![[Sakura Shape Jewelry] Hanakoromo (Ring/Pt950, K18)](http://store.karatz.jp/cdn/shop/files/PA084173.jpg?v=1738627908&width=4000)
![[Sales End on Friday, April 18th] TV Anime "I'd Rather Be Someone Else in the Next Life" x KARATZ Collaboration Somei Yoshino Model](http://store.karatz.jp/cdn/shop/files/1__1080x1080_c268eaf4-d7ba-4cc9-a1f7-140aae47ea8f.png?v=1738627896&width=4500)
![[Sold out] "TSUKIUTA." Movie version RABBITS KINGDOM THE MOVIE x KARATZ collaboration bunny ear earrings "White Rabbit Kingdom"](http://store.karatz.jp/cdn/shop/files/4ccef513f1263077b17d340f4f83cee9_cf40ec81-6e51-4625-9e03-c486176ab67e.jpg?v=1717755403&width=4000)
![[Sold out] "Tokyo Color Sonic!!" x KARATZ collaboration Karasonic Buddy Ring](http://store.karatz.jp/cdn/shop/files/6_d5ed201e-119f-4fda-8cb4-a1650765d182.jpg?v=1718065338&width=4000)
![[Sales end July 31st] "Bungo to Alchemist" x KARATZ Collaboration Jewelry Vol. 4: Bungo Ring [Chuya Nakahara Model Ring] (Limited Time Purchase Bonus Included)](http://store.karatz.jp/cdn/shop/files/bungou_pt4_bnr_03a_1080x1080_188850d0-864d-433e-aee2-4c42cc37704d.jpg?v=1779787581&width=1080)
![[Sales End on Friday, April 18th] TV Anime "I'd Rather Be Someone Else in the Next Life" x KARATZ Collaboration Toriashi Shoma Model](http://store.karatz.jp/cdn/shop/files/1__1080x1080_c857dc24-767d-4002-8754-01986bc2360b.png?v=1738627899&width=4500)
![[On sale Friday, April 24 at 10 PM JST] TV Anime "Once Upon a Time, a Magical Girl and an Evil Boss Were At Odds." x KARATZ Collaboration Magical Girl-Inspired Necklace - Kagari Hanabana Model -](http://store.karatz.jp/cdn/shop/files/1080x1080px_94b67cb3-55c3-4f9f-a0d9-23c5a7bf6b8f.jpg?v=1751940327&width=2250)
![[On sale from 10pm on Tuesday, June 24th] TV anime "Tokyo Ghoul" x KARATZ collaboration Kaneki - Rinkaku image ring & pendant top](http://store.karatz.jp/cdn/shop/files/1080x1080px_98c232d5-2921-4850-b446-5910abe8087b.jpg?v=1749301505&width=2250)
![[Sales end on Friday, April 18th] TV anime "I'd Rather Be Someone Else in the Next Life" x KARATZ collaboration Miyama Kirishima model launched](http://store.karatz.jp/cdn/shop/files/1__1080x1080_3d960cc3-c9a5-4828-b367-58cc860b0746.png?v=1738627898&width=4500)
![[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_ff6f1f8b-1da1-4ee4-a56f-084bc3e530f4.png?v=1792306445&width=2000)
![[Sakura Shape Jewelry] Hanaboshi (double hanging necklace)](http://store.karatz.jp/cdn/shop/files/PA084213.jpg?v=1738627916&width=4000)
![[Sales End on Thursday, October 31st] "Given the Movie: Hiiragi Mix" x KARATZ Collaboration Jewelry Sato Mafuyu Model](http://store.karatz.jp/cdn/shop/files/20240311142203.jpg?v=1738627863&width=1200)
![[3/31 Reception ends] "Given the Movie Hiiragimix" x KARATZ Collaboration Jewelry Akihiko Kaji Model Ring](http://store.karatz.jp/cdn/shop/files/20240311170501.jpg?v=1738627880&width=1200)
![[3/31 Reception ends] "Given the Movie: Hiiragi Mix" x KARATZ Collaboration Jewelry Haruki Nakayama Model Ring](http://store.karatz.jp/cdn/shop/files/20240311165125.jpg?v=1738627874&width=1200)
![[3/31 Reception ends] "Given the Movie Hiiragimix" x KARATZ Collaboration Jewelry Uenoyama Ritsuka Model Ring](http://store.karatz.jp/cdn/shop/files/20240311164215.jpg?v=1738627867&width=1200)
![[Available 10/12 at 10 PM] 《Limited to 1 stone》 FANCY LIGHT PINK 2.9mm/0.092ct FANCY Color Pink Diamond (Sorting report included) 《Multi-buy discount available》](http://store.karatz.jp/cdn/shop/files/2026-10-2411.43.20.png?v=1792809832&width=1245)
![[10/15 (Thu) 10:00 AM Deadline: Lottery Sale_02] Ethiopian Paraiba Tourmaline 0.156ct Loose Stone (CuO: 1.167%, MnO: 0.513%)](http://store.karatz.jp/cdn/shop/files/PA091038_a9436f93-ddce-48d1-808c-3a727b6dd0a2.jpg?v=1793664435&width=2285)
![[Available 10/3 at 10 PM] 《1 Stone Only》 Pink Diamond (0.184ct, 3.5mm, I-1, Fancy Light Pink, with sorting) - Regular price 110,000 JPY 《Multi-buy discount available》](http://store.karatz.jp/cdn/shop/files/PA030424_a6f46ddd-317e-4f48-a15e-8db9fecacc1b.jpg?v=1790995953&width=3193)
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.