Unheated Pigeon Blood Ruby from Myanmar, 0.640ct Loose, AIGS
Sale price¥258,000
Sri Lankan purple spinel 1.060ct loose stone
Sale price¥98,000
Madagascar Bicolor Sapphire 0.633ct Loose
Sale price¥39,800
Greenland Ruby 0.360ct Loose Stone with Certificate
Sale price¥69,800
Mozambique Rhodolite Garnet 0.835ct Loose Stone
Sale price¥12,800
Tibetan Andesine 0.361ct Loose Stone
Sale price¥8,800
Madagascar Labradorite 0.546ct Loose Stone
Sale price¥7,980
Mexican Opal (Faceted) 0.242ct Loose
Sale price¥8,800
Brazilian bicolor tourmaline 1.965ct loose stone
Sale price¥18,800
Cassiterite 4.2mm/0.676ct Loose Stone with Certificate of Authenticity
Sale price¥16,800
Sri Lankan star sapphire 1.093ct loose
Sale price¥8,800
Brazilian London Blue Topaz 0.415ct Loose Stone
Sale price¥6,980
Brazilian Morganite 0.484ct loose stone
Sale price¥12,800
Sri Lankan Peristerite 0.272ct Loose Stone
Sale price¥11,000
Brazilian bicolor tourmaline 1.449ct loose stone
Sale price¥19,800
Cambodian colorless zircon 0.630ct loose stone
Sale price¥8,800
Australian Opal 0.374ct Loose
Sale price¥6,980
0.597ct Green Apatite Loose Stone from Madagascar
Sale price¥6,980
Zimbabwean sphene 0.987ct loose stone
Sale price¥19,800
Zimbabwean sphene 0.978ct loose stone
Sale price¥18,800
Zimbabwean sphene 0.726ct loose stone
Sale price¥14,800
Malawi Bicolor Zircon 1.661ct Loose Stone
Sale price¥59,800
Zimbabwean sphene 0.665ct loose stone
Sale price¥12,800
Blue sapphire 4.1mm/0.332ct loose stone
Sale price¥25,800
Blue sapphire 0.291ct loose stone
Sale price¥18,800
Zimbabwean sphene 0.756ct loose stone
Sale price¥18,800
Zimbabwean sphene 0.850ct loose stone
Sale price¥19,800
Zimbabwean sphene 1.170ct loose stone
Sale price¥22,800
Zimbabwean sphene 0.751ct loose stone
Sale price¥16,800
Brazilian Swiss Blue Topaz 1.065ct Loose Stone
Sale price¥11,000
American Anthill Garnet 0.822ct Loose Stone
Sale price¥19,800
Brazilian Indigolite Tourmaline 0.609ct Loose Stone JTL
Sale price¥25,800
Brazilian Imperial Topaz 0.563ct Loose Stone
Sale price¥15,800
Tanzanian Rhodolite Garnet 0.801ct Loose Stone
Sale price¥9,800
1.476ct loose sphalerite from Spain
Sale price¥29,800
Tanzanian Dragon Garnet 0.977ct Loose Stone
Sale price¥27,800
Colombian mint-colored emerald 0.214ct loose stone
Sale price¥8,800
Congo Pink Tourmaline 5.0mm/0.463ct Loose Stone
Sale price¥24,800
Brazilian Dumortierite in Quartz 0.978ct Loose Stone
Sale price¥12,800
Brazilian Bicolor Imperial Topaz 0.981ct Loose Stone
Sale price¥79,800
Cornflower blue sapphire 0.490ct loose stone
Sale price¥98,000
Colombian mint-colored emerald, 4.3mm/0.306ct loose stone
Sale price¥8,800
Myanmar Leuco Garnet 4.0mm/0.371ct Loose Stone
Sale price¥39,800
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.