Brazilian Paraiba Tourmaline in Quartz 4.5mm/0.284ct Loose Stone
Sale price¥22,800
Brazilian Paraiba Tourmaline in Quartz 1.146ct Loose Stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 8.0mm/1.287ct Loose Stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 7.9mm/1.314ct Loose Stone
Sale price¥29,800
Brazilian Limonite in Topaz 3.399ct loose stone
Sale price¥8,800
Colombian Trapiche Emerald 0.629ct Loose
Sale price¥34,800
Brazilian Medusa Quartz (Paraiba Quartz) 2.089ct loose stone
Sale price¥16,800
Kenyan Gold Sheen Sapphire 3.6mm/0.302ct Loose Stone
Sale price¥35,800
Kenyan Gold Sheen Sapphire 3.5mm/0.273ct Loose Stone
Sale price¥22,800
Ethiopian Opal 1.433ct Loose
Sale price¥3,980
Brazilian Bicolor Pink Euclase 0.236ct Loose Stone, Japan-Germany
Sale price¥128,000
YAG (Yttrium Aluminum Garnet) 7.1mm/1.709ct loose stone
Sale price¥12,800
Tibetan bicolor andesine 1.542ct loose stone
Sale price¥14,800
Indian Cavansite 1.717ct loose stone
Sale price¥8,800
Myanmar Taaffeite 0.650ct Loose GIT
Sale price¥39,800
Synthetic Moissanite 12.5mm/6.579ct Loose Stone
Sale price¥29,800
Colombian Trapiche Emerald 1.494ct Loose
Sale price¥69,800
Brazilian Imperial Topaz 0.764ct Loose Stone
Sale price¥19,800
Brazilian bicolor tourmaline 0.845ct loose stone
Sale price¥15,800
Colombian emerald 1.321ct loose stone (partly trapiche emerald)
Sale price¥98,000
American Benitoite 1.8mm/0.159ct loose stone (gradation)
Sale price¥39,800
Brazilian Imperial Topaz 0.377ct Loose Stone
Sale price¥14,800
Indian Moss Agate 0.755ct Loose Stone
Sale price¥7,980
Indian Moss Agate 1.182ct Loose Stone
Sale price¥11,800
Indian Moss Agate 1.434ct Loose Stone
Sale price¥12,800
Brazilian Lepidocrocite in Quartz 0.721ct Loose Stone
Sale price¥14,800
Brazilian Lepidocrocite in Quartz 0.484ct Loose Stone
Sale price¥9,800
Brazilian Lepidocrocite in Quartz 0.957ct Loose Stone
Sale price¥15,800
Tourmaline 0.541ct loose stone
Sale price¥8,800
Brazilian Tourmaline 0.858ct Loose Stone
Sale price¥15,800
Brazilian bicolor tourmaline 0.326ct loose stone
Sale price¥8,800
Brazilian Pink Tourmaline 0.538ct Loose Stone
Sale price¥8,800
Brazilian pink tourmaline 0.844ct loose stone
Sale price¥22,800
Brazilian Pink Tourmaline 0.855ct Loose Stone
Sale price¥14,800
Cambodian Blue Zircon 1.606ct Loose
Sale price¥18,800
Brazilian Sky Blue Topaz 5.246ct Loose Stone
Sale price¥18,800
Brazilian Brown Tourmaline 1.529ct Loose Stone
Sale price¥14,800
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.