Brazilian Indigolite Tourmaline 6.052ct Loose Stone JTL
Sale price¥158,000
Brazilian Indigolite Tourmaline 1.616ct Loose Stone JTL
Sale price¥69,800
Brazilian bicolor euclase 0.233ct loose stone
Sale price¥24,800
Brazilian bicolor euclase 0.212ct loose stone
Sale price¥15,800
Brazilian bicolor euclase 0.239ct loose stone
Sale price¥18,800
Brazilian bicolor euclase 0.168ct loose stone
Sale price¥25,800
Brazilian bicolor euclase 0.157ct loose stone
Sale price¥14,800
Brazilian bicolor euclase 0.291ct loose stone
Sale price¥15,800
Brazilian Euclase 0.117ct Loose Stone
Sale price¥12,800
Brazilian bicolor euclase 0.572ct loose stone
Sale price¥24,800
Sri Lankan Goethite Topaz 4.992ct Loose Stone
Sale price¥14,800
Green tourmaline 1.190ct loose stone
Sale price¥98,000
[Koshu Precious Stone Cutting Pluethree] Yellow Beryl 0.880ct Loose
Sale price¥29,800
Oregon Sunstone from the United States 6.0mm/0.844ct loose stone
Sale price¥25,800
Tanzanite from Tanzania 1.162ct loose stone
Sale price¥39,800
Tanzanite from Tanzania 0.767ct loose stone
Sale price¥29,800
Brazilian Green Tourmaline 1.333ct Loose Stone
Sale price¥49,800
Brazilian Green Tourmaline 2.907ct Loose Stone
Sale price¥98,000
Brazilian Green Tourmaline 0.935ct Loose Stone
Sale price¥45,800
Brazilian Green Tourmaline 1.193ct Loose Stone
Sale price¥49,800
Brazilian Green Tourmaline 11.453ct Loose Stone
Sale price¥158,000
Brazilian Green Tourmaline 9.495ct Loose
Sale price¥128,000
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.365ct Loose Stone
Sale price¥18,800
Brazilian Green Tourmaline 4.374ct Loose Stone
Sale price¥98,000
Bicolor Benitoite 0.601ct Loose Japanese-German Edition
Sale price¥458,000
Nigerian Green Beryl 1.349ct Loose Stone
Sale price¥98,000
Tanzania Pink Zoisite 5.8mm/0.848ct Loose Stone
Sale price¥198,000
Madagascar Grandidierite 0.521ct loose stone
Sale price¥128,000
Brazilian parti-color tourmaline 2.702ct loose stone
Sale price¥69,800
Australian black opal 9.709ct loose stone
Sale price¥158,000
Czech Aragonite 8.0mm/2.082ct Loose Stone
Sale price¥69,800
Brazilian Rubellite 3.845ct loose stone
Sale price¥198,000
Indian Rainbow Quartz (Iridescent Quartz) 0.940ct Loose Stone
Sale price¥158,000
Diamond 0.128ct loose stone (cabochon cut, maroon cut)
Sale price¥39,800
Spanish Andalusite 0.776ct loose stone
Sale price¥11,800
Spanish Sphalerite 8mm/2.796ct loose stone
Sale price¥69,800
Colombian pyrite-mica emerald 0.739ct loose stone
Sale price¥36,800
Colombian pyrite-mica emerald 0.628ct loose stone
Sale price¥35,800
Brazilian Rubellite 1.027ct Loose Stone
Sale price¥69,800
Brazilian Paraiba Tourmaline 0.230ct Loose GIA (CuO: 0.9%, MnO: 1.1%)
Sale price¥158,000
Tanzanian Kornerupine 0.202ct loose stone
Sale price¥18,800
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.