Pakistani sphene 0.489ct loose stone
Sale price¥11,000
Brazilian bicolor tourmaline 0.621ct loose stone
Sale price¥12,800
Zimbabwean Blue Apatite (UV type) 1.189ct loose stone
Sale price¥12,800
[12552081] Unheated Brazilian Paraiba Tourmaline 0.025ct Loose Stone
Sale price¥29,800
[12551692] Colombian Trapiche Emerald 0.538ct Rough Stone
Sale price¥22,800
[12551639] Triplite 0.322ct loose stone
Sale price¥15,800
[Posted 12548489] Cornell pin from Tanzania 0.286ct loose
Sale price¥19,800
[Posted in 12547848] Green tourmaline 0.869ct loose
Sale price¥15,800
[Posted 12546182] Triplite 0.231ct loose
Sale price¥12,800
Andesine 3.430ct loose stone
Sale price¥18,800
Brazilian Alexandrite 0.073ct Ruth (Hemachita Mine)
Sale price¥12,800
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
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
Burmese spinel 0.950ct loose (buff top)
Sale price¥15,800
Mexican Cantera Opal 14.690ct Loose
Sale price¥12,800
[Cat Cut] Brazilian Dendritic Quartz 6.775ct Loose
Sale price¥15,800
Rouge Cut Almandine Garnet from Mozambique, 5.952ct Loose
Sale price¥15,800
Rouge Cut Almandine Garnet from Mozambique, 5.841ct Loose
Sale price¥14,800
Synthetic rutile 1.362ct loose stone
Sale price¥15,800
Mozambique Almandine Garnet 2.959ct Loose Stone
Sale price¥19,800
Mozambique Almandine Garnet 1.652ct Loose Stone
Sale price¥15,800
Mozambique Almandine Garnet 7.7mm/1.781ct Loose Stone
Sale price¥18,800
Tanzanian Dragon Garnet 0.850ct Loose Stone
Sale price¥22,800
Tanzanian Dragon Garnet 0.818ct Loose Stone
Sale price¥22,800
Tanzanian Dragon Garnet 5.0mm/0.767ct Loose Stone
Sale price¥19,800
Tanzanian Dragon Garnet 1.015ct Loose Stone
Sale price¥29,800
Zimbabwean sphene 1.028ct loose stone
Sale price¥25,800
Zimbabwean sphene 0.987ct loose stone
Sale price¥19,800
Zimbabwean sphene 0.978ct loose stone
Sale price¥18,800
Zimbabwean sphene 0.704ct loose stone
Sale price¥14,800
Zimbabwean sphene 0.990ct loose stone
Sale price¥12,800
Zimbabwean sphene 0.726ct loose stone
Sale price¥14,800
[Rouge Cut] Brazilian Dumortierite in Quartz 1.184ct Loose Stone
Sale price¥14,800
Vietnamese aquamarine 1.728ct loose stone
Sale price¥18,800
Nigerian morganite 1.149ct loose stone
Sale price¥19,800
Yellow Diamond 3.4mm/0.165ct Loose (Fancy Vivid Orangy Yellow, SI-2)
Sale price¥29,800
Malawi Bicolor Zircon 0.811ct Loose Stone
Sale price¥29,800
Tanzanian Dragon Garnet 0.710ct Loose Stone
Sale price¥19,800
Australian boulder opal 1.868ct loose
Sale price¥18,800
Australian boulder opal 1.675ct loose
Sale price¥14,800
Italian leucite 0.359ct loose
Sale price¥12,800
Benitoite 0.095ct loose
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.