Indian Moonstone 6.2mm/0.749ct Loose
Sale price¥7,980
Brazilian rutilated quartz (rutile quartz) 12mm/7.140ct loose stone
Sale price¥9,800
Brazilian rutilated quartz (rutile quartz) 12mm/6.709ct loose stone
Sale price¥9,800
Oregon Sunstone from the United States 2.467ct loose stone
Sale price¥9,800
Sri Lankan Chrysoberyl Cat's Eye 0.532ct Loose Stone
Sale price¥5,980
Brazilian bicolor tourmaline 0.763ct loose stone
Sale price¥7,980
Colombian Trapiche Emerald 1.341ct Loose
Sale price¥6,980
Tanzanian bicolor tanzanite 3.018ct rough and loose stone set of 2
Sale price¥6,980
Madagascar sapphire 3.0mm/0.126ct loose stone
Sale price¥8,800
Burmese Ruby 0.239ct Loose
Sale price¥9,800
Emerald 0.156ct loose stone
Sale price¥8,800
Color shift amethyst 1.216ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 0.450ct Loose Stone
Sale price¥9,800
Tanzanite from Tanzania 0.478ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.351ct loose stone
Sale price¥9,800
Brazilian Morganite 1.296ct loose stone
Sale price¥8,800
Montana Sapphire 3.7mm/0.272ct Loose Stone (Blue Sapphire)
Sale price¥9,800
Hokkaido Opal 12.492ct Loose Patch
Sale price¥7,980
Brazilian Quartz 13.991ct Loose Patch
Sale price¥9,800
Australian Green Opal 4.990ct Loose
Sale price¥9,800
Brazilian bicolor tourmaline 0.582ct loose stone
Sale price¥6,980
YAG (Yttrium Aluminum Garnet) 7.0mm/1.772ct loose stone
Sale price¥9,800
Brazilian bicolor tourmaline 1.209ct loose stone
Sale price¥9,800
Sri Lankan Chrysoberyl Cat's Eye 0.519ct Loose Stone
Sale price¥8,800
Myanmar pink spinel 0.344ct loose stone
Sale price¥8,800
Tanzanite from Tanzania 0.298ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.250ct loose stone
Sale price¥7,980
Tanzania Bicolor Zoisite 0.320ct Loose Stone
Sale price¥7,980
Tanzanite from Tanzania 0.321ct loose stone
Sale price¥6,980
Tanzanite from Tanzania 0.250ct loose stone
Sale price¥8,800
Brazilian Green Tourmaline 0.764ct Loose Stone
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.344ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.300ct Loose
Sale price¥8,800
Brazilian bicolor tourmaline 0.675ct loose stone
Sale price¥9,800
Brazilian Pink Tourmaline 0.448ct Loose Stone
Sale price¥8,800
Mexican Yellow Opal 0.673ct Loose
Sale price¥8,800
Mexican Yellow Opal 0.428ct Loose
Sale price¥8,800
Kyanite 1.042ct loose (commonly known as Paraiba color kyanite)
Sale price¥8,800
Hackmanite from Afghanistan, 15.600ct rough stone
Sale price¥8,800
Brazilian Romanesite in Quartz 4.331ct Loose Stone
Sale price¥9,800
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.