Strontium titanate 4.2mm/0.410ct loose stone
Sale price¥9,800
Strontium titanate 5mm/0.688ct loose stone
Sale price¥12,800
Paraiba tourmaline from Mozambique 0.229ct loose
Sale price¥9,800
Brazilian Paraiba tourmaline 0.420ct raw stone (CuO:1.6%, MnO:1.3%)
Sale price¥69,800
Colombian emerald cat's eye 0.110ct loose
Sale price¥9,800
Chrysoberyl cat's eye 2.283ct loose
Sale price¥12,800
Zircon 0.416ct loose
Sale price¥3,980
Diamond 0.052ct loose (trapeze cut, VS class equivalent)
Sale price¥6,980
Mexican Fire Opal 4.5mm/0.244ct Loose
Sale price¥9,800
Purple spinel 0.995ct loose stone
Sale price¥15,800
Paraiba tourmaline from Mozambique 0.207ct loose
Sale price¥9,800
Dioptase from Namibia 3.1mm/0.132ct loose Japanese-German edition
Sale price¥55,800
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.