![[12/9 22:00 Sale] Sinhalite from Sri Lanka 0.658ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC042918_2697ab93-670d-4b82-a046-48a4a6dae96e.jpg?v=1765631495&width=2928)
[12/9 22:00 Sale] Sinhalite from Sri Lanka 0.658ct Loose Stone
Sale price¥9,800
![[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)
![[12/10 22:00 Sale] Pakistani Ludwigite Peridot 0.609ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC032326.jpg?v=1765630680&width=4000)
[12/10 22:00 Sale] Pakistani Ludwigite Peridot 0.609ct Loose Stone
Sale price¥6,980
![[12/10 22:00 Sale] Indian Moonstone 6.1mm/0.878ct Loose Stone (Rose Cut)](http://store.karatz.jp/cdn/shop/files/PC032133_305a91c4-6921-466f-b86b-6196b85216e3.jpg?v=1765630124&width=4000)
![[12/14 22:00] Brazilian Pink Tourmaline 5.0mm/0.484ct Loose Stone (Rose Cut)](http://store.karatz.jp/cdn/shop/files/PC032029.jpg?v=1765629696&width=4000)
![[12/10 22:00] Mali Garnet (Grossular/Andradite Garnet) 1.008ct Loose Stone from the Republic of Mali with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/PC031988.jpg?v=1765589363&width=4000)
![[12/12 22:00 Sale] Mali Garnet (Grossular/Andradite Garnet) 0.811ct Loose Stone from the Republic of Mali with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/PC031939.jpg?v=1765589124&width=4000)
![[12/12 22:00 Sale] Mali Garnet (Grossular/Andradite Garnet) 0.741ct Loose Stone from the Republic of Mali with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/PC031851_34d7dc05-0847-41cd-820d-223f93e7910b.jpg?v=1765589124&width=4000)
![[12/12 22:00 Sale] Brazilian Dumortierite in Quartz 1.131ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC032210.jpg?v=1765630403&width=4000)
[12/12 22:00 Sale] Brazilian Dumortierite in Quartz 1.131ct Loose Stone
Sale price¥12,800
![[12/12 22:00 Sale] Synthetic Opal 0.856ct Loose (Synthetic Water Opal)](http://store.karatz.jp/cdn/shop/files/PC032188.jpg?v=1765630279&width=4000)
![[12/13 22:00 Sale] Brazilian Green Tourmaline 0.821ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC042796.jpg?v=1764990794&width=4000)
[12/13 22:00 Sale] Brazilian Green Tourmaline 0.821ct Loose Stone
Sale price¥12,800
Bicolor Zoisite 0.581ct loose
Sale price¥12,800
Chrome tourmaline 0.300ct loose stone
Sale price¥2,980
Yellow diamond rough stone (makeable) 0.247ct rough stone
Sale price¥22,800
Brazilian Euclase 1.240ct loose
Sale price¥19,800
![[12/22 22:00] Mozambique Ruby 0.537ct Loose](http://store.karatz.jp/cdn/shop/files/S__226091018_b83ec1cc-8623-4ea3-a264-a44125729b7e.jpg?v=1766288263&width=1143)
[12/22 22:00] Mozambique Ruby 0.537ct Loose
Sale price¥15,800
![[12/22 22:00] Red Coral (Coral) 1.406ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC105323_672699ff-9f8c-401b-83de-fb68168bb9d2.jpg?v=1766287829&width=2966)
[12/22 22:00] Red Coral (Coral) 1.406ct Loose Stone
Sale price¥12,800
![[12/22 22:00] Red Coral (Coral) 1.467ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC105283_62c2de18-0ec8-4ca9-bc5d-1b9ab5b3245a.jpg?v=1766287830&width=3153)
[12/22 22:00] Red Coral (Coral) 1.467ct Loose Stone
Sale price¥15,800
![[12/22 22:00] Sri Lankan Blue Sapphire 0.645ct Loose](http://store.karatz.jp/cdn/shop/files/PC094150_085972b7-dff6-42bb-8830-f50e160129b5.jpg?v=1766288263&width=3010)
[12/22 22:00] Sri Lankan Blue Sapphire 0.645ct Loose
Sale price¥25,800
[12/23 22:00] Mexican Fire Opal 1.283ct Loose
Sale price¥29,800
