![[12/17 22:00 Sale] Russian Demantoid Garnet (Horsetail Certified) 4.2mm/0.325ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA109804.jpg?v=1765801778&width=4000)
![[12/14 22:00 Sale] Tanzanian Chrome Tourmaline 0.164ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052891_aecd87ce-1d9c-485d-a210-a7cf06aa82c6.jpg?v=1765587023&width=3151)
[12/14 22:00 Sale] Tanzanian Chrome Tourmaline 0.164ct Loose Stone
Sale price¥9,800
![[12/7 22:00] American Peridot 0.385ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052641_37df0278-4a00-4c48-9087-8187fb202890.jpg?v=1765587659&width=4000)
[12/7 22:00] American Peridot 0.385ct Loose Stone
Sale price¥8,800
![[12/12 22:00 Sale] Synthetic Quartz 0.430ct Loose Stone (Synthetic Green Quartz)](http://store.karatz.jp/cdn/shop/files/PC032362.jpg?v=1765630883&width=4000)
[On Sale 11/29 10pm] Greenland Ruby 0.253ct Loose Stone with Certificate
Sale price¥49,800
[On Sale 11/29 10pm] Greenland Ruby 0.266ct Loose Stone with Certificate
Sale price¥22,800
[On Sale 11/26 10pm] Tanzanian Bicolor Sapphire 0.380ct Loose (Teal)
Sale price¥18,800
[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
[On Sale 11/2 at 10pm] Madagascar Bicolor Sapphire 0.266ct Loose
Sale price¥16,800
[On Sale 11/2 at 10pm] Zimbabwean Sphene 4.7mm/0.400ct Loose Stone
Sale price¥9,800
[11/2 22:00 Sale] Colombian Euclase 0.546ct Loose Stone
Sale price¥25,800
[11/2 22:00] Brazilian mint-colored emerald 0.491ct loose stone
Sale price¥15,800
[On Sale 11/1 at 10pm] Madagascar Bicolor Sapphire 0.318ct Loose
Sale price¥25,800
[On Sale 11/23 10pm] Colombian Oil-Free Emerald 0.220ct Loose GIA
Sale price¥298,000
[11/14 22:00 Sale] Madagascar Pezzottaite 0.198ct Loose Stone
Sale price¥15,800
[On Sale 11/23 10pm] Greenland Ruby 0.360ct Loose Stone with Certificate
Sale price¥69,800
[11/1 22:00 Sale] Tanzanian Spessartine Garnet 0.383ct Loose Stone
Sale price¥12,800
![[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)
[11/13 22:00 Sale] Almandine Garnet 0.348ct Loose Stone
Sale price¥8,800
Mexican Fire Opal 4.8mm/0.199ct Loose Stone
Sale price¥8,800
Moldavite from the former Czechoslovakia, 0.090ct loose stone
Sale price¥9,800
Tanzanian mint diopside 0.290ct loose stone
Sale price¥9,800
American Benitoite 0.165ct loose stone
Sale price¥59,800
Indian Iolite Sunstone 0.228ct Loose Stone
Sale price¥6,980
![[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 0.185ct Loose Stone
Sale price¥128,000
Brazilian London Blue Topaz 0.415ct Loose Stone
Sale price¥6,980
Brazilian Aquamarine 0.428ct Loose Stone
Sale price¥8,800
Chinese Cinnabar 1.358ct Loose Stone with Certificate of Authenticity
Sale price¥22,800
Russian Emerald 0.387ct Loose Stone (F1, Minor Enhancement) GIA
Sale price¥128,000
[12551639] Triplite 0.322ct loose stone
Sale price¥15,800
American Benitoite 0.262ct loose stone
Sale price¥128,000
Tanzanian purple sapphire 0.355ct loose stone
Sale price¥9,800
Afghanistan Hackmanite 0.134ct loose stone
Sale price¥6,980
Afghanistan Hackmanite 0.121ct loose stone
Sale price¥6,980
Golden Iolite (Cordierite) from Madagascar 0.193ct loose stone
Sale price¥8,800
[Rouge Cut] Brazilian Bicolor Tourmaline 0.578ct Loose
Sale price¥9,800
Zimbabwean sphene 0.978ct loose stone
Sale price¥18,800
Tanzanian Spessartine Garnet 0.209ct Loose Stone
Sale price¥4,980
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.