Colombian mint color emerald 0.155ct loose stone
Sale price¥7,980
Bicolor Zoisite 0.823ct rough stone
Sale price¥8,800
Bicolor Tanzanite 1.677ct rough stone
Sale price¥8,800
Colombian emerald 0.153ct rough stone
Sale price¥7,980
Colombian emerald 0.202ct rough stone
Sale price¥9,800
Colombian emerald 0.443ct rough stone
Sale price¥9,800
Mica in Quartz 0.865ct Loose Stone
Sale price¥6,980
Mica in Quartz 0.736ct loose stone
Sale price¥6,980
Mica in Quartz 0.710ct Loose
Sale price¥5,980
Mica in Quartz 0.594ct loose stone
Sale price¥5,980
Oregon Sunstone 0.272ct Loose
Sale price¥8,800
Sinhalite from Sri Lanka 0.706ct loose stone
Sale price¥9,800
Benitoite 2.0mm/0.050ct loose stone (cabochon cut)
Sale price¥6,980
Pink diaspore 0.351ct loose stone
Sale price¥9,800
Pink amethyst 3.275ct loose stone
Sale price¥9,800
Lavender quartz (scorolite) 1.130ct loose stone
Sale price¥6,980
Lavender quartz (scorolite) 2.181ct loose stone
Sale price¥9,800
Lavender quartz (scorolite) 2.740ct loose stone
Sale price¥9,800
Sunstone (Illusion Sunstone) 0.553ct Loose
Sale price¥8,800
Yellow sapphire 0.287ct loose stone
Sale price¥9,800
Pink sapphire 0.202ct loose stone
Sale price¥9,800
Pink sapphire 0.202ct loose stone
Sale price¥8,800
Purple sapphire 0.199ct loose stone
Sale price¥8,800
Yellow sapphire 0.229ct loose stone
Sale price¥9,800
Spanish Andalusite 0.440ct loose stone
Sale price¥8,800
Spanish Andalusite 0.435ct loose stone
Sale price¥8,800
Diamond 0.042ct loose (VS class equivalent, emerald cut)
Sale price¥8,800
Brazilian Romanesite in Quartz 2.914ct loose stone
Sale price¥9,800
Tanzanian Chrome Tourmaline 0.522ct Loose Stone
Sale price¥5,980
Chrysoberyl cat's eye 1.088ct loose stone
Sale price¥8,800
Cristobalite in Quartz 1.660ct Loose
Sale price¥9,800
Brazilian Aquamarine 0.874ct Loose Stone (Phantom Cut)
Sale price¥8,800
Additional charge for resizing: 8,000 yen
Sale price¥8,000
Colombian Trapiche Emerald (Reverse Trapiche) 0.073ct Rough Stone
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.078ct rough stone
Sale price¥7,980
Diamond rough stone 1.293ct
Sale price¥5,980
Sri Lankan Star Sapphire 2.093ct Loose
Sale price¥9,800
Australian black opal 0.407ct loose stone
Sale price¥8,800
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
Yellow Zircon 0.268ct Loose
Sale price¥9,800
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
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.