Russian Alexandrite 0.088ct loose stone
Sale price¥59,800
Russian Alexandrite 0.058ct loose stone
Sale price¥49,800
Greenland Ruby 3.6mm/0.220ct Loose Stone with Certificate
Sale price¥39,800
Greenland Ruby 3.6mm/0.210ct Loose Stone with Certificate
Sale price¥45,800
Greenland Ruby 3.0mm/0.134ct Loose Stone with Certificate
Sale price¥25,800
Pakistani sphene 0.489ct loose stone
Sale price¥11,000
Pakistani sphene 0.396ct loose stone
Sale price¥9,800
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
[12552618] Unheated Brazilian Paraiba Tourmaline 0.063ct loose stone
Sale price¥65,800
Russian Emerald 0.387ct Loose Stone (F1, Minor Enhancement) GIA
Sale price¥128,000
Russian Emerald 0.282ct Loose Stone (F1, Minor Enhancement) GIA
Sale price¥128,000
[12551639] Triplite 0.322ct loose stone
Sale price¥15,800
[Posted in 12548907] Yellow tourmaline 0.469ct loose
Sale price¥8,800
[Posted 12548489] Cornell pin from Tanzania 0.286ct loose
Sale price¥19,800
[12547847 published] Bicolor tourmaline 0.398ct loose
Sale price¥8,800
[Posted 12546182] Triplite 0.231ct loose
Sale price¥12,800
American Benitoite 0.262ct loose stone
Sale price¥128,000
Euclase from Zimbabwe 0.409ct loose
Sale price¥45,800
Brazilian Alexandrite 0.099ct Ruth (Hemachita Mine)
Sale price¥19,800
Brazilian Alexandrite 0.097ct Ruth (Hemachita Mine)
Sale price¥22,800
Brazilian Alexandrite 0.098ct Ruth (Hemachita Mine)
Sale price¥22,800
Grandidierite 0.206ct loose
Sale price¥22,800
Brazilian Paraiba tourmaline 0.370ct loose (CuO:1.0%, MnO:1.2%)
Sale price¥59,800
Jeremejevite from Namibia 0.056ct loose
Sale price¥12,800
Jeremejevite from Namibia 0.064ct loose
Sale price¥12,800
Paraiba tourmaline from Mozambique 0.266ct loose
Sale price¥25,800
Bicolor tanzanite 0.492ct raw stone from Tanzania
Sale price¥6,980
Bicolor tourmaline 0.418ct loose
Sale price¥3,980
Hemimorphite from Congo 0.432ct loose
Sale price¥6,980
Tanzanian purple sapphire 0.355ct loose stone
Sale price¥9,800
Australian Opal 0.374ct Loose
Sale price¥6,980
Afghanistan Hackmanite 0.134ct loose stone
Sale price¥6,980
Afghanistan Hackmanite 0.121ct loose stone
Sale price¥6,980
Brazilian pink tourmaline 0.385ct loose stone
Sale price¥7,980
Golden Iolite (Cordierite) from Madagascar 0.193ct loose stone
Sale price¥8,800
Tanzanian Sunstone (Illusion Sunstone) 5.0mm/0.338ct Loose Stone
Sale price¥8,800
Tanzanian Spessartine Garnet 0.209ct Loose Stone
Sale price¥4,980
Zimbabwean Bicolor Euclase 0.146ct Loose Stone
Sale price¥35,800
American Benitoite 2.2mm/0.270ct Loose Stone (Gradation Set)
Sale price¥69,800
Italian leucite 0.130ct loose
Sale price¥8,800
Sri Lankan white sapphire 2.9mm/0.086ct loose (rose cut)
Sale price¥3,980
Benitoite 0.095ct loose
Sale price¥18,800
Red spinel 0.195ct loose
Sale price¥5,980
Benitoite 2.7mm/0.114ct loose
Sale price¥25,800
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.