price¥69,800
Sri Lankan Ilmenite in Star Sapphire 3.426ct loose stone (Ratnapura)
Sale price¥49,800
Yellow sapphire 0.287ct loose stone
Sale price¥9,800
Pink sapphire 0.202ct loose stone
Sale price¥9,800
Pink sapphire 0.202ct loose stone
Sale price¥8,800
Purple sapphire 0.199ct loose stone
Sale price¥8,800
Yellow sapphire 0.229ct loose stone
Sale price¥9,800
Sapphire 0.461ct loose stone
Sale price¥15,800
Vietnam unheated silky pink sapphire 0.580ct loose stone
Sale price¥18,800
White Conch Pearl (with flame pattern) 0.627ct loose stone with jewel
Sale price¥69,800
Diamond 0.042ct loose (VS class equivalent, emerald cut)
Sale price¥8,800
Colombian emerald 0.345ct loose stone (silky type)
Sale price¥15,800
Colombian emerald 0.512ct loose stone (silky type)
Sale price¥14,800
Diamond 3.4mm/0.144ct loose stone (I, VS1, Good)
Sale price¥16,800
Colombian pyrite-mica emerald 0.844ct loose stone
Sale price¥35,800
Ethiopian honeycomb opal 3.566ct loose stone
Sale price¥46,800
Mexican Opal 9.6mm/1.803ct Loose (Contralus Opal)
Sale price¥69,800
Unheated Mozambique Ruby 2.7mm/0.135ct Loose
Sale price¥19,800
Colombian pyrite-mica emerald 0.815ct loose stone
Sale price¥39,800
Colombian Trapiche Emerald 0.317ct Rough Stone
Sale price¥19,800
Colombian Trapiche emerald 0.424ct rough stone
Sale price¥39,800
Colombian Trapiche emerald 0.611ct rough stone
Sale price¥69,800
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.