![[On sale Friday, March 13th at 10pm] Anime "Hell Teacher Nube" x KARATZ Collaboration Original Sticker Set](http://store.karatz.jp/cdn/shop/files/16d74c3394e651e16b3426ed000fc68d.jpg?v=1760420285&width=4500)
![[Sales start on April 24 (Fri) at 10 PM] TV Anime "The Magical Girl and the Evil Lieutenant Who Disappeared From My Heart" x KARATZ Collaboration Magical Girl Inspired Necklace - Fakamori Byakuya Model -](http://store.karatz.jp/cdn/shop/files/1080x1080px_f03f9779-02ce-4bf3-820d-e59d2509d088.jpg?v=1751939600&width=2250)
![[Sales End on Monday, January 12th] TV Anime "Tokyo Ghoul" x KARATZ Collaboration Clear File with New Illustration](http://store.karatz.jp/cdn/shop/files/A4_1e1a7249-6290-449b-b267-b2555c2c3b9c.jpg?v=1749309063&width=2250)
![[Available from Friday, April 24th, 10 PM JST] TV Anime "The Magical Girl and Evil Spirit Used to Be Archenemies." x KARATZ Collaboration Original Illustration Can Mirror](http://store.karatz.jp/cdn/shop/files/1d418f01ef377f6875b664fb78e3fd74.jpg?v=1751935469&width=2250)
![[Lottery Sale 0629_08] Colombian Non-Oil Emerald 4.1mm/0.240ct Loose GIA](http://store.karatz.jp/cdn/shop/files/P6252043_bf7ba352-8708-4d76-a722-35fa2d8c1db4.jpg?v=1785129469&width=2995)
[Lottery Sale 0629_08] Colombian Non-Oil Emerald 4.1mm/0.240ct Loose GIA
Sale price¥458,000
![[#202607 Akihabara Pop-up Store Takeout][Shinjuku Marui Annex 202605 Takeout][12548265 Listed] Padparadscha Sapphire 0.545ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1010826.jpg?v=1779787158&width=4000)
【Sakura Shape】Synthetic Sapphire 8.8mm/3.631ct Loose Stone
Sale price¥39,800
[Star in cut] Mexican fire opal 7mm/0.678ct loose patch
Sale price¥39,800
![[On Sale 10 PM, June 7] *Limited to 3 Sets* 1.0ct/D/VS-VVS/IDEAL Lab-Grown Diamond (Synthetic Diamond) & 2 Rare Cabochon Stones (Total of 3 Stones Included) *Multiple Purchase Discount Available*](http://store.karatz.jp/cdn/shop/files/collage_07f6900d-fa8d-4bc4-acda-dc4cf0e8fed7.png?v=1785923452&width=4000)
![[On Sale 10 PM, June 7] *Limited to 3 Sets* 1.0ct/D/VS-VVS/IDEAL Lab-Grown Diamond (Synthetic Diamond) & 2 Rare Cabochon Stones (Total of 3 Stones Included) *Multiple Purchase Discount Available*](http://store.karatz.jp/cdn/shop/files/collage_ee8309d3-5bb0-4cb8-b162-fd9ce98dae4e.png?v=1785924238&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.