Brazilian Medusa Quartz (Paraiba Quartz) 1.181ct loose
Sale price¥3,980
Australian boulder opal 1.156ct loose
Sale price¥3,980
Australian boulder opal 1.173ct loose
Sale price¥5,980
Brazilian Petalite 1.197ct Loose Stone
Sale price¥7,980
Mexican Cantera Opal 1.120ct Loose
Sale price¥8,800
Mozambique Almandine Garnet 1.652ct Loose Stone
Sale price¥15,800
Mozambique Almandine Garnet 7.7mm/1.781ct Loose Stone
Sale price¥18,800
[Rouge Cut] Brazilian Dumortierite in Quartz 1.184ct Loose Stone
Sale price¥14,800
[Rouge Cut] Brazilian Dumortierite in Quartz 1.493ct Loose Stone
Sale price¥9,800
Vietnamese aquamarine 1.728ct loose stone
Sale price¥18,800
Malawi Bicolor Zircon 1.661ct Loose Stone
Sale price¥59,800
Australian boulder opal 1.868ct loose
Sale price¥18,800
Australian boulder opal 1.675ct loose
Sale price¥14,800
[Camellia cut] Mexican fire opal 1.270ct loose with patch
Sale price¥98,000
YAG (yttrium aluminum garnet) 1.792ct loose
Sale price¥12,800
YAG (Yttrium Aluminum Garnet) 6.5mm/1.774ct loose stone
Sale price¥12,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.490ct Loose (Faceted)
Sale price¥35,800
Tanzanian Bicolor Grossular Garnet 1.359ct Loose Stone
Sale price¥49,800
Zimbabwean sphene 1.170ct loose stone
Sale price¥22,800
Tanzanian Bicolor Zoisite 1.006ct Loose Stone
Sale price¥55,800
Tanzanian bicolor zoisite 1.327ct loose stone
Sale price¥59,800
Brazilian Swiss Blue Topaz 1.065ct Loose Stone
Sale price¥11,000
1.008ct Tanzanian orange zircon loose stone
Sale price¥9,800
Bicolor star sapphire from Myanmar 1.190ct loose (pink sapphire)
Sale price¥25,800
Sierra Leone sapphire 1.210ct loose
Sale price¥7,980
Sierra Leone sapphire 1.470ct loose
Sale price¥9,800
Sillimanite from Sri Lanka 1.586ct loose stone
Sale price¥8,800
Mexican Opal 8mm/1.430ct Loose
Sale price¥25,800
Mexican Fire Opal 1.580ct Loose
Sale price¥25,800
Fire opal 1.360ct loose
Sale price¥9,800
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
Royal blue sapphire 1.220ct loose stone
Sale price¥298,000
[12560246] Green Zoisite 1.316ct Loose Stone
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.