![[12/14 22:00] Colombian Emerald 3.0mm/0.098ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC032274_4ad52845-33a8-4e43-b38f-58faad0568af.jpg?v=1765630554&width=4000)
[12/14 22:00] Colombian Emerald 3.0mm/0.098ct Loose Stone
Sale price¥12,800
[12/2 22:00] Greenland Sapphire 0.133ct Loose Stone with Certificate
Sale price¥14,800
[11/22 22:00] Afghanistan Hackmanite 0.177ct Loose Stone
Sale price¥14,800
[On Sale 11/8 at 10pm] Russian Demantoid Garnet 0.192ct Loose Stone
Sale price¥79,800
[11/2 22:00 Sale] Sri Lankan Blue Sapphire 0.187ct Loose
Sale price¥29,800
[On Sale 11/2 at 10pm] Madagascar Bicolor Sapphire 0.266ct Loose
Sale price¥16,800
[On Sale 11/1 at 10pm] Madagascar Bicolor Sapphire 0.318ct Loose
Sale price¥25,800
[11/3 22:00 Sale] Colombian Emerald 0.176ct Loose
Sale price¥59,800
[11/3 22:00] Colombian Emerald 0.126ct Loose
Sale price¥49,800
Russian Alexandrite 2.8mm/0.111ct Loose Stone
Sale price¥69,800
Russian Alexandrite 0.074ct loose stone
Sale price¥59,800
[10/31 22:00 Sale] German Auchenite 0.063ct Loose Stone
Sale price¥29,800
[10/31 22:00 Sale] German Auchenite 0.073ct Loose Stone
Sale price¥32,800
![[On sale at 10pm on November 25th] Tanzanite from Tanzania 0.342ct loose stone](http://store.karatz.jp/cdn/shop/files/PA230810_94f183ff-4e76-4008-bb8c-96c9302cdf30.jpg?v=1763944335&width=2921)
Moldavite from the former Czechoslovakia, 0.090ct loose stone
Sale price¥9,800
[On Sale 11/22 10pm] Madagascar Bicolor Sapphire 0.278ct Loose
Sale price¥8,800
American Benitoite 0.165ct loose stone
Sale price¥59,800
![[12/17 22:00 Sale] Chinese Cinnabar 0.615ct Loose Stone (Faceted)](http://store.karatz.jp/cdn/shop/files/PA170350_21f0c45b-fce8-4f26-b87d-f5c3def1479a.jpg?v=1760856557&width=4000)
[12/17 22:00 Sale] Chinese Cinnabar 0.615ct Loose Stone (Faceted)
Sale price¥18,800
American Benitoite 0.175ct Loose Stone
Sale price¥128,000
Russian Demantoid Garnet (Horsetail) 2.5mm/0.075ct Loose Stone
Sale price¥12,800
Russian Demantoid Garnet (Horsetail) 2.5mm/0.073ct Loose Stone
Sale price¥14,800
Russian Alexandrite 0.088ct loose stone
Sale price¥59,800
Greenland Ruby 3.0mm/0.134ct Loose Stone with Certificate
Sale price¥25,800
German Auchenite 0.095ct loose stone
Sale price¥39,800
German Auchenite 0.085ct loose stone
Sale price¥45,800
German Auchenite 0.083ct loose stone
Sale price¥45,800
[12552618] Unheated Brazilian Paraiba Tourmaline 0.063ct loose stone
Sale price¥65,800
Zimbabwean Bicolor Euclase 0.146ct Loose Stone
Sale price¥35,800
[12554117] Brazilian Alexandrite 0.058ct loose stone
Sale price¥14,800
South African rough diamond (sawable) 0.105ct rough (with trigon)
Sale price¥39,800
Afghanistan Hackmanite 0.091ct loose stone
Sale price¥18,800
German Auchenite 0.090ct loose stone
Sale price¥39,800
German Apatite 0.097ct loose stone
Sale price¥39,800
Sri Lankan saffron 0.116ct loose stone with certificate of authenticity
Sale price¥25,800
Chinese Cinnabar 0.549ct Loose Stone with Certificate of Authenticity
Sale price¥19,800
Colombian emerald 0.101ct loose stone
Sale price¥15,800
Zimbabwean Bicolor Euclase 0.197ct Loose Stone
Sale price¥39,800
Paraiba tourmaline from Mozambique 0.154ct loose stone
Sale price¥19,800
Zambian emerald 0.159ct loose stone
Sale price¥8,800
Mozambique pink sapphire 0.169ct loose stone
Sale price¥6,980
0.145ct loose pink sapphire from Madagascar
Sale price¥6,980
0.333ct loose sapphire
Sale price¥8,800
0.162ct loose blue sapphire from Madagascar
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.