Madagascar Iolite 2.272ct loose stone
Sale price¥19,800
Synthetic Alexandrite 0.560ct loose stone
Sale price¥14,800
Oligoclase Sunstone 15mm/10.593ct Loose
Sale price¥15,800
Brazilian Green Spodumene 1.997ct Loose Stone
Sale price¥12,800
Afghanistan diaspore 0.215ct loose stone
Sale price¥12,800
Brazilian bicolor topaz 2.618ct loose stone (untreated)
Sale price¥18,800
Vietnam Aquamarine 0.586ct Loose
Sale price¥12,800
0.870ct loose purple spinel from Madagascar
Sale price¥14,800
Brazilian Aquamarine 0.474ct Loose Stone
Sale price¥12,800
Colombian fluorite 5.903ct loose stone
Sale price¥18,800
Kunzite (lilac pink) from Afghanistan 2.993ct loose stone
Sale price¥25,800
Blue sapphire 0.282ct loose stone (teal color)
Sale price¥15,800
Blue sapphire 0.466ct loose stone
Sale price¥12,800
Tibetan Andesine 0.671ct loose stone
Sale price¥12,800
Pakistani Lazurite (Azurite) 0.034ct loose stone
Sale price¥12,800
Tanzanite from Tanzania 0.432ct loose stone
Sale price¥12,800
Madagascar Aquamarine 0.709ct Loose Stone
Sale price¥18,800
Madagascar Aquamarine 1.678ct Loose Stone
Sale price¥15,800
Brazilian Green Spodumene 9.0mm/2.747ct Loose Stone
Sale price¥18,800
Brazilian Green Spodumene 9.0mm/2.271ct Loose Stone
Sale price¥12,800
Kunzite from Afghanistan 4.992ct loose stone
Sale price¥15,800
Colombian fluorite 6.327ct loose stone
Sale price¥25,800
German Awinite 0.093ct loose stone
Sale price¥29,800
Brazilian Bicolor Topaz 0.973ct Loose Stone
Sale price¥12,800
Kenyan gold sheen sapphire 0.257ct loose
Sale price¥19,800
Sweet Home Rhodochrosite 2.7mm/0.108ct Loose Stone
Sale price¥12,800
Dominican Republic Conch Pearl (with flame pattern) 0.950ct loose
Sale price¥15,800
Dominican Republic Conch Pearl (with flame pattern) 0.960ct loose
Sale price¥18,800
Mexican fire agate 5.86ct loose
Sale price¥14,800
Mexican fire agate 8.69ct loose
Sale price¥14,800
Synthetic Moissanite 10mm/3.340ct Loose Stone
Sale price¥18,800
Paraiba tourmaline from Brazil 0.200ct loose (CuO: 0.7%, MnO: 4.0%)
Sale price¥29,800
Brazilian Morganite 1.950ct loose stone
Sale price¥14,800
Dominican Republic Conch Pearl 0.800ct Loose
Sale price¥19,800
Dominican Republic Conch Pearl (with flame pattern) 1.260ct loose
Sale price¥25,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.375ct Loose Stone
Sale price¥18,800
Colombian Euclase 1.776ct loose stone
Sale price¥15,800
Colombian Euclase 0.512ct Loose Stone
Sale price¥18,800
[7/5 22:00 Fireworks] Colombian Euclase 1.408ct Loose Stone
Sale price¥24,800
Colombian Euclase 0.735ct loose stone
Sale price¥14,800
Colombian Euclase 1.344ct loose stone
Sale price¥26,800
Colombian Euclase 0.817ct loose stone
Sale price¥29,800
Namibian Jeremejevite 0.066ct loose stone with certificate
Sale price¥18,800
Namibian Jeremejevite 0.055ct loose stone with certificate
Sale price¥15,800
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.