Tanzanian Purple Sapphire 0.681ct Loose Stone (Color Shift)
Sale price¥19,800
Cambodian colorless zircon 0.676ct loose stone (orange fluorescence)
Sale price¥6,980
Brazilian Petalite 0.615ct loose stone
Sale price¥6,980
Madagascar pink sapphire 0.527ct loose stone
Sale price¥18,800
Madagascar pink sapphire 0.335ct loose stone
Sale price¥14,800
Madagascar Purple Sapphire 0.429ct Loose
Sale price¥12,800
Blue beryl (Macis beryl) 0.199ct loose stone
Sale price¥9,800
Madagascar Purple Sapphire 0.433ct Loose Stone
Sale price¥14,800
Mexican Opal (Faceted Cut) 0.640ct Loose
Sale price¥14,800
Mexican Fire Opal (Faceted) 6.1mm/0.450ct Loose
Sale price¥12,800
Mexican Fire Opal (Faceted Cut) 0.352ct Loose
Sale price¥9,800
Brazilian Blue Tourmaline 0.650ct Loose
Sale price¥9,800
Namibian Jeremejevite 0.194ct loose stone by Nikkei
Sale price¥15,800
Diamond 3.0mm/0.123ct loose stone (D, VS2, octagonal cut)
Sale price¥28,800
Italian Leucite 0.287ct loose stone (play of color)
Sale price¥9,800
Italian Leucite 0.321ct loose stone (play of color)
Sale price¥11,800
Sri Lankan bicolor sapphire 0.260ct loose stone
Sale price¥12,800
Madagascar Blue Apatite 0.916ct Loose Stone
Sale price¥8,800
Myanmar spinel 0.402ct loose stone
Sale price¥12,800
Myanmar spinel 4.0mm/0.263ct loose stone
Sale price¥7,980
Synthetic Opal (Synthetic Black Opal) 0.723ct Loose
Sale price¥15,800
Synthetic Opal (Synthetic Black Opal) 0.651ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.272ct Loose (Bicolor)
Sale price¥12,800
Blue beryl (Macis beryl) 3.5mm/0.152ct loose stone
Sale price¥8,800
Blue Beryl (Macisi Beryl) 3.6mm/0.176ct loose stone
Sale price¥8,800
Indian Moonstone 6.2mm/0.749ct Loose
Sale price¥7,980
Colombian emerald 3.5mm/0.150ct loose stone
Sale price¥22,800
Brazilian Pink Tourmaline 0.960ct Loose Stone
Sale price¥15,800
Brazilian bicolor tourmaline 0.763ct loose stone
Sale price¥7,980
Pakistani Lazurite (Azurite) 0.123ct loose stone
Sale price¥59,800
Brazilian Alexandrite 0.519ct loose stone (sugarloaf cut)
Sale price¥358,000
Brazilian bicolor tourmaline 0.914ct loose stone
Sale price¥12,800
Burmese Ruby 0.418ct Loose Stone Japan-Germany
Sale price¥35,800
Myanmar Ruby 0.283ct Loose
Sale price¥29,800
Emerald 0.484ct loose
Sale price¥18,800
Madagascar Pink Tourmaline 0.543ct Loose Stone
Sale price¥14,800
Tanzania Bicolor Zoisite 4.6mm/0.401ct Loose Stone
Sale price¥12,800
Tanzania Bicolor Zoisite 0.450ct Loose Stone
Sale price¥9,800
Tanzania Bicolor Zoisite 4.7mm/0.415ct Loose Stone
Sale price¥12,800
Tanzanite from Tanzania 0.478ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.351ct loose stone
Sale price¥9,800
Tanzania Green Zoisite 0.335ct Loose Stone
Sale price¥12,800
Bekiri Blue Garnet (Color Change Garnet) from Madagascar 0.170ct Loose
Sale price¥18,800
Pakistani Veirinite 0.096ct loose stone
Sale price¥12,800
Montana Sapphire 3.7mm/0.272ct Loose Stone (Blue Sapphire)
Sale price¥9,800
Australian black opal 0.386ct loose stone
Sale price¥39,800
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.