Australian black opal 0.410ct loose stone
Sale price¥15,800
Brazilian Dumortierite in Quartz 0.495ct loose stone
Sale price¥5,980
Brazilian Dumortierite in Quartz 0.387ct loose stone
Sale price¥5,980
Brazilian Dumortierite in Quartz 0.432ct Loose Stone
Sale price¥6,980
Brazilian alexandrite 0.058ct loose
Sale price¥12,800
Brazilian alexandrite 0.051ct loose
Sale price¥11,000
Madagascar Pezzottaite 0.229ct loose stone
Sale price¥19,800
Madagascar Pezzottaite 0.554ct loose stone
Sale price¥19,800
Sri Lankan Star Sapphire 1.339ct Loose
Sale price¥15,800
Sri Lankan Star Sapphire 1.682ct Loose
Sale price¥15,800
Sri Lankan Star Sapphire 1.225ct Loose
Sale price¥15,800
Russian Demantoid Garnet (Horsetail) 2.9mm/0.194ct Loose Stone
Sale price¥29,800
Tanzanite 1.004ct loose stone
Sale price¥22,800
Tanzanite 4.8mm/0.494ct loose stone
Sale price¥15,800
Bicolor Zoisite 1.100ct Loose Stone (Bicolor Tanzanite)
Sale price¥19,800
Bicolor Zoisite 0.450ct Loose Stone (Bicolor Tanzanite)
Sale price¥18,800
Lavender Tanzanite 0.784ct loose stone
Sale price¥14,800
Topaz 0.950ct loose stone
Sale price¥8,800
Mexican Fire Opal 1.833ct Loose
Sale price¥49,800
Mexican Fire Opal 1.424ct Loose
Sale price¥49,800
White Topaz 6.495ct Loose (Vortex Cut)
Sale price¥29,800
Yellow Zircon 0.268ct Loose
Sale price¥9,800
Myanmar Trapiche Ruby 0.250ct Loose
Sale price¥15,800
Myanmar Trapiche Ruby 0.342ct Loose
Sale price¥15,800
Mexican Fire Opal 1.877ct Loose
Sale price¥14,800
Namibian Hemimorphite 0.697ct Loose Stone
Sale price¥8,800
Namibian Hemimorphite 0.736ct Loose Stone
Sale price¥8,800
Namibian Hemimorphite 0.615ct Loose Stone
Sale price¥7,980
Nepalese bicolor kyanite 0.987ct loose stone
Sale price¥9,800
Nepalese Bicolor Kyanite 6.3mm/0.903ct Loose Stone
Sale price¥9,800
Bicolor Fluorite 0.909ct Loose
Sale price¥6,980
Bicolor Fluorite 0.582ct Loose
Sale price¥5,980
Bicolor fluorite 1.332ct loose stone
Sale price¥6,980
Bicolor Fluorite 0.528ct Loose
Sale price¥6,980
Ethiopian Opal 2.131ct Loose
Sale price¥12,800
Ethiopian Opal 1.694ct Loose
Sale price¥8,800
Mexican Opal 0.681ct Loose
Sale price¥6,980
Mexican Opal 0.499ct Loose
Sale price¥5,980
Mexican Opal 0.854ct Loose
Sale price¥6,980
Green tourmaline 0.621ct loose stone
Sale price¥9,800
Green tourmaline 0.457ct loose stone
Sale price¥9,800
Diamond 0.320ct loose (D, VS2)
Sale price¥79,800
Afghanistan Hackmanite 0.418ct loose stone
Sale price¥12,800
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
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.