Brazilian lepidocrocite in quartz 2.223ct loose
Sale price¥4,980
Brazilian imperial topaz 0.467ct loose
Sale price¥15,800
Brazilian pink imperial topaz 0.322ct loose
Sale price¥12,800
Brazilian Paraiba tourmaline 0.275ct loose (CuO:1.5%.MnO:2.3%)
Sale price¥358,000
Paraiba tourmaline from Brazil 0.154ct loose (CuO:1.1wt%, MnO:1.4wt%)
Sale price¥128,000
Brazilian alexandrite 0.060ct loose
Sale price¥14,800
Brazilian alexandrite 0.082ct loose
Sale price¥18,800
Brazilian particolor Paraiba tourmaline 0.26ct loose GIA
Sale price¥598,000
Unheated Brazilian Color Change Paraiba Tourmaline 0.30ct Loose GIA
Sale price¥1,280,000
Brazilian Paraiba tourmaline 0.226ct loose (CuO:0.7%, MnO:2.5%)
Sale price¥45,800
Bicolor pink euclase from Brazil 3.210ct loose Japanese-German edition
Sale price¥988,000
Brazilian Andalusite 0.557ct loose
Sale price¥3,980
Brazilian Andalusite 0.634ct loose
Sale price¥5,980
Brazilian Andalusite 0.608ct loose
Sale price¥5,980
Paraiba tourmaline from Brazil 0.205ct loose (CuO:0.8%, MnO:3.1%)
Sale price¥45,800
Paraiba tourmaline from Brazil 0.167ct loose (CuO:1.6%, MnO:3.0%)
Sale price¥35,800
Paraiba tourmaline from Brazil 0.086ct loose (CuO:1.5%, MnO:2.3%)
Sale price¥19,800
Paraiba tourmaline from Brazil 0.226ct loose (CuO:0.7%, MnO:3.6%)
Sale price¥49,800
Paraiba tourmaline from Brazil 0.204ct loose
Sale price¥36,800
Paraiba tourmaline from Brazil 0.239ct loose
Sale price¥59,800
Paraiba tourmaline from Brazil 0.232ct loose
Sale price¥58,800
Paraiba tourmaline from Brazil 0.240ct loose (CuO:0.7%, MnO:3.8%)
Sale price¥59,800
Brazilian Pink Imperial Topaz 1.907ct Loose Japanese-German Edition
Sale price¥118,000
Brazilian Paraiba tourmaline 0.065ct loose (CuO:2.0%, MnO:2.6%)
Sale price¥25,800
Paraiba tourmaline from Brazil 0.134ct loose (CuO:0.8%, MnO:2.3%)
Sale price¥29,800
Brazilian Blue Topaz 14.890ct Loose
Sale price¥14,800
Paraiba tourmaline from Brazil 0.230ct loose (CuO:0.8%, MnO:3.3%)
Sale price¥35,800
Brazilian Paraiba tourmaline 0.285ct raw stone (CuO:1.7%, MnO:2.7%)
Sale price¥19,800
Brazilian Paraiba tourmaline in quartz 4.070ct loose
Sale price¥19,800
Brazilian Paraiba tourmaline 0.455ct raw stone (CuO: 0.9%, MnO: 2.2%)
Sale price¥15,800
Brazilian Paraiba tourmaline 0.448ct raw stone (CuO:2.7%, MnO:2.0%)
Sale price¥19,800
Brazilian Paraiba tourmaline 0.156ct raw stone (CuO:2.5%, MnO:0.5%)
Sale price¥15,800
[Sakura Incut] Sky Blue Topaz 12mm Loose with Patch
Sale price¥39,800
Rose quartz 15mm/10.950ct loose
Sale price¥3,980
Rose quartz 15mm/10.850ct loose
Sale price¥3,980
Brazilian alexandrite 0.102ct loose
Sale price¥15,800
Brazilian alexandrite 0.091ct loose
Sale price¥15,800
【8/27 22時販売】《限定7石》ブラジル産ライモナイトインクォーツ1石ルース（平均6ct）《複数購入割引有》
Sale price¥5,980
Paraiba tourmaline from Brazil 0.054ct loose (CuO:1.2%, MnO:3.1%)
Sale price¥15,800
Paraiba tourmaline from Brazil 0.353ct loose (CuO:0.8%, Mn:3.4%)
Sale price¥39,800
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.