Kochi Prefecture red coral 2.187ct loose
Sale price¥19,800
Kochi Prefecture Deep Red Coral 1.975ct Loose Stone
Sale price¥18,800
Uncut Kochi Prefecture Blood Coral 6.520ct
Sale price¥8,800
Kochi Prefecture Natural Red Coral, 16.659 ct, Branch (Raw Material)
Sale price¥18,800
Almandine Garnet 0.814ct Loose Stone
Sale price¥7,980
Almandine Garnet 1.049ct Loose Stone
Sale price¥9,800
American red beryl 0.160ct loose
Sale price¥89,800
Unheated Mozambique Ruby 2.7mm/0.135ct Loose
Sale price¥19,800
China Hunan Province Cinnabar 1.056ct Loose Gemstone with Certificate
Sale price¥18,800
Australian Opal with Matrix (14.840ct Loose Stone) with Certificate
Sale price¥69,800
0.056 ct loose Eudialyte from Canada with certificate
Sale price¥15,800
Ruby 0.286ct Loose Stone with Certificate
Sale price¥22,800
Ruby 0.528ct Loose Stone with Gem Identification Report
Sale price¥28,800
Mozambique Almandine Garnet 17.770ct Loose Stone
Sale price¥98,000
Burmese ruby 3.72ct loose GIA/CGL
Sale price¥298,000
Lepidocrocite in quartz 0.308ct loose
Sale price¥6,980
Lepidocrocite in quartz 1.087ct loose
Sale price¥5,980
Oregon Sunstone from the United States 0.941ct loose stone
Sale price¥12,800
3.073ct Mozambique Almandine Garnet Loose Stone
Sale price¥22,800
Mozambican Rhodolite Garnet 1.890ct Loose Stone
Sale price¥18,800
Lepidocrocite in Quartz 0.768ct Loose
Sale price¥7,980
Lepidocrocite in Quartz 0.241ct Loose Stone
Sale price¥6,980
Lepidocrocite in Quartz 0.382ct Loose
Sale price¥6,980
Mozambican Almandine Garnet 1.363ct Loose Stone
Sale price¥12,800
American Oregon Sunstone 7.0mm/1.494ct Loose
Sale price¥35,800
Oregon Sunstone from the United States, 6.1mm/0.820ct loose stone
Sale price¥16,800
USA-origin Oregon Sunstone, 7.0mm/1.356ct loose
Sale price¥35,800
American red beryl 0.184ct loose
Sale price¥39,800
Unheated Pigeon Blood Ruby 0.380ct Loose Stone AIGS
Sale price¥79,800
Oregon Sunstone from the United States, 7.0mm/1.260ct loose stone
Sale price¥12,800
Oregon Sunstone from USA 7.1mm/1.308ct Loose Stone
Sale price¥19,800
American Anthill Garnet 4.0mm/0.359ct Loose
Sale price¥12,800
Ant Hill Garnet from the USA, 4.0mm/0.332ct, loose
Sale price¥11,000
Mozambique Almandine Garnet 6.7mm/1.228ct Loose Stone
Sale price¥9,800
Mozambique Almandine Garnet 4.8nmm/0.545ct Loose Stone
Sale price¥8,800
US-sourced Oregon Sunstone 0.428ct Loose
Sale price¥18,800
0.175ct loose hot pink sapphire from Mozambique
Sale price¥15,800
Unheated Pigeon Blood Ruby 5.0mm/0.520ct Loose Stone AIGS
Sale price¥128,000
Tibetan Andesine 0.348ct Loose Stone
Sale price¥12,800
0.933 ct loose Mozambican rubellite
Sale price¥25,800
Loose 0.498ct 5.0mm Oregon Sunstone from the USA
Sale price¥15,800
Tanzanian Rhodolite Garnet 9.2mm/4.174ct Loose Stone
Sale price¥29,800
Tanzanian Rhodolite Garnet 9.3mm/4.393ct Loose Stone
Sale price¥29,800
Tibetan Andesine 0.320ct Loose Stone
Sale price¥9,800
Pigeon Blood Ruby 4.6mm/0.490ct Loose
Sale price¥128,000
Pigeon Blood Ruby 0.250ct Loose Stone
Sale price¥79,800
U.S. Oregon Sunstone 1.590ct 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.