Madagascar Pezzottaite 0.206ct loose stone
Sale price¥12,800
Brazilian Alexandrite 0.135ct loose stone
Sale price¥35,800
South African diamond rough (sawable) 0.096ct rough (with trigon)
Sale price¥39,800
Tanzanian Blue Spinel 0.165ct Loose Stone
Sale price¥8,800
Tanzania Blue Spinel 0.244ct Loose Stone
Sale price¥9,800
Tanzania Purple Spinel 0.236ct Loose Stone
Sale price¥9,800
Tanzania Purple Spinel 0.333ct Loose Stone
Sale price¥9,800
Zambian emerald 0.181ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 0.147ct Loose Stone
Sale price¥3,980
Sillimanite from Sri Lanka 0.183ct loose stone
Sale price¥6,980
Sri Lankan sapphire 0.211ct loose stone
Sale price¥8,800
Zambian emerald 0.099ct loose stone
Sale price¥9,800
Alexandrite 0.201ct loose stone
Sale price¥39,800
South African diamond rough (sawable) 0.112ct rough
Sale price¥44,800
South African diamond rough (sawable) 0.091ct rough (trigon)
Sale price¥35,800
0.075 ct Loose Paraiba Tourmaline from Brazil (CuO: 1.7%, MnO: 1.9%)
Sale price¥45,800
Zimbabwe Bicolor Euclase 2.6mm/0.087ct Loose Stone
Sale price¥55,800
Zimbabwean Euclase 0.063ct loose stone
Sale price¥39,800
Yellow Diamond (Cabochon Cut) 0.185ct Loose
Sale price¥25,800
Afghanistan Awinite 0.075ct loose stone JTL catalog
Sale price¥35,800
Afghanistan Awinite 0.069ct loose stone JTL catalog
Sale price¥29,800
Russian Demantoid Garnet (Horsetail certified) 2.4mm/0.066ct loose stone
Sale price¥12,800
Brazilian Alexandrite 0.073ct loose stone (princess cut)
Sale price¥16,800
Brazilian Alexandrite 0.089ct loose stone (princess cut)
Sale price¥19,800
Madagascar sapphire 0.153ct loose stone
Sale price¥6,980
Madagascar sapphire 0.157ct loose stone
Sale price¥6,980
German Awinite 0.117ct loose stone
Sale price¥25,800
German Awinite 0.076ct loose stone
Sale price¥18,800
Diamond (cabochon cut) 0.233ct loose
Sale price¥39,800
Brazilian Euclase (Bicolor Euclase) 0.199ct Loose Stone
Sale price¥45,800
Brazilian Euclase 0.116ct loose stone (bicolor Euclase)
Sale price¥25,800
Brazilian Euclase 0.222ct Loose Stone
Sale price¥18,800
Bicolor sapphire 0.143ct loose
Sale price¥8,800
Namibian Jeremejevite 0.194ct loose stone by Nikkei
Sale price¥15,800
Montana Sapphire (Blue Sapphire) 0.207ct Loose
Sale price¥6,980
Tanzanian Cobalt Spinel (Blue Spinel) 0.118ct Loose Stone Japan-Germany
Sale price¥29,800
Diamond (cabochon cut) 0.183ct loose
Sale price¥24,800
Russian Yellow Diamond Rough (Sawable) 0.306ct Rough (Trigon)
Sale price¥98,000
American red beryl 0.092ct loose
Sale price¥19,800
Brazilian Lazurite (Azurite) 0.071ct loose stone
Sale price¥22,800
Brazilian bicolor euclase 0.168ct loose stone
Sale price¥25,800
Brazilian bicolor euclase 0.157ct loose stone
Sale price¥14,800
Namibian Jeremejevite 0.158ct loose stone
Sale price¥45,800
Pakistani Veirinite 0.072ct loose stone
Sale price¥19,800
Pakistani Veirinite 0.107ct loose stone
Sale price¥29,800
Russian diamond rough (sawable) 0.094ct rough
Sale price¥24,800
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.