Green tourmaline 0.621ct loose stone
Sale price¥9,800
Green tourmaline 0.457ct loose stone
Sale price¥9,800
Afghanistan Hackmanite 0.418ct loose stone
Sale price¥12,800
Salt and pepper diamond 0.446ct loose
Sale price¥39,800
Zimbabwean Blue Apatite (UV Type) 0.539ct Loose
Sale price¥9,800
Zimbabwean Blue Apatite (UV type) 0.703ct loose stone
Sale price¥11,000
Zimbabwean Blue Apatite (UV type) 1.061ct loose stone
Sale price¥12,800
Australian Opal 0.315ct Loose
Sale price¥5,980
Myanmar Leuco Garnet 0.324ct loose stone
Sale price¥39,800
YAG (Yttrium Aluminum Garnet) 1.171ct loose stone
Sale price¥14,800
Brazilian Imperial Topaz 0.413ct Loose Stone
Sale price¥11,000
Brazilian Imperial Topaz 0.402ct Loose Stone
Sale price¥11,000
Brazilian Imperial Topaz 0.357ct Loose Stone
Sale price¥12,800
Brazilian Imperial Topaz 0.349ct Loose Stone
Sale price¥12,800
Mica in Quartz 0.760ct Loose
Sale price¥6,980
Mica in Quartz 0.588ct Loose Stone
Sale price¥6,980
Mica in Quartz 0.544ct Loose Stone
Sale price¥6,980
Mexican egg-in-opal 1.243ct loose stone
Sale price¥14,800
Tanzanite 5mm/0.580ct loose stone (sugarloaf cut)
Sale price¥9,800
Aquamarine 0.398ct loose stone
Sale price¥8,800
Brazilian Medusa Quartz (Paraiba Quartz) 0.400ct Loose
Sale price¥6,980
Sky blue topaz 0.563ct loose stone
Sale price¥5,980
Bicolor Zoisite 0.402ct loose stone
Sale price¥9,800
Bicolor tourmaline 0.548ct loose
Sale price¥6,980
Ruby 0.282ct loose
Sale price¥8,800
[KEN] Pink spinel from Myanmar 0.604ct loose
Sale price¥9,800
Oregon Sunstone 0.226ct loose
Sale price¥5,980
Dumortierite in quartz 0.387ct loose
Sale price¥8,800
Lepidocrocite in quartz 0.308ct loose
Sale price¥8,800
Aquamarine 0.519ct loose
Sale price¥8,800
Bicolor tourmaline 0.429ct loose
Sale price¥6,980
Bicolor Tourmaline 0.378ct Loose Stone (Hexagonal Cut)
Sale price¥8,800
Pink tourmaline 0.539ct loose stone (heart shape)
Sale price¥12,800
Bicolor Tourmaline 0.792ct Loose (Heart Shape)
Sale price¥9,800
Ethiopian Opal 0.294ct Loose (Heart Shape, Faceted Cut)
Sale price¥6,980
Oregon Sunstone 0.462ct loose
Sale price¥6,980
Bicolor Paraiba tourmaline 2.477ct loose DGL version
Sale price¥228,000
Australian rainbow lattice sunstone 0.498ct loose
Sale price¥3,980
Australian rainbow lattice sunstone 0.449ct loose
Sale price¥5,980
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.