Brazilian Alexandrite 0.073ct Ruth (Hemachita Mine)
Sale price¥12,800
Brazilian Alexandrite 0.099ct Ruth (Hemachita Mine)
Sale price¥19,800
Brazilian Alexandrite 0.097ct Ruth (Hemachita Mine)
Sale price¥22,800
Brazilian Alexandrite 0.098ct Ruth (Hemachita Mine)
Sale price¥22,800
Jeremejevite from Namibia 0.056ct loose
Sale price¥12,800
Jeremejevite from Namibia 0.034ct loose
Sale price¥9,800
Jeremejevite from Namibia 0.064ct loose
Sale price¥12,800
Sri Lankan white sapphire 2.9mm/0.086ct loose (rose cut)
Sale price¥3,980
Benitoite 0.095ct loose
Sale price¥18,800
Hauinite 0.074ct loose
Sale price¥19,800
[Posted 32501454] Pink Diamond 0.051ct Loose (FANCY LIGHT PINK, SI-2)
Sale price¥39,800
Brazilian alexandrite 0.060ct loose
Sale price¥14,800
Brazilian alexandrite 0.082ct loose
Sale price¥15,800
[12554117] Brazilian Alexandrite 0.058ct loose stone
Sale price¥14,800
![[10/3 22:00 Sale] German Auchenite 0.090ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P9248741_228b264d-02c8-4d0d-b214-a5cc146b7b80.jpg?v=1759217740&width=1959)
[10/3 22:00 Sale] German Auchenite 0.090ct Loose Stone
Sale price¥39,800
[On sale at 10pm on September 20th] German Auchenite 0.097ct Loose Stone
Sale price¥39,800
Paraiba tourmaline from Brazil 0.086ct loose (CuO:1.5%, MnO:2.3%)
Sale price¥18,800
Red beryl 0.098ct loose
Sale price¥18,800
Bicolor Benitoite 0.067ct loose
Sale price¥25,800
Brazilian alexandrite 0.091ct loose
Sale price¥15,800
Diamond 0.054ct loose (VS class equivalent, emerald cut)
Sale price¥8,800
Colombian emerald cat's eye 0.094ct loose
Sale price¥8,800
Paraiba tourmaline from Brazil 0.054ct loose (CuO:1.2%, MnO:3.1%)
Sale price¥15,800
![[On Sale at 10 PM on August 11th] 0.060ct Loose GIA Emerald from Madagascar, No Oil](http://store.karatz.jp/cdn/shop/files/P7111504_2a68ed93-d0a2-40e9-bf36-967ced39df1c.jpg?v=1754697292&width=2156)
Benitoite 0.091ct loose
Sale price¥22,800
Red beryl 0.096ct loose
Sale price¥22,800
Red beryl 0.079ct loose
Sale price¥18,800
Paraiba tourmaline from Brazil 0.055ct loose (CuO:1.5%,MnO:3.2%)
Sale price¥39,800
Paraiba tourmaline from Brazil 0.066ct loose (CuO:1.7%,Mn0:2.1%)
Sale price¥29,800
Montana Sapphire 1.9mm/0.033ct loose
Sale price¥4,980
[8/11 22:00 Sale] Tanzanian Kornerupine 0.084ct Loose Stone
Sale price¥22,800
Moldavite from former Czechoslovakia 0.094ct loose stone
Sale price¥6,980
Namibian Jeremejevite 0.055ct loose stone with certificate
Sale price¥15,800
Namibian Jeremejevite 0.066ct loose stone with certificate
Sale price¥18,800
Colombian emerald cat's eye 0.084ct loose
Sale price¥6,980
German Awinite 0.093ct loose stone
Sale price¥29,800
American Benitoite 0.058ct loose stone (princess cut)
Sale price¥15,800
American Benitoite 0.051ct loose stone (princess cut)
Sale price¥15,800
Namibian Jeremejevite 0.055ct loose stone
Sale price¥5,980
Namibian Jeremejevite 2.8mm/0.094ct loose stone
Sale price¥5,980
Russian Demantoid Garnet (Horsetail certified) 2.4mm/0.063ct loose stone
Sale price¥39,800
Russian Alexandrite 0.065ct loose stone
Sale price¥59,800
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.