Bicolor Andesine 6mm/0.824ct loose (color shift)
Sale price¥12,800
Bicolor Andesine 6mm/0.852ct loose (color shift)
Sale price¥12,800
Tanzanian Almandine Garnet 1.564ct Loose Stone
Sale price¥12,800
Tanzanian Rhodolite Garnet 3.486ct Loose Stone
Sale price¥24,800
Tanzanian Almandine Garnet 2.972ct Loose Stone
Sale price¥18,800
Hemimorphite 34.490ct loose
Sale price¥55,800
Bicolor tanzanite 0.479ct loose
Sale price¥18,800
Bicolor Andesine 6mm/0.783ct loose (color shift)
Sale price¥12,800
Unheated silky pink sapphire from Vietnam 0.426ct loose
Sale price¥9,800
Montana Sapphire 3mm/0.155ct loose
Sale price¥18,800
Green sapphire 0.518ct loose (teal green)
Sale price¥8,800
Oregon Sunstone from the United States, 4.678ct loose stone
Sale price¥69,800
Afghanistan Hackmanite 0.177ct loose stone
Sale price¥14,800
Tanzanian Rhodolite Garnet 5.3mm/0.903ct Loose Stone
Sale price¥9,800
Greenland Ruby 0.360ct Loose Stone with Certificate
Sale price¥69,800
Madagascar Bicolor Sapphire 0.278ct Loose
Sale price¥8,800
[12545123 published] Yellow Beryl 0.696ct loose
Sale price¥3,980
Brazilian bicolor tourmaline 2.047ct loose
Sale price¥29,800
Madeira Citrine 7mm/0.938ct loose
Sale price¥3,980
Bicolor tourmaline 22.088ct loose
Sale price¥298,000
Madagascar Bicolor Sapphire 0.324ct Loose
Sale price¥9,800
Brazilian Kasharai Amethyst 0.314ct Loose Stone
Sale price¥9,800
Tanzanite from Tanzania 0.342ct loose stone
Sale price¥7,980
Tanzanite from Tanzania 0.342ct loose stone
Sale price¥7,980
Brazilian bicolor tourmaline 4.497ct loose stone
Sale price¥69,800
Sri Lankan pink zircon 1.991ct loose stone
Sale price¥29,800
Brazilian Swiss Blue Topaz 13.287ct Loose Stone
Sale price¥18,800
Tibetan Andesine 2.769ct Loose Stone (Pixel Cut)
Sale price¥9,800
Felspar 1.939ct loose from Sri Lanka
Sale price¥5,980
Greenland Ruby 0.253ct Loose Stone with Certificate
Sale price¥49,800
Greenland Ruby 0.266ct Loose Stone with Certificate
Sale price¥22,800
Tanzanian Almandine Garnet 0.750ct Loose Stone
Sale price¥9,800
Australian boulder opal 3.695ct loose
Sale price¥14,800
Dioptase from Namibia 3.3mm/0.162ct loose Japanese-German edition
Sale price¥79,800
Australian boulder opal 2.470ct loose
Sale price¥7,980
Sri Lankan star sapphire 2.094ct loose
Sale price¥12,800
Pink tourmaline 0.516ct loose
Sale price¥5,980
American red beryl 2.9mm/0.094ct loose
Sale price¥29,800
Blue tourmaline from Afghanistan 4.5mm/0.326ct loose
Sale price¥7,980
Madagascar sphene 1.864ct loose stone
Sale price¥45,800
Bicolor Andesine 6mm/0.756ct loose
Sale price¥12,800
Dioptase from Namibia 0.229ct loose Japanese-German book
Sale price¥69,800
YAG (Yttrium Aluminum Garnet) 7mm/1.775ct Loose Stone
Sale price¥9,800
Felspar 2.993ct loose from Sri Lanka
Sale price¥6,980
Colombian pyrite in emerald 4.592ct loose
Sale price¥110,000
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.