Brazilian Limonite in Topaz 6.579ct loose stone (with rainbow)
Sale price¥19,800
Brazilian Limonite in Topaz 10.100ct Loose Stone
Sale price¥25,800
Brazilian Morganite 4.720ct loose stone
Sale price¥98,000
[E33 Shinjuku] Brazilian Morganite 1.266ct Loose Stone
Sale price¥29,800
Brazilian Medusa Quartz (Paraiba Quartz) 7.250ct Loose
Sale price¥54,800
Brazilian Euclase (Bicolor Euclase) 0.199ct Loose Stone
Sale price¥45,800
Brazilian Medusa Quartz (Paraiba Quartz) 0.400ct Loose
Sale price¥6,980
Brazilian Fluorite Quartz 4.599ct Loose Stone
Sale price¥19,800
Brazilian blue tourmaline 0.353ct loose
Sale price¥9,800
[E33 Shinjuku] Brazilian Blue Topaz Cat's Eye 2.631ct Loose
Sale price¥9,800
Paraiba tourmaline from Brazil 0.129ct loose (CuO:0.8%,MnO:0.1%)
Sale price¥48,800
Brazilian Pink Tourmaline 0.960ct Loose Stone
Sale price¥15,800
Brazilian Pink Imperial Topaz 2.794ct Loose Japanese-German Edition
Sale price¥128,000
Brazilian pink imperial topaz 0.322ct loose
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.568ct Loose Stone
Sale price¥22,800
Brazilian Paraiba Tourmaline in Quartz 1.917ct loose stone
Sale price¥42,800
Brazilian Paraiba tourmaline 0.275ct loose (CuO:1.5%.MnO:2.3%)
Sale price¥358,000
Paraiba tourmaline from Brazil 0.243ct loose
Sale price¥14,800
Brazilian Paraiba Tourmaline 0.233ct loose stone (CuO: 1.6%. MnO: 2.4%)
Sale price¥358,000
Brazilian Paraiba Tourmaline 0.230ct Loose GIA (CuO: 0.9%, MnO: 1.1%)
Sale price¥158,000
Brazilian Paraiba Tourmaline 0.181ct loose stone (CuO: 0.7%, MnO: 0.2%)
Sale price¥59,800
Brazilian Paraiba tourmaline 0.171ct loose stone (CuO: 1.7%, MnO: 2.3%)
Sale price¥98,000
Paraiba tourmaline from Brazil 0.154ct loose (CuO:1.1wt%, MnO:1.4wt%)
Sale price¥128,000
Paraiba tourmaline from Brazil 0.144ct loose (CuO:0.9%,MnO:2.8%)
Sale price¥55,800
Brazilian Paraiba Tourmaline 0.136ct loose stone (CuO: 1.8%, MnO: 2.0%)
Sale price¥39,800
Paraiba tourmaline from Brazil 0.132ct loose (CuO:2.1%.MnO:2.2%)
Sale price¥188,000
Paraiba tourmaline from Brazil 0.112ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.101ct loose (CuO:0.9%,MnO:0.1%)
Sale price¥39,800
Paraiba tourmaline from Brazil 0.079ct loose
Sale price¥23,800
Paraiba tourmaline from Brazil 0.071ct loose
Sale price¥39,800
Brazilian Paraiba Tourmaline 0.068ct loose stone
Sale price¥39,800
Paraiba tourmaline from Brazil 0.057ct loose
Sale price¥22,800
Paraiba tourmaline from Brazil 0.052ct loose
Sale price¥29,800
[E33 Shinjuku] Brazilian Paraiba Tourmaline 0.052ct Loose Stone
Sale price¥29,800
Paraiba tourmaline from Brazil 0.051ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.048ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.047ct loose
Sale price¥29,800
Brazilian bicolor euclase 0.168ct loose stone
Sale price¥25,800
Brazilian bicolor tourmaline 3.282ct loose
Sale price¥59,800
[E33 Shinjuku] Brazilian Bicolor Tourmaline 1.449ct Loose
Sale price¥19,800
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.