Brazilian Tinkerbell Quartz (Pink Fire Quartz) 6.004ct loose
Sale price¥12,800
Demantoid garnet 15.468ct rough stone from Madagascar
Sale price¥9,800
Demantoid garnet 38.035ct rough stone from Madagascar
Sale price¥9,800
Mangano tantalite from Afghanistan 0.233ct loose
Sale price¥39,800
Sphene from Madagascar 0.498ct loose
Sale price¥6,980
American red beryl 0.143ct loose
Sale price¥15,800
American red beryl 0.115ct loose
Sale price¥12,800
American red beryl 0.208ct loose
Sale price¥22,800
American red beryl 0.141ct loose
Sale price¥14,800
Diamond 0.120ct loose (G, VS2, Excellent H&C)
Sale price¥25,800
Diamond 0.126ct loose (F, VS2, octagonal cut)
Sale price¥22,800
Cambodian Blue Zircon 0.205ct Loose
Sale price¥3,980
Cambodian Blue Zircon 0.204ct Loose
Sale price¥3,980
Cambodian Blue Zircon 0.221ct Loose
Sale price¥3,980
Synthetic moissanite (gray blue) 1.701ct loose
Sale price¥12,800
Cambodian Blue Zircon 0.609ct Loose
Sale price¥5,980
Paraiba tourmaline from Mozambique 0.270ct loose
Sale price¥18,800
Mexican Water Opal 1.790ct Loose (Contralus Opal)
Sale price¥29,800
Paraiba tourmaline from Brazil 0.066ct loose
Sale price¥18,800
Morganite from Nigeria 0.889ct loose
Sale price¥4,980
Synthetic rutile 5mm/0.553ct loose stone
Sale price¥12,800
Synthetic rutile 5.8mm/0.904ct loose stone
Sale price¥12,800
American benitoite 0.097ct loose
Sale price¥24,800
American benitoite 0.101ct loose
Sale price¥25,800
American benitoite 0.127ct loose
Sale price¥28,800
American benitoite 0.133ct loose
Sale price¥29,800
American benitoite 0.102ct loose
Sale price¥22,800
American benitoite 0.098ct loose
Sale price¥25,800
American benitoite 0.187ct loose
Sale price¥39,800
Mint green sapphire 0.348ct loose
Sale price¥9,800
Mint color tourmaline 0.198ct loose
Sale price¥4,980
Mint color tourmaline 0.229ct loose
Sale price¥4,980
Pink tourmaline 0.205ct loose
Sale price¥4,980
Bicolor sapphire from Madagascar 0.252ct loose
Sale price¥9,800
Bicolor sapphire from Madagascar 0.265ct loose
Sale price¥16,800
Bicolor sapphire from Madagascar 0.198ct loose
Sale price¥7,980
Bicolor sapphire from Madagascar 0.212ct loose
Sale price¥7,980
Mexican water opal 0.212ct loose (contrarus opal)
Sale price¥18,800
Yellow sapphire from Sri Lanka 0.222ct loose
Sale price¥9,800
Goshenite 1.620ct loose
Sale price¥15,800
Goshenite 1.989ct loose
Sale price¥18,800
Dendritic Agate 2.964ct loose
Sale price¥8,800
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.