Brazilian Dendritic Agate 0.735ct Loose Stone
Sale price¥7,980
Brazilian Blue Apatite 5.5mm/0.805ct Loose Stone
Sale price¥9,800
Brazilian Green Tourmaline 4.0mm/0.236ct Loose Stone
Sale price¥9,800
Spanish Sphalerite 5.3mm/1.009ct loose stone
Sale price¥6,980
Brazilian London Blue Topaz 0.985ct Loose
Sale price¥8,800
Brazilian London Blue Topaz 0.966ct Loose Stone
Sale price¥8,800
Brazilian Sky Blue Topaz 1.256ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 6.4mm/1.225ct Loose Stone
Sale price¥9,800
Vietnam Aquamarine 4.5mm/0.319ct Loose Stone
Sale price¥7,980
Vietnam Aquamarine 5.6mm/0.577ct Loose Stone
Sale price¥6,980
Nigerian Morganite 0.349ct loose stone
Sale price¥8,800
Nigerian Morganite 0.381ct loose stone
Sale price¥5,980
Nigerian Morganite 0.397ct loose stone
Sale price¥5,980
Sri Lankan Blue Spinel 0.153ct Loose Stone
Sale price¥8,800
Spanish Sphalerite 5.1mm/0.928ct loose stone
Sale price¥5,980
Spanish Sphalerite 5.9mm/1.132ct loose stone
Sale price¥6,980
Spanish Sphalerite 5.9mm/1.498ct loose stone
Sale price¥8,800
Spanish Sphalerite 6.3mm/1.771ct loose stone
Sale price¥8,800
Tanzanite 0.513ct loose stone (sugarloaf cut) from Tanzania
Sale price¥9,800
Myanmar Purple Spinel 0.311ct Loose Stone
Sale price¥8,800
Blue beryl (Macis beryl) 0.172ct loose stone
Sale price¥8,800
Madagascar Yellow Sapphire 0.493ct Loose
Sale price¥9,800
Unheated Sri Lankan purple sapphire 0.986ct loose stone
Sale price¥9,800
Australian Rainbow Lattice Sunstone 0.633ct Loose Stone
Sale price¥8,800
Australian Rainbow Lattice Sunstone 0.795ct Loose Stone
Sale price¥8,800
Australian Rainbow Lattice Sunstone 0.879ct Loose Stone
Sale price¥9,800
Sri Lankan Star Sapphire 5.0mm/0.899ct Loose
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.297ct Loose
Sale price¥8,800
Mozambique Almandine Garnet 1.359ct Loose Stone
Sale price¥9,800
Tanzania Peristerite 0.461ct loose stone
Sale price¥9,800
Brazilian Alexandrite 0.052ct loose stone
Sale price¥9,800
Sri Lankan Star Sapphire 5.0mm/0.892ct Loose Stone
Sale price¥9,800
Mongolian color change andesine 0.717ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.432ct loose stone
Sale price¥9,800
Hollandite in Amethyst 3.048ct loose stone
Sale price¥9,800
Brazilian Medusa Quartz (Paraiba Quartz) 2.147ct loose stone
Sale price¥6,980
Brazilian Medusa Quartz (Paraiba Quartz) 2.117ct loose stone
Sale price¥6,980
Madagascar Purple Sapphire 0.311ct Loose Stone
Sale price¥9,800
Brazilian bicolor tourmaline 0.891ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.269ct loose stone
Sale price¥9,800
Bicolor Fluorite 6.210ct Loose
Sale price¥9,800
Oregon Sunstone from the United States 0.554ct loose stone
Sale price¥7,980
Brazilian Rainbow Scapolite 0.938ct Loose Stone
Sale price¥8,800
Nepalese Kyanite 0.793ct loose stone
Sale price¥6,980
Brazilian Limonite in Beryl 2.975ct loose stone
Sale price¥5,980
Oregon Sunstone from the United States 1.198ct loose stone
Sale price¥8,800
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.
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.