Paraiba tourmaline from Brazil 0.049ct loose
Sale price¥19,800
Paraiba Tourmaline from Mozambique 0.171ct loose stone
Sale price¥8,980
Paraiba Tourmaline from Mozambique 0.153ct loose stone
Sale price¥9,800
Paraiba Tourmaline from Mozambique 0.154ct loose stone
Sale price¥9,800
Paraiba tourmaline from Brazil 0.018ct loose
Sale price¥14,800
Paraiba tourmaline from Brazil 0.023ct loose
Sale price¥19,800
Bicolor tourmaline 4.448ct loose stone
Sale price¥55,800
Mozambique Elbaite Tourmaline 1.793ct Loose Stone
Sale price¥49,800
Paraiba tourmaline from Brazil 0.071ct loose
Sale price¥25,800
Pink tourmaline 1.157ct loose stone
Sale price¥18,800
Tanzanian Chrome Tourmaline 0.753ct Loose Stone
Sale price¥6,980
Tanzanian Chrome Tourmaline 0.760ct Loose Stone
Sale price¥6,980
Brazilian bicolor tourmaline 2.153ct loose stone
Sale price¥29,800
Brazilian Paraiba Tourmaline 0.177ct loose stone (CuO: 2.1%, MnO: 1.3%)
Sale price¥45,800
Unheated Brazilian Paraiba Tourmaline 0.038ct loose stone
Sale price¥59,800
Yellow tourmaline 0.238ct loose stone
Sale price¥4,980
Brazilian Paraiba Tourmaline 0.216ct loose stone (CuO:1.2%, MnO:2.7%)
Sale price¥69,800
Unheated Brazilian Paraiba Tourmaline 0.110ct Loose Stone AIGS
Sale price¥258,000
Paraiba tourmaline from Mozambique 0.252ct loose
Sale price¥15,800
Paraiba Tourmaline from Mozambique 0.234ct loose stone
Sale price¥12,800
Tanzanian Chrome Tourmaline 0.522ct Loose Stone
Sale price¥5,980
Brazilian Paraiba Tourmaline 0.405ct loose stone (CuO2.7% CuO2.2%) GIA
Sale price¥198,000
Green tourmaline 0.621ct loose stone
Sale price¥9,800
Green tourmaline 0.457ct loose stone
Sale price¥9,800
Brazilian Paraiba tourmaline in quartz 0.871ct loose
Sale price¥18,800
Mozambique colorless tourmaline (acroite) 3.542ct loose stone
Sale price¥69,800
Afghanistan indigolite tourmaline 1.732ct loose stone
Sale price¥15,800
Afghanistan indigolite tourmaline 1.729ct loose stone
Sale price¥15,800
Brazilian Paraiba tourmaline in quartz 4.772ct loose
Sale price¥59,800
Pink tourmaline 0.416ct loose stone
Sale price¥8,800
Green tourmaline 0.090ct loose stone
Sale price¥6,980
Bicolor tourmaline 0.423ct loose
Sale price¥12,800
Bicolor tourmaline 0.552ct loose
Sale price¥12,800
Bicolor tourmaline 0.548ct loose
Sale price¥6,980
Green tourmaline 0.637ct loose
Sale price¥8,800
Kenyan chrome tourmaline 0.501ct loose stone
Sale price¥49,800
Pink tourmaline 6.1mm/1.031ct loose stone
Sale price¥9,800
Bicolor tourmaline 1.198ct loose
Sale price¥14,800
Pink tourmaline 0.795ct loose
Sale price¥9,800
Pink tourmaline 0.466ct loose
Sale price¥8,800
Bicolor tourmaline 1.329ct loose
Sale price¥9,800
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.