Brazilian Alexandrite 0.106ct Loose Stone (Silky Alexandrite)
Sale price¥15,800
Brazilian alexandrite 0.116ct loose
Sale price¥15,800
Turkish pink diaspore 0.205ct loose stone
Sale price¥12,800
Tanzanian Golden Sheen Sapphire 3.8mm/0.301ct Loose Stone
Sale price¥13,800
Tanzanian Kornerupine 0.199ct loose stone
Sale price¥19,800
Tanzanian Kornerupine 0.172ct loose stone
Sale price¥18,800
Paraiba tourmaline from Brazil 0.057ct loose
Sale price¥22,800
Paraiba tourmaline from Brazil 0.061ct loose
Sale price¥25,800
Paraiba tourmaline from Brazil 0.049ct loose
Sale price¥19,800
Paraiba Tourmaline from Mozambique 0.171ct loose stone
Sale price¥8,980
Tanzanian Kornerupine 0.213ct loose stone
Sale price¥12,800
Madagascar Green Sapphire 0.253ct Loose
Sale price¥9,800
Paraiba tourmaline from Brazil 0.071ct loose
Sale price¥25,800
Demantoid Garnet from Madagascar 0.169ct loose stone
Sale price¥25,800
Russian Demantoid Garnet (Horsetail) 0.297ct Loose
Sale price¥39,800
German Awinite 0.064ct loose stone
Sale price¥18,800
Russian Demantoid Garnet Cat's Eye (Horsetail Recognized) 0.200ct Loose
Sale price¥29,800
Detroit City Rhodochrosite 4mm/0.434ct Loose Stone
Sale price¥8,800
Colombian mint color emerald 0.158ct loose stone
Sale price¥5,980
Colombian mint color emerald 0.136ct loose stone
Sale price¥6,980
Colombian mint color emerald 0.155ct loose stone
Sale price¥7,980
Brazilian Paraiba Tourmaline 0.177ct loose stone (CuO: 2.1%, MnO: 1.3%)
Sale price¥45,800
Unheated Brazilian Paraiba Tourmaline 0.110ct Loose Stone AIGS
Sale price¥258,000
Zimbabwean Euclase 0.058ct loose stone
Sale price¥39,800
Zimbabwean Euclase 0.088ct loose stone
Sale price¥69,800
Colombian emerald 0.145ct loose stone with precious stone
Sale price¥39,800
Colombian emerald 0.167ct loose stone with jewel
Sale price¥49,800
Colombian emerald 0.111ct loose stone with precious stone
Sale price¥29,800
Jeremejevite 0.201ct loose stone
Sale price¥45,800
Rhodochrosite from Detroit City, USA 3.1mm/0.154ct loose stone
Sale price¥29,800
Rhodochrosite from Detroit City, USA 3.2mm/0.150ct loose stone
Sale price¥29,800
German Awinite 0.070ct loose stone
Sale price¥32,800
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.