![[Sales start 8/13 10 PM] Limited to 12 Stones! Beryl Gacha where you can win a 12mm camellia-cut Limonite in Beryl or Santa Maria Aquamarine with a certificate of authenticity for 45,800 yen. (Multiple purchase discount available)](http://store.karatz.jp/cdn/shop/files/collage_42474086-f487-4265-a1d0-33fa7887cdea.png?v=1786090469&width=2000)
![【#202607 Akihabara Pop-up Store - Currently Removed for Display】[Colorfuri] Pt900 Black Opal 0.83ct / Diamond 0.62ct Ring with Certificate](http://store.karatz.jp/cdn/shop/files/P4085602_239fb724-e8c8-4f49-8fab-65e692522cdb.jpg?v=1785992300&width=4000)
![[On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available"](http://store.karatz.jp/cdn/shop/files/collage_d85e6b2e-52be-4e3d-9b49-b7afa91b3f4d.png?v=1785987595&width=4000)
【Sakura Shape】Synthetic Sapphire 8.8mm/3.631ct Loose Stone
Sale price¥39,800
[Published 12563933] Brazilian Rubellite 1.100ct Loose Stone
Sale price¥98,000
!["PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device Image Ring - Enforcer Design [Kogami Shinya Model] "Blue Spinel"](http://store.karatz.jp/cdn/shop/files/ca55ad9a7680a3c3acf9653316704dc3.png?v=1747953942&width=3519)
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.