Nigerian Aventurine Aquamarine 0.471ct Loose Stone
Sale price¥6,980
Brazilian Lepidocrocite in Quartz 1.126ct Loose Stone
Sale price¥9,800
Brazilian Morganite 4.720ct loose stone
Sale price¥98,000
Brazilian Paraiba Tourmaline 0.037ct Loose (CuO:1.9%, MnO:2.3%)
Sale price¥29,800
Paraiba Tourmaline from Brazil 0.067 ct loose (CuO: 1.4%, MnO: 2.4%)
Sale price¥39,800
Brazilian Goshenite 0.771ct loose stone
Sale price¥6,980
Brazilian Dolomite 4.070ct Loose Stone, Japan-Germany Mirror
Sale price¥79,800
Brazilian Paraiba Tourmaline 0.821ct rough stone
Sale price¥39,800
Brazilian Alexandrite 0.239ct Loose Gemstone [Listed as 12564071]
Sale price¥45,800
[9/7 10 PM Sale] Brazilian Sky Blue Topaz 3.437ct Loose Stone
Sale price¥9,800
[9/7 22:00 Release] Brazilian Bicolor Tourmaline 1.753ct Loose Stone
Sale price¥29,800
Brazilian pink tourmaline 1.458ct loose stone
Sale price¥39,800
Brazilian copper rutilated quartz 1.334ct loose stone
Sale price¥8,800
Brazilian Tourmaline (untreated) 5.120ct loose stone
Sale price¥39,800
Brazilian Yellow Beryl 11.411ct Loose Stone, Japan-Germany Exchange
Sale price¥25,800
[Lottery Sale 0818_09] Brazilian Dioptase 1.608ct Loose with Certificate
Sale price¥59,800
Brazilian copper rutilated quartz 1.262ct loose stone
Sale price¥6,980
Brazilian copper rutilated quartz 1.647ct loose stone
Sale price¥6,980
Brazilian copper rutilated quartz 1.352ct loose stone
Sale price¥6,980
Brazilian Euclase 0.224ct Loose Stone (Bicolor Euclase)
Sale price¥18,800
Brazilian Euclase 0.213ct loose stone (bicolor Euclase)
Sale price¥12,800
[Published 12562277] Brazilian Marcasite in Quartz Loose Stone 4.188ct
Sale price¥12,800
[12563388 listed] Dioptase from Brazil, 0.894ct loose stone
Sale price¥22,800
[12563744 listed] Bi-color Tourmaline from Brazil 1.153ct Loose Stone
Sale price¥12,800
[Listed as 12563729] Brazilian Indicolite Tourmaline 0.389ct Loose
Sale price¥38,800
[Posted as 12563742] Brazilian Bicolor Tourmaline, 1.524 ct loose stone
Sale price¥18,800
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.