Sierra Leone sapphire 1.470ct loose
Sale price¥9,800
Sillimanite from Sri Lanka 1.586ct loose stone
Sale price¥8,800
Mexican Fire Opal 1.580ct Loose
Sale price¥25,800
Afghanistan Clinozoisite 1.810ct Loose Stone (Phantom Cut)
Sale price¥8,800
Tanzanian Sunstone 1.599ct Loose Stone
Sale price¥9,800
1.476ct loose sphalerite from Spain
Sale price¥29,800
Tanzanian Dragon Garnet 1.019ct Loose Stone
Sale price¥25,800
Star spinel 1.210ct loose
Sale price¥15,800
Bicolor spinel 1.040ct loose (gray/purple)
Sale price¥69,800
Illusion Tourmaline (Iridescent Tourmaline) 1.356ct Loose Stone
Sale price¥39,800
Brazilian Dumortierite in Quartz 1.911ct Loose Stone
Sale price¥8,800
Brazilian Dumortierite in Quartz 1.451ct Loose Stone
Sale price¥8,800
Brazilian Morganite 1.266ct loose stone
Sale price¥29,800
YAG (yttrium aluminum garnet) 1.870ct loose
Sale price¥9,800
Color change Andesine 1.90ct loose
Sale price¥29,800
Color change Andesine 1.67ct loose
Sale price¥25,800
Goethite in quartz 1.020ct loose
Sale price¥2,980
[12560246] Green Zoisite 1.316ct Loose Stone
Sale price¥15,800
Tibetan Andesine 1.449ct Loose Stone
Sale price¥9,800
1.527ct Australian Prehnite Loose Stone
Sale price¥12,800
Bicolor Zoisite 1.785ct loose
Sale price¥49,800
Morganite 1.135ct loose
Sale price¥5,980
Colombian Euclase 1.365ct rough stone
Sale price¥29,800
Synthetic rutile 6.5mm/1.233ct loose stone
Sale price¥12,800
Lavender spinel 1.285ct loose
Sale price¥39,800
Mexican Hyalite Opal 1.587ct Loose
Sale price¥9,800
Brazilian Green Spodumene 1.918ct Loose Stone
Sale price¥9,800
1.139ct Australian Prehnite loose stone
Sale price¥8,800
Bicolor tourmaline 1.440ct loose
Sale price¥9,800
Oregon Sunstone from the United States 1.203ct loose stone
Sale price¥9,800
Paraiba tourmaline from Mozambique 1.481ct loose (CuO:0.3%, MnO:4.3%)
Sale price¥158,000
Mexican Cantera Opal 1.209ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 1.394ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 1.436ct Loose Stone (Rose Cut)
Sale price¥12,800
Cambodian Zircon 1.620ct Loose
Sale price¥15,800
Madagascar Apatite 1.125ct Loose Stone
Sale price¥8,800
Brazilian bicolor tourmaline 1.032ct loose stone
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.