Pakistani sphene 0.396ct loose stone
Sale price¥9,800
Brazilian bicolor tourmaline 0.621ct loose stone
Sale price¥12,800
Russian Emerald 0.282ct Loose Stone (F1, Minor Enhancement) GIA
Sale price¥128,000
[12551639] Triplite 0.322ct loose stone
Sale price¥15,800
American Benitoite 0.262ct loose stone
Sale price¥128,000
Tanzanian purple sapphire 0.355ct loose stone
Sale price¥9,800
Afghanistan Hackmanite 0.134ct loose stone
Sale price¥6,980
Afghanistan Hackmanite 0.121ct loose stone
Sale price¥6,980
Golden Iolite (Cordierite) from Madagascar 0.193ct loose stone
Sale price¥8,800
Zimbabwean sphene 0.704ct loose stone
Sale price¥14,800
Tanzanian Spessartine Garnet 0.209ct Loose Stone
Sale price¥4,980
Malawi Bicolor Zircon 0.811ct Loose Stone
Sale price¥29,800
Brazilian Bicolor Beryl 0.556ct Loose Stone
Sale price¥29,800
Tanzanian Rhodolite Garnet 0.405ct Loose Stone
Sale price¥6,980
Blue sapphire 4.0mm/0.314ct loose stone
Sale price¥112,800
Zimbabwean Bicolor Euclase 0.183ct Loose Stone
Sale price¥49,800
Tanzanian magnesioaxinite 0.380ct loose stone, Japan-Germany Quantity
Sale price¥39,800
Paraiba tourmaline from Mozambique, 3.5mm/0.172ct loose stone
Sale price¥15,800
Paraiba tourmaline from Mozambique, 3.2mm/0.119ct loose stone
Sale price¥9,800
Zambian emerald 0.135ct loose stone
Sale price¥8,800
Brazilian pink tourmaline 0.234ct loose stone
Sale price¥8,800
Brazilian mint color tourmaline 0.145ct loose stone
Sale price¥8,800
Brazilian green tourmaline 0.194ct loose stone
Sale price¥12,800
Brazilian green tourmaline 0.374ct loose stone
Sale price¥9,800
Pink sapphire 0.179ct loose stone
Sale price¥6,980
0.374ct loose blue sapphire from Madagascar
Sale price¥9,800
0.170ct loose blue sapphire from Madagascar
Sale price¥8,800
Russian emerald 0.249ct loose stone
Sale price¥158,000
Zimbabwean sphene 0.457ct loose stone
Sale price¥8,800
Zimbabwean sphene 0.393ct loose stone
Sale price¥8,800
Zimbabwean sphene 4.0mm/0.276ct loose stone
Sale price¥6,980
American Peridot 0.339ct Loose Stone
Sale price¥6,980
Mexican fire opal (faceted cut) 0.167ct loose stone
Sale price¥8,800
Mexican fire opal (faceted cut) 0.198ct loose stone
Sale price¥8,800
Afghanistan Hackmanite 0.121ct loose stone
Sale price¥8,800
Zimbabwean sphene 0.224ct loose stone
Sale price¥6,980
Brazilian Aquamarine 0.223ct Loose Stone
Sale price¥8,800
Brazilian Aquamarine 0.238ct Loose Stone (Princess Cut)
Sale price¥5,980
Brazilian Aquamarine 0.255ct Loose Stone
Sale price¥6,980
Brazilian Aquamarine 0.239ct Loose Stone (Princess Cut)
Sale price¥8,800
Brazilian Aquamarine 0.228ct Loose Stone
Sale price¥6,980
Brazilian Aquamarine 0.214ct Loose Stone (Princess Cut)
Sale price¥6,980
Tanzanian Rhodolite Garnet 0.391ct Loose Stone
Sale price¥6,980
Tanzanian Kornerupine 0.219ct Loose Stone
Sale price¥29,800
Cambodian Zircon 0.414ct Loose Stone
Sale price¥6,980
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.