Cassiterite 1.676ct loose stone with certificate
Sale price¥45,800
Brazilian Dumortierite in Quartz 0.578ct loose stone (faceted cut)
Sale price¥5,980
Brazilian Dumortierite in Quartz 0.482ct loose stone (faceted cut)
Sale price¥5,980
Brazilian Dumortierite in Quartz 0.652ct loose stone (faceted cut)
Sale price¥9,800
Mexican Hyalite Opal 6.9mm/1.134ct Loose
Sale price¥25,800
Mexican Hyalite Opal 6.1mm/0.652ct Loose Stone
Sale price¥25,800
Indian Moss Agate 0.387ct Loose Stone
Sale price¥8,800
Brazilian pyrope almandine garnet 0.925ct loose stone
Sale price¥9,800
Brazilian Aquamarine 0.578ct Loose Stone
Sale price¥12,800
Brazilian Dumortierite in Quartz 0.368ct loose stone
Sale price¥12,800
Brazilian Madeira Citrine 0.867ct Loose Stone
Sale price¥9,800
Brazilian Madeira Citrine 0.602ct Loose Stone
Sale price¥8,800
Brazilian Madeira Citrine 0.672ct Loose Stone
Sale price¥6,980
[Sakura Shape] Brazilian Green Tourmaline 6.7mm/1.057ct Loose Patch
Sale price¥39,800
Mexican fire opal (faceted cut) 0.387ct loose stone
Sale price¥14,800
Madagascar Blue Sapphire (Ice Blue) 0.584ct Loose
Sale price¥19,800
Cambodian colorless zircon 0.749ct loose stone
Sale price¥8,800
Purple Apatite 0.896ct Loose Stone with Certificate of Authenticity
Sale price¥11,000
Purple Apatite 0.993ct Loose Stone with Certificate of Authenticity
Sale price¥9,800
Purple Apatite 0.915ct Loose Stone with Certificate of Authenticity
Sale price¥13,800
Tanzania Bicolor Zoisite 6.9mm/1.365ct Loose Stone
Sale price¥24,800
Brazilian Dumortierite in Quartz 1.256ct loose stone
Sale price¥15,800
Malawi Bicolor Zircon 1.223ct Loose Stone
Sale price¥55,800
Tanzanite from Tanzania 0.331ct loose stone
Sale price¥5,980
Zimbabwean Apatite (UV type) 2.368ct loose stone
Sale price¥18,800
Nigerian Green Beryl 0.757ct Loose Stone (Mint Green Color)
Sale price¥25,800
Nigerian Green Beryl 0.427ct Loose Stone
Sale price¥9,800
Brazilian White Chalcedony 0.925ct Loose Stone
Sale price¥5,980
Brazilian Dendritic Agate 0.629ct Loose Stone
Sale price¥7,980
Brazilian Dendritic Agate 0.735ct Loose Stone
Sale price¥7,980
Brazilian Green Tourmaline 0.831ct Loose Stone
Sale price¥25,800
Australian Rainbow Lattice Sunstone 0.811ct Loose Stone
Sale price¥15,800
Brazilian Swiss Blue Topaz 6.4mm/1.225ct Loose Stone
Sale price¥9,800
Spanish Sphalerite 6.3mm/1.771ct loose stone
Sale price¥8,800
Madagascar pink sapphire 0.486ct loose stone
Sale price¥12,800
Australian Rainbow Lattice Sunstone 0.633ct Loose Stone
Sale price¥8,800
Mozambique Almandine Garnet 1.237ct Loose Stone
Sale price¥12,800
Madagascar pink sapphire 0.466ct loose stone
Sale price¥12,800
Madagascar White Sapphire 0.485ct Loose
Sale price¥19,800
Oregon Sunstone from the United States 0.554ct loose stone
Sale price¥7,980
Tanzania Bicolor Zircon 0.801ct Loose Stone
Sale price¥9,800
Tanzania Peristerite 0.805ct loose stone
Sale price¥6,980
Brazilian Mica in Quartz (Mica in Quartz) 0.990ct Loose
Sale price¥6,980
Brazilian Mica in Quartz (Mica in Quartz) 0.701ct Loose Stone
Sale price¥6,980
Brazilian Mica in Quartz (Mica in Quartz) 1.009ct Loose Stone
Sale price¥9,800
Brazilian Mica in Quartz (Mica in Quartz) 0.622ct Loose Stone
Sale price¥6,980
Indian Moss Agate 0.721ct Loose Stone
Sale price¥8,800
Brazilian Lepidocrocite in Quartz 0.608ct Loose Stone
Sale price¥8,800
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.