[12/23 22:00] Mexican Fire Opal 1.413ct Loose
Sale price¥39,800
![[12/21 22:00] Sri Lankan Blue Sapphire 1.008ct Loose](http://store.karatz.jp/cdn/shop/files/PC093903_695e167e-75d5-4a62-9b62-e2a093e7db50.jpg?v=1766221998&width=3058)
[12/21 22:00] Sri Lankan Blue Sapphire 1.008ct Loose
Sale price¥69,800
![[12561695] Australian White Opal 1.928ct Loose](http://store.karatz.jp/cdn/shop/files/PC104555.jpg?v=1766494999&width=4000)
[12561695] Australian White Opal 1.928ct Loose
Sale price¥39,800
![[On Sale at 10 PM on December 21st] Madagascar Bicolor Sapphire 5.8mm/1.006ct Loose](http://store.karatz.jp/cdn/shop/files/PC093540.jpg?v=1766222404&width=4000)
Oregon Sunstone 1.157ct loose
Sale price¥8,800
White topaz 16.06ct loose
Sale price¥25,800
Bicolor grossular garnet 0.782ct loose
Sale price¥12,800
South African rhodochrosite 1.333ct loose Japanese-German edition
Sale price¥98,000
Dioptase from Namibia 3.1mm/0.132ct loose Japanese-German edition
Sale price¥55,800
Paraiba tourmaline from Mozambique 0.207ct loose
Sale price¥9,800
Purple spinel 0.995ct loose stone
Sale price¥15,800
Mexican Fire Opal 4.5mm/0.244ct Loose
Sale price¥9,800
Zircon 0.416ct loose
Sale price¥3,980
Colombian emerald cat's eye 0.110ct loose
Sale price¥9,800
Brazilian Paraiba tourmaline 0.420ct raw stone (CuO:1.6%, MnO:1.3%)
Sale price¥69,800
Paraiba tourmaline from Mozambique 0.229ct loose
Sale price¥9,800
![[12/16 22:00] Brazilian Rose Quartz 1.848ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC053183_c77f5c66-523a-4bc8-91b8-7ec5090427d6.jpg?v=1765757287&width=4000)
[12/16 22:00] Brazilian Rose Quartz 1.848ct Loose Stone
Sale price¥9,800
![[12/16 22:00 Sale] Green Sapphire 0.607ct Loose](http://store.karatz.jp/cdn/shop/files/PC052530_2f588a47-b6eb-4fa9-bbf4-ed1074e3cf88.jpg?v=1765757288&width=2552)
[12/16 22:00 Sale] Green Sapphire 0.607ct Loose
Sale price¥12,800
![[12/16 22:00 Sale] Sri Lankan Yellow Sapphire 0.170ct Loose](http://store.karatz.jp/cdn/shop/files/PC052497_8d01ae1d-df4a-445b-93cc-9dfe45a33753.jpg?v=1765757396&width=2729)
[12/16 22:00 Sale] Sri Lankan Yellow Sapphire 0.170ct Loose
Sale price¥12,800
![[12/16 22:00 Sale] Sri Lankan Yellow Sapphire 0.182ct Loose](http://store.karatz.jp/cdn/shop/files/PC052463_2ea7a367-cd92-45ff-8363-772d7c4d65a9.jpg?v=1765757397&width=2502)
[12/16 22:00 Sale] Sri Lankan Yellow Sapphire 0.182ct Loose
Sale price¥9,800
![[12/20 22:00 Sale] Brazilian Gashenite 0.527ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC042693_ec625e46-9b90-4993-8f64-7daf50a84841.jpg?v=1766184426&width=4000)
[12/20 22:00 Sale] Brazilian Gashenite 0.527ct Loose Stone
Sale price¥8,800
![[12/14 22:00] Indian Moonstone 5.1mm/0.426ct Loose Stone (Rose Cut)](http://store.karatz.jp/cdn/shop/files/PC032082.jpg?v=1765629901&width=4000)
[12/14 22:00] Indian Moonstone 5.1mm/0.426ct Loose Stone (Rose Cut)
Sale price¥6,980
![[Available at 10 PM on December 20th] Mali Garnet (Grossular/Andradite Garnet) 0.872ct Loose Stone from the Republic of Mali with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/PC031911.jpg?v=1766184428&width=4000)
![[12/21 22:00] Myanmar Leuco Garnet 0.542ct Loose Stone with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/PC031825_fb076ca1-bb64-45c8-92b2-b3586aaf4973.jpg?v=1766184429&width=3153)
Australian opal 0.286ct loose
Sale price¥5,980
Oregon Sunstone 0.976ct loose
Sale price¥18,800
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.