American benitoite 0.101ct loose
Sale price¥28,800
American benitoite 0.127ct loose
Sale price¥35,800
American benitoite 0.133ct loose
Sale price¥37,800
American benitoite 0.102ct loose
Sale price¥28,800
American benitoite 0.098ct loose
Sale price¥25,800
American benitoite 0.187ct loose
Sale price¥48,800
Jeremejevite from Namibia 0.041ct loose
Sale price¥8,800
Jeremejevite from Namibia 0.145ct loose (contains iron oxide)
Sale price¥19,800
Bicolor star sapphire from Myanmar 1.340ct loose
Sale price¥35,800
Oregon Sunstone 2.528ct loose
Sale price¥29,800
Oregon Sunstone 11.5mm/4.525ct Loose Stone (Vortex Cut)
Sale price¥19,800
Pink sapphire 0.881ct loose
Sale price¥18,800
Russian demantoid garnet cat's eye (horsetail recognized) 0.171ct loose
Sale price¥22,800
Russian demantoid garnet cat's eye (horsetail recognized) 0.222ct loose
Sale price¥29,800
Pink spinel 0.848ct loose stone 6.6mm
Sale price¥12,800
Pink diamond 0.063ct loose (FANCY INTENSE PURPLE PINK, I-1)
Sale price¥138,000
Mint green sapphire 0.348ct loose
Sale price¥12,800
Mint color tourmaline 0.115ct loose
Sale price¥5,980
Mint color tourmaline 0.198ct loose
Sale price¥5,980
Mint color tourmaline 0.229ct loose
Sale price¥5,980
Pink tourmaline 0.205ct loose
Sale price¥5,980
Bicolor sapphire from Madagascar 0.252ct loose
Sale price¥14,800
Bicolor sapphire from Madagascar 0.265ct loose
Sale price¥16,800
Bicolor sapphire from Madagascar 0.259ct loose
Sale price¥9,800
Bicolor sapphire from Madagascar 0.198ct loose
Sale price¥9,800
Bicolor sapphire from Madagascar 0.212ct loose
Sale price¥9,800
Mexican water opal 0.212ct loose (contrarus opal)
Sale price¥39,800
Yellow sapphire from Sri Lanka 0.222ct loose
Sale price¥12,800
Goshenite 1.620ct loose
Sale price¥22,800
Goshenite 1.989ct loose
Sale price¥25,800
Dendritic Agate 2.964ct loose
Sale price¥15,800
Diaspore 1.209ct loose from Türkiye
Sale price¥21,800
Diaspore from Türkiye 0.858ct loose
Sale price¥21,800
Diaspore from Türkiye 0.636ct loose
Sale price¥15,800
Brazilian kyanite in quartz 13.740ct loose
Sale price¥45,800
Brazilian kyanite in quartz 4.770ct loose
Sale price¥16,800
Chinese aragonite 36.409ct loose with patch
Sale price¥7,980
Brazilian Trapichea Amethyst 24.772ct loose with patch
Sale price¥8,800
Tourmaline cat's eye 0.910ct loose
Sale price¥6,980
Sphene from Madagascar 1.899ct loose
Sale price¥24,800
Sphene from Madagascar 1.476ct loose
Sale price¥18,800
Montebrasite 0.373ct loose
Sale price¥9,800
Opal 6mm/0.595ct loose (rose cut)
Sale price¥9,800
Brazilian dumortierite in quartz 3.901ct loose
Sale price¥19,800
Brazilian Medusa Quartz (Paraiba Quartz) 6.954ct loose
Sale price¥17,800
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.