Watermelon tourmaline 7.799ct rough stone
Sale price¥11,800
Indian Moonstone 1.946ct Loose
Sale price¥14,800
Mexican Cantera Opal 5.204ct Loose
Sale price¥12,800
Madagascar sapphire 0.377ct loose stone
Sale price¥12,800
Myanmar Ubaite Tourmaline 4.0mm/0.251ct Loose Stone
Sale price¥22,800
Sri Lankan Enstatite 2.567ct Loose Stone, Japan-Germany Exchange
Sale price¥19,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 3.865ct Loose Stone
Sale price¥19,800
Italian Leucite 0.346ct loose stone (play of color)
Sale price¥12,800
Mexican Fire Agate 6.090ct Loose Stone
Sale price¥14,800
Malawi Sapphire 3mm/0.131ct Loose
Sale price¥15,800
Pakistani Clinohumite 1.440ct Loose Stone, Japan-Germany Exchange
Sale price¥29,800
Namibian Jeremejevite 0.307ct loose stone by Nikkei
Sale price¥22,800
Emerald 0.308ct loose stone
Sale price¥14,800
American Benitoite 0.084ct loose stone (colorless Benitoite)
Sale price¥12,800
Brazilian Euclase 0.213ct loose stone (bicolor Euclase)
Sale price¥15,800
Diamond 2.7mm/0.074ct loose (E, SI2, special cut)
Sale price¥18,800
Montana Sapphire 0.152ct loose
Sale price¥12,800
Synthetic Moissanite 11.7mm/5.570ct Loose Stone (Portuguese Cut)
Sale price¥29,800
Italian Leucite 0.338ct loose stone (play of color)
Sale price¥15,800
Tourmaline 1.099ct loose
Sale price¥12,800
Tanzania Bicolor Zoisite 1.608ct Rough Stone
Sale price¥12,800
Tanzania Bicolor Pink Zoisite 5.041ct Rough Stone
Sale price¥12,800
Tanzania Bicolor Pink Zoisite 4.037ct Rough Stone
Sale price¥12,800
Almandine garnet 2.421ct loose
Sale price¥18,800
Congo Carolite 6.2mm/1.481ct Loose Stone Japan-Germany Scale
Sale price¥29,800
YAG (Yttrium Aluminum Garnet) 7mm/1.686ct Loose Stone
Sale price¥12,800
Mexican Cantera Opal 3.297ct Loose
Sale price¥29,800
Italian Leucite 0.374ct loose stone (play of color)
Sale price¥14,800
Mexican Cantera Opal 20.655ct Loose
Sale price¥19,800
Vietnam Aquamarine 1.309ct Loose Stone
Sale price¥12,800
Brazilian Yellow Beryl 11.411ct Loose Stone, Japan-Germany Exchange
Sale price¥25,800
Sri Lankan Moonstone 1.959ct Loose
Sale price¥12,800
Brazilian Flower Rutile in Quartz 3.312ct Loose Stone
Sale price¥15,800
Brazilian Flower Rutile in Quartz 3.066ct Loose Stone
Sale price¥18,800
Synthetic Alexandrite 0.841ct loose stone
Sale price¥15,800
Synthetic Alexandrite 0.578ct loose stone
Sale price¥12,800
Oregon Sunstone from the United States 1.132ct loose stone
Sale price¥15,800
Sri Lankan glass body (sapphire crystal) 6.612ct rough stone
Sale price¥12,800
Sri Lankan glass body (sapphire crystal) 6.836ct rough stone
Sale price¥12,800
Sri Lankan glass body (sapphire crystal) 8.328ct rough stone
Sale price¥25,800
Sri Lankan glass body (sapphire crystal) 10.140ct rough stone
Sale price¥29,800
Sri Lankan glass body (sapphire crystal) 8.812ct rough stone
Sale price¥19,800
Sri Lankan glass body (sapphire crystal) 11.126ct rough stone
Sale price¥29,800
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.