Paraiba tourmaline from Mozambique 0.154ct loose stone
Sale price¥19,800
Tanzanian Dragon Garnet 1.019ct Loose Stone
Sale price¥25,800
Tanzanian Dragon Garnet 0.977ct Loose Stone
Sale price¥27,800
Colombian emerald 0.101ct loose stone
Sale price¥15,800
1.476ct loose sphalerite from Spain
Sale price¥29,800
Brazilian Imperial Topaz 0.563ct Loose Stone
Sale price¥15,800
Brazilian Green Spodumene 2.029ct Loose Stone
Sale price¥12,800
Tanzanian Almandine Garnet 2.992ct Loose Stone, Japan-Germany Exchange
Sale price¥15,800
Sri Lankan saffron 0.116ct loose stone with certificate of authenticity
Sale price¥25,800
Silky pink spinel from Mozambique 0.610ct loose
Sale price¥18,800
American Anthill Garnet 0.822ct Loose Stone
Sale price¥19,800
Brazilian Bicolor Beryl 0.556ct Loose Stone
Sale price¥29,800
Synthetic Alexandrite 5.7mm/0.827ct Loose Stone
Sale price¥19,800
Brazilian Swiss Blue Topaz 1.065ct Loose Stone
Sale price¥11,000
Mongolian Bicolor Andesine 0.944ct Loose Stone
Sale price¥15,800
Zimbabwean sphene 0.751ct loose stone
Sale price¥16,800
Zimbabwean sphene 1.170ct loose stone
Sale price¥22,800
Zimbabwean sphene 0.850ct loose stone
Sale price¥19,800
Zimbabwean sphene 0.756ct loose stone
Sale price¥18,800
South African Sugilite 5.2mm/0.434ct Loose Stone (Rose Cut)
Sale price¥18,800
Blue sapphire 0.291ct loose stone
Sale price¥18,800
Blue sapphire 4.1mm/0.332ct loose stone
Sale price¥25,800
Zimbabwean sphene 0.665ct loose stone
Sale price¥12,800
Mexican Opal 8mm/1.430ct Loose
Sale price¥25,800
Mexican Fire Opal 1.580ct Loose
Sale price¥25,800
[12554117] Brazilian Alexandrite 0.058ct loose stone
Sale price¥14,800
YAG (yttrium aluminum garnet) 1.792ct loose
Sale price¥12,800
Brazilian alexandrite 0.060ct loose
Sale price¥14,800
Benitoite 2.7mm/0.114ct loose
Sale price¥25,800
Myanmar Pink Spinel 0.650ct Loose
Sale price¥16,800
Sphene from Madagascar 0.765ct loose
Sale price¥15,800
Benitoite 0.095ct loose
Sale price¥18,800
Australian boulder opal 1.675ct loose
Sale price¥14,800
Australian boulder opal 1.868ct loose
Sale price¥18,800
Vietnamese aquamarine 1.728ct loose stone
Sale price¥18,800
[Rouge Cut] Brazilian Dumortierite in Quartz 1.184ct Loose Stone
Sale price¥14,800
Zimbabwean sphene 0.726ct loose stone
Sale price¥14,800
Zimbabwean sphene 0.704ct loose stone
Sale price¥14,800
Zimbabwean sphene 0.978ct loose stone
Sale price¥18,800
Zimbabwean sphene 0.987ct loose stone
Sale price¥19,800
Mozambique Almandine Garnet 7.7mm/1.781ct Loose Stone
Sale price¥18,800
Mozambique Almandine Garnet 1.652ct Loose Stone
Sale price¥15,800
Mozambique Almandine Garnet 2.959ct Loose Stone
Sale price¥19,800
Rouge Cut Almandine Garnet from Mozambique, 5.841ct Loose
Sale price¥14,800
Rouge Cut Almandine Garnet from Mozambique, 5.952ct Loose
Sale price¥15,800
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.