![[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)
![[12/6 22:00 Sale] Blue Coral (75.469ct) Loose Stone](http://store.karatz.jp/cdn/shop/files/PC021393.jpg?v=1766550634&width=4000)
![[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)
![[12/7 22:00] Sri Lankan Yellow Sapphire 0.508ct Loose](http://store.karatz.jp/cdn/shop/files/PC052414.jpg?v=1765588082&width=4000)
![[On Sale at 10 PM on December 7th] Rainbow Garnet (Andradite Garnet) 2.365ct Loose Stone from Tenkawa Village, Nara Prefecture](http://store.karatz.jp/cdn/shop/files/PC042583_ed14c696-0ca4-428b-b133-1d94fcdbc792.jpg?v=1765631180&width=3170)
![[On Sale at 10 PM on January 10th] Unheated Pigeon Blood Ruby 0.710ct Loose Stone AIGS](http://store.karatz.jp/cdn/shop/files/S__227328011_6302da2a-b07e-40b3-a300-bf8d8daba742.jpg?v=1767700603&width=907)
![[1/1 22:00 Sale] Royal Blue Sapphire 1.00ct Loose Stone AIGS](http://store.karatz.jp/cdn/shop/files/PC245767_d36873b8-3aeb-4b27-93f3-b3b6822275ed.jpg?v=1767072543&width=2993)
![[1/4 22:00 Sale] Unheated Star Ruby from Myanmar 0.617ct Loose](http://store.karatz.jp/cdn/shop/files/PC250812.jpg?v=1767395604&width=4000)
![[On Sale at 10 PM on January 9th] Brazilian Medusa Quartz (Paraiba Quartz) 0.848ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC267173.jpg?v=1767700054&width=4000)
![[1/1 10pm Sale] Indian Parrot Chrysoberyl Cat's Eye 5.6mm/1.715ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC266813_06203e96-f1ae-4125-a0e8-f1fb5db0312c.jpg?v=1767072295&width=2994)
![[1/1 10pm Sale] Indian Parrot Chrysoberyl Cat's Eye 5.0mm/1.099ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC266928.jpg?v=1767072163&width=4000)
![[On Sale at 10 PM on January 8th] Brazilian Bicolor Topaz 1.317ct Loose Stone (Untreated)](http://store.karatz.jp/cdn/shop/files/P9127974_4511e7e3-dabc-4ee0-b528-07efa948a20c.jpg?v=1767706359&width=4000)
![[1/10 22:00 Sale] Burmese Unheated Ruby 0.227ct Loose Stone, Nikko Kan](http://store.karatz.jp/cdn/shop/files/P8214669_561f61d9-71f4-4776-872c-afa2348b90fa.jpg?v=1767739117&width=2658)
![[On Sale at 10 PM on January 11th] Afghanistan Blue Tourmaline 4.0mm/0.268ct Loose Stone (Lagoon Tourmaline)](http://store.karatz.jp/cdn/shop/files/P1098685_5eaaf8df-bafa-40a6-81ba-305731a01732.jpg?v=1767992828&width=2972)
![[On Sale at 10 PM on January 11th] Cambodian Blue Zircon (Ratanakiri Blue) 0.674ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1098663.jpg?v=1767992682&width=4000)
![[On Sale at 10 PM on 1/11] Tanzanian Kornerupine 0.103ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1098704_eb371033-dd3e-449c-8353-c04a2c01ea3f.jpg?v=1768051701&width=3007)
![[1/11 22:00 Sale] Tanzanian Violet Sapphire 0.920ct Loose](http://store.karatz.jp/cdn/shop/files/P1087805.jpg?v=1767939336&width=4000)
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.