Brazilian green beryl cat's eye 1.022ct loose
Sale price¥8,800
Tanzanian Yellow Apatite 1.639ct Loose Stone
Sale price¥6,980
Oregon Sunstone from the United States 1.203ct loose stone
Sale price¥9,800
Rubellite from Mozambique 0.748ct loose
Sale price¥9,800
Brazilian Apatite Cat's Eye 3.914ct Loose Stone
Sale price¥6,980
Brazilian Topaz Cat's Eye 8.781ct Loose Stone
Sale price¥8,800
Brazilian Topaz Cat's Eye 7.869ct Loose Stone
Sale price¥8,800
[Cat cut] Bankacha sapphire 0.812ct loose stone
Sale price¥9,800
Sri Lankan Purple Sapphire 0.502ct Loose
Sale price¥7,980
Mongolian color change andesine 6.0mm/0.754ct loose stone
Sale price¥8,800
Myanmar Maw Sit Sit (Maw Sissi) 2.206ct loose stone
Sale price¥5,980
Myanmar Maw Sit Sit (Maw Sissi) 2.331ct loose stone
Sale price¥5,980
Mexican Fire Opal 5mm/0.342ct Loose (Contralus Opal)
Sale price¥9,800
Cambodian orange zircon 1.519ct loose stone
Sale price¥9,800
Cambodian orange zircon 1.320ct loose stone
Sale price¥9,800
Cambodian orange zircon 1.249ct loose stone
Sale price¥9,800
Dominican Republic Conch Pearl (with flame pattern) 0.731ct loose
Sale price¥8,800
Dominican Republic Conch Pearl 0.388ct Loose
Sale price¥7,980
Maushitsit (Mawsissi) from Myanmar 5.796ct loose
Sale price¥6,980
Tibetan Andesine 3.300ct Loose Stone
Sale price¥6,980
South African diamond rough stone 0.430ct
Sale price¥9,800
Sri Lankan Star Sapphire 1.028ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 0.533ct Loose
Sale price¥6,980
Sri Lankan Star Sapphire 0.725ct Loose
Sale price¥6,980
Sri Lankan Rhodolite Garnet 0.244ct Loose Stone, Japan-Germany Scale
Sale price¥8,800
Brazilian Swiss Blue Topaz 1.062ct Loose Stone
Sale price¥9,800
Brazilian Swiss Blue Topaz 1.090ct Loose
Sale price¥9,800
Tanzanite from Tanzania 0.237ct loose stone
Sale price¥8,800
Orange calcite 0.740ct loose stone by Nikkei
Sale price¥9,800
Indian Moonstone 3.367ct Loose
Sale price¥9,800
Mexican Hyalite Opal 0.942ct Loose
Sale price¥9,800
Spanish Andalusite 0.657ct loose stone
Sale price¥9,800
Brazilian Aquamarine 0.176ct Loose Stone
Sale price¥8,800
Moldavite from former Czechoslovakia 0.094ct loose stone
Sale price¥6,980
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.