Kunzite from Afghanistan 4.992ct loose stone
Sale price¥15,800
Madagascar Aquamarine 1.678ct Loose Stone
Sale price¥15,800
Aquamarine 0.709ct loose stone
Sale price¥18,800
Tibetan Andesine 0.671ct loose stone
Sale price¥12,800
Blue sapphire 0.466ct loose stone
Sale price¥12,800
Blue sapphire 0.282ct loose stone (teal color)
Sale price¥15,800
Nigerian Cobalt Garnite 0.175ct Loose Stone, Japan-Germany Exchange
Sale price¥35,800
Synthetic Moissanite 13.5mm/8.950ct Loose
Sale price¥39,800
Synthetic Moissanite 10mm/3.340ct Loose Stone
Sale price¥18,800
Synthetic Alexandrite 0.560ct loose stone
Sale price¥14,800
Brazilian mint color tourmaline 0.849ct loose stone
Sale price¥29,800
Brazilian Aquamarine 0.474ct Loose Stone
Sale price¥12,800
Madagascar Purple Spinel 5.2mm/0.651ct Loose Stone
Sale price¥8,800
Vietnam Aquamarine 0.586ct Loose
Sale price¥12,800
American Benitoite 0.150ct loose stone (emerald cut)
Sale price¥69,800
American Benitoite 0.058ct loose stone (princess cut)
Sale price¥15,800
American Benitoite 3.1mm/0.129ct loose stone
Sale price¥59,800
American Benitoite 0.051ct loose stone (princess cut)
Sale price¥15,800
Brazilian Green Tourmaline 0.561ct Loose Stone
Sale price¥25,800
Tanzanite 0.477ct loose stone (princess cut) from Tanzania
Sale price¥12,800
Brazilian Morganite 1.950ct loose stone
Sale price¥14,800
Colombian emerald cat's eye 0.084ct loose
Sale price¥6,980
Dominican Republic Conch Pearl 0.800ct Loose
Sale price¥19,800
Veilinite from Pakistan (Vailinite) 0.168ct loose
Sale price¥39,800
Dominican Republic Conch Pearl (with flame pattern) 1.260ct loose
Sale price¥25,800
Namibian Jeremejevite 0.147ct loose stone with certificate
Sale price¥29,800
Colombian Euclase 0.735ct loose stone
Sale price¥14,800
Brazilian Morganite 2.183ct loose stone
Sale price¥29,800
Brazilian Swiss Blue Topaz 1.043ct Loose Stone
Sale price¥8,800
Madagascar Blue Sapphire 0.890ct Loose
Sale price¥39,800
Brazilian Blue Topaz 0.766ct Loose Stone
Sale price¥6,980
Pezzotite from Madagascar 0.257ct loose
Sale price¥15,800
Zircon Cat's Eye from Sri Lanka 2.087ct Ruth Japanese-German Edition
Sale price¥39,800
Congo Malachite 34.667ct Loose Patch
Sale price¥6,980
Colombian Euclase 1.776ct loose stone
Sale price¥15,800
Madagascar Apatite Cat's Eye 1.644ct Loose Stone
Sale price¥8,800
Madagascar Apatite Cat's Eye 0.909ct Loose Stone
Sale price¥6,980
Madagascar Apatite Cat's Eye 2.496ct Loose Stone
Sale price¥9,800
Brazilian Morganite 0.405ct loose stone
Sale price¥7,980
Brazilian Swiss Blue Topaz 0.889ct Loose Stone
Sale price¥8,800
Brazilian Blue Topaz 1.355ct Loose
Sale price¥8,800
Tanzanite from Tanzania 0.432ct loose stone
Sale price¥12,800
[Dandelion Cut] YAG (Yttrium Aluminum Garnet) 9mm/4.121ct Loose Patch
Sale price¥39,800
Brazilian Bicolor Tourmaline 0.901ct Loose Stone (Rose Cut)
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.