Diamond 0.061ct loose (trapeze cut, VS class equivalent)
Sale price¥7,980
Diamond 0.042ct loose (trapeze cut, VS class equivalent)
Sale price¥6,980
Diamond 0.039ct loose (trapeze cut, equivalent to VS class)
Sale price¥5,980
Moldavite from the former Czechoslovakia, 0.097ct loose stone
Sale price¥8,800
Moldavite from the former Czechoslovakia, 0.095ct loose stone
Sale price¥8,800
Russian Alexandrite 0.083ct loose stone
Sale price¥69,800
Russian Alexandrite 0.049ct loose stone
Sale price¥49,800
Russian Alexandrite 2/5mm/0.070ct Loose Stone
Sale price¥59,800
German Awinite 0.063ct loose stone
Sale price¥29,800
German Apatite 0.073ct loose stone
Sale price¥32,800
Moldavite from the former Czechoslovakia, 0.090ct loose stone
Sale price¥9,800
Bicolor Euclase from Zimbabwe 0.084ct loose
Sale price¥98,000
Brazilian Alexandrite 0.097ct Loose Stone (Emerald Cut)
Sale price¥38,800
Russian Demantoid Garnet (Horsetail) 2.5mm/0.079ct Loose Stone
Sale price¥12,800
German Auchenite 0.095ct loose stone
Sale price¥39,800
German Auchenite 0.085ct loose stone
Sale price¥45,800
German Auchenite 0.083ct loose stone
Sale price¥45,800
[12552640] Unheated Brazilian Paraiba Tourmaline 0.073ct loose stone
Sale price¥49,800
[12552618] Unheated Brazilian Paraiba Tourmaline 0.063ct loose stone
Sale price¥49,800
Brazilian Alexandrite 0.099ct Ruth (Hemachita Mine)
Sale price¥19,800
Jeremejevite from Namibia 0.064ct loose
Sale price¥12,800
Benitoite 0.095ct loose
Sale price¥18,800
[Posted 32501454] Pink Diamond 0.051ct Loose (FANCY LIGHT PINK, SI-2)
Sale price¥39,800
Brazilian alexandrite 0.060ct loose
Sale price¥14,800
Brazilian Paraiba Tourmaline 0.039ct Loose Stone (CuO: 2.0%, MnO: 2.3%)
Sale price¥45,800
[12554117] Brazilian Alexandrite 0.058ct loose stone
Sale price¥14,800
German Apatite 0.097ct loose stone
Sale price¥39,800
Brazilian alexandrite 0.091ct loose
Sale price¥15,800
0.060ct loose, oil-free emerald from Madagascar, GIA
Sale price¥69,800
Benitoite 0.091ct loose
Sale price¥22,800
Red beryl 0.096ct loose
Sale price¥22,800
Montana Sapphire 1.9mm/0.033ct loose
Sale price¥4,980
Montana Sapphire 2.8mm/0.098ct Loose Stone (Yellow)
Sale price¥6,980
Tanzanian Kornerupine 0.084ct Loose Stone
Sale price¥22,800
Moldavite from former Czechoslovakia 0.094ct loose stone
Sale price¥6,980
American Benitoite 0.051ct loose stone (princess cut)
Sale price¥15,800
Opal 0.123ct loose stone
Sale price¥5,980
[Rouge cut] Mozambique almandine garnet 0.954ct loose stone
Sale price¥9,800
[Rouge cut] Mozambique almandine garnet 0.904ct loose stone
Sale price¥9,800
Moldavite from former Czechoslovakia 0.051ct loose stone
Sale price¥7,980
Brazilian Alexandrite 0.091ct loose stone (princess cut)
Sale price¥22,800
Brazilian Alexandrite 0.056ct loose stone
Sale price¥22,800
Brazilian Alexandrite 0.054ct Loose Stone (Emerald Cut)
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.