Tanzanian Kornerupine 0.172ct loose stone
Sale price¥12,800
Brazilian Quartz in Quartz 15.373ct Loose Stone
Sale price¥18,800
Pink tourmaline 0.845ct loose stone
Sale price¥12,800
[Sale on May 30th at 10 PM] Synthetic Rutile 6.2mm/1.594ct Loose Stone
Sale price¥15,800
[On sale June 2 at 10 PM] Loose Diamond 3.7mm/0.197ct (H, VS-1, Good)
Sale price¥29,800
[Sale at 10 PM on June 6] Malawi Moonstone 1.661ct Loose Stone
Sale price¥12,800
[On sale June 7th at 10 PM] Malawi Moonstone 1.792ct Loose Gemstone
Sale price¥15,800
[Sale on June 7 at 10 PM] Malawi Moonstone 2.086ct Loose Stone
Sale price¥16,800
[On sale June 6th at 10 PM] Malawi Moonstone 2.201ct Loose Stone
Sale price¥15,800
[On sale June 6, 10 PM JST] Malawi Moonstone 2.233ct Loose Stone
Sale price¥15,800
![[On Sale June 8th, 10 PM JST] India, Orissa Origin Alexandrite 0.715ct Loose Stone with Certification](http://store.karatz.jp/cdn/shop/files/collage_8ee98efe-30a4-4a2c-8f62-7d2046cf734b.png?v=1780789514&width=3000)
![[On sale June 7th at 10 PM] India Odisha Alexandrite 0.759ct Loose Gemstone with Identification Report](http://store.karatz.jp/cdn/shop/files/collage_269bef65-0698-4ef6-8ec8-a5535a2607fe.png?v=1780789417&width=3000)
![[On sale June 8th, 10 PM] India, Orissa Origin Alexandrite 0.760ct Loose Stone with Certification](http://store.karatz.jp/cdn/shop/files/collage_7ec1d4e9-6f93-4498-a556-50e6e875f347.png?v=1780789316&width=3000)
![[Sale 10 PM JST, June 7] Alexandrite from Odisha, India 0.764 ct Loose Stone with Certificate](http://store.karatz.jp/cdn/shop/files/collage_3e78f064-f6ba-4780-9510-e20d51ca6538.png?v=1780788999&width=3000)
![[On sale May 28th at 10 PM] Adult Sebonstar Adjuster Charm](http://store.karatz.jp/cdn/shop/files/P9170504.jpg?v=1738627942&width=4000)
[On sale May 28th at 10 PM] Adult Sebonstar Adjuster Charm
Sale price¥15,800
![[On sale May 28th, 10 PM] Adult Cbonstar Jewelry Vol. 3: Adult Cbonstar Pendant Mirage Edition <silver model></silver>](http://store.karatz.jp/cdn/shop/files/P8061894.jpg?v=1761201097&width=4000)
!["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)
"PSYCHO-PASS" x KARATZ collaboration jewelry: Shogo Makishima razor design ring (amethyst)
Sale priceFrom ¥25,800
!["PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring with Inspector Design [Ginoza Nobuchika Model] "London Blue Topaz"](http://store.karatz.jp/cdn/shop/files/a2355d930e69eb70c83aa0cfa4d17082_e078bd80-e8f1-4c34-910c-d2227b929fcd.png?v=1747953944&width=3519)
![[Sales End on November 15th] "Bungo to Alchemist" x KARATZ Collaboration Jewelry Bungo Ring [Dazai Osamu Model] {Almandine Garnet, Yellow Diamond}](http://store.karatz.jp/cdn/shop/files/bungou_pt2_bnr_01_1080x1080_137526cc-4d14-414f-8146-aef7dd597625.jpg?v=1747362836&width=1080)
![[On sale May 28, 10 PM] Adult Sebonstar Jewelry Vol. 3: Heart Key Lock Pendant Silver Model (Silver Color/Gold Color) SV925](http://store.karatz.jp/cdn/shop/files/PA078307_bd775702-6b2b-4562-860d-2e9c582a7986.jpg?v=1762047939&width=4000)
"PSYCHO-PASS PROVIDENCE" x KARATZ collaboration character image double pendant
Sale priceFrom ¥25,800
!["PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring with Inspector Design [Tsunemori Akane Model] (Pink Diamond)](http://store.karatz.jp/cdn/shop/files/56c5def9d6dd327eef15171e9337e809.png?v=1747953946&width=3518)
Solo (Simple Order Earrings Frame)
Sale price¥29,800
![[Sales End on November 15th] "Bungo to Alchemist" x KARATZ Collaboration Jewelry Bungo Ring [Dazai Osamu Model] {Almandine Garnet, Yellow Diamond}](http://store.karatz.jp/cdn/shop/files/bungou_pt2_bnr_03_1080x1080_4ae0e7b4-416f-461b-b8f9-62a4548c4f0a.jpg?v=1747362865&width=1080)
![[Sales start at 10 PM on Friday, December 12th] TV anime "Blue Lock" x KARATZ collaboration first edition chain ring](http://store.karatz.jp/cdn/shop/files/bluelock_bnrB_02_1080x1080_a2a5e1bf-7896-4409-a796-fd8d6ff1feb4.jpg?v=1752207424&width=1080)
!["PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring - Enforcer Design [Kagari Shusei Model] "Orange Brown Zircon"](http://store.karatz.jp/cdn/shop/files/fea382d52fd21b8cfe555d6d7268f398.png?v=1747953939&width=3518)
![[On sale 5/28 22:00] Bungo and Alchemist x KARATZ Collaboration Jewelry Vol. 3: Bungo Ring [Kan Kikuchi Model Ring]](http://store.karatz.jp/cdn/shop/files/03_d1fff56d-18a4-444f-bd64-dfa11a0b9a45.jpg?v=1764724993&width=1080)
![[Sales begin April 29 (Wed) 10 PM] TV Anime "Dr. STONE" x KARATZ Jewelry Store Collaboration Mini Character Stickers](http://store.karatz.jp/cdn/shop/files/68162-76-58b69550937120a0d1b0429789ecfd26-1800x1350.webp?v=1776065776&width=1800)
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.