Anime "Assassination Classroom" x KARATZ
【Shipping Delay Notice】
Due to a higher-than-expected volume of orders, shipments for customers who placed orders after April 10, 2026, will be sequentially dispatched from mid-August onwards. We sincerely apologize for any inconvenience this may cause to customers who are waiting for their orders.
*The bonus postcard offer has ended.
▶︎About Online Orders
Sales Period: Until Thursday, August 20, 2026
▶︎Estimated Delivery Date:
Scheduled for delivery around late September 2026
*Please note that the delivery date may vary depending on production status.
![[Sales end on Thursday, Aug 20] [Only 2 remaining] Anime "Assassination Classroom" x KARATZ Collaboration Koro Sensei Five Great Gems Figure [Limited 100 pieces]](http://store.karatz.jp/cdn/shop/files/ansatsu_bnrC_1_1080x1080_1be8ed3d-7a10-47a1-9508-85a22ed9b825.jpg?v=1760620266&width=1080)
![[Sales end on Thursday, August 20] Anime "Assassination Classroom" x KARATZ Collaboration Karma Akabane Model Ring](http://store.karatz.jp/cdn/shop/files/ansatsu2_bnrB_1_1080x1080_f0a5caf5-70b2-4ca3-98ed-875bc439b1bd.jpg?v=1771996033&width=1080)
![[Sales end on Thursday, August 20] Anime "Assassination Classroom" x KARATZ Collaboration - Kaede Kayano Model Ring](http://store.karatz.jp/cdn/shop/files/ansatsu2_bnrB_3_1080x1080_583619a3-3f89-4665-b3bd-1c85e910a491.jpg?v=1771996031&width=1080)
![[Sales end on Thursday, August 20] Anime "Assassination Classroom" x KARATZ Collaboration - Tadaomi Karasuma Model Ring](http://store.karatz.jp/cdn/shop/files/ansatsu2_bnrB_4_1080x1080_0cd8a74b-4c0d-44b1-bdee-0854cd074e06.jpg?v=1771996031&width=1080)
![[Sales end on Thursday, August 20] "Assassination Classroom" x KARATZ Collaboration - Korosensei Model Ring](http://store.karatz.jp/cdn/shop/files/ansatsu_bnrC_2_1080x1080_5a04ae14-e1e5-4855-aaff-92dce1dc2205.jpg?v=1760620220&width=1080)
![[Sales End on Thursday, August 20] Assassination Classroom x KARATZ Collaboration - Koro-sensei Model Bracelet](http://store.karatz.jp/cdn/shop/files/ansatsu_bnrC_5_1080x1080_a307a391-2381-4edd-a09a-3a2caaa72c1d.jpg?v=1760620220&width=1080)
![[Sales end on Thursday, August 20] Anime "Assassination Classroom" x KARATZ Collaboration - Koro-sensei Model Earring (single)](http://store.karatz.jp/cdn/shop/files/ansatsu_bnrC_6_1080x1080_acf42c5b-8c28-4dd3-9221-8a31ee35ad32.jpg?v=1760620169&width=1080)
![[Sales end on 8/20 (Thu)] "Assassination Classroom" x KARATZ Collaboration Acrylic Stand (6 designs)](http://store.karatz.jp/cdn/shop/files/ansatsu_akusuta_7.png?v=1764653453&width=1080)
![[Sales end on 8/20 (Thu)] "Assassination Classroom" x KARATZ Collaboration Stickers (7 designs)](http://store.karatz.jp/cdn/shop/files/ansatsu_sticker_8.png?v=1764653463&width=1080)
![[Sales End on Thursday, August 20] Anime Assassination Classroom x KARATZ Collaboration Acrylic Keychain (1 type)](http://store.karatz.jp/cdn/shop/files/ansatsu_akukey_1.png?v=1756101686&width=1080)
![[Sales end on Thursday, August 20] "Assassination Classroom" x KARATZ Collaboration Acrylic Keychain (5 types, random)](http://store.karatz.jp/cdn/shop/files/ansatsu_akukey_7.png?v=1764653396&width=1080)
![[Sales end on Thursday, August 20] "Assassination Classroom" x KARATZ Collaboration Clear Card (7 designs, random)](http://store.karatz.jp/cdn/shop/files/ansatsu_clearcard_8.png?v=1764653490&width=1080)
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.