【1/14 22時販売】アフガニスタン産クンツァイト 23.634ctルース
Sale price¥98,000
【1/12 22時販売】【さくらインカット】タンザニア産タンザナイト 6.0mm/0.774ctルース
Sale price¥69,800
【1/12 22時販売】K18YGブラジル産パライバトルマリン 0.048ctダイヤモンドピンキーリング（CuO:1.7%,MnO:2.2% ）
Sale price¥98,000
【1/12 22時販売】K18/Pt950 ブラジル産パライバトルマリン・ダイヤモンドペンダントトップ（ネックレストップ）
Sale price¥89,800
Rough diamond (sawable) 0.466ct rough diamond
Sale price¥98,000
![[1/11 22:00 Sale] Brazilian Green Tourmaline 4.345ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1087723.jpg?v=1767939012&width=4000)
[1/11 22:00 Sale] Brazilian Green Tourmaline 4.345ct Loose Stone
Sale price¥69,800
![[1/11 22:00 Sale] Tanzanite from Tanzania 2.777ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1087633_8cebae4e-7fed-47ae-9d1b-584a721a6351.jpg?v=1767938707&width=2889)
[1/11 22:00 Sale] Tanzanite from Tanzania 2.777ct Loose Stone
Sale price¥98,000
Myanmar color change zircon 1.043ct loose stone
Sale price¥69,800
![[Available at 10 PM on January 10th] Cornflower Blue Sapphire 4.5mm/0.430ct Loose Stone AIGS](http://store.karatz.jp/cdn/shop/files/P8214781_694819ef-19a1-4c6b-b218-44465e22231f.jpg?v=1767738514&width=2618)
![[On Sale at 10 PM on January 6th] Brazilian Indigolite Tourmaline 1.470ct Loose Stone with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/PA306106.jpg?v=1767484287&width=4000)
![[On Sale at 10 PM on January 9th] Indian Parrot Chrysoberyl Cat's Eye 1.225ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC266874.jpg?v=1767700054&width=4000)
![[1/1 10pm Sale] Indian Parrot Chrysoberyl Cat's Eye 5.6mm/1.715ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC266813_06203e96-f1ae-4125-a0e8-f1fb5db0312c.jpg?v=1767072295&width=2994)
![[1/5 22:00 Sale] Parasitic Peridot 0.241ct Loose Stone, Japan-Germany Qualification](http://store.karatz.jp/cdn/shop/files/PC250884_b83a5846-1751-4770-a616-3e92f08a6e06.jpg?v=1767400505&width=3248)
![[On Sale at 10 PM on January 9th] Brazilian Paraiba Tourmaline 0.115ct Loose Stone (CuO: 2.0%, MnO: 0.6%)](http://store.karatz.jp/cdn/shop/files/PC245631_90fc9d3c-b244-4683-a742-138336741bf6.jpg?v=1767700054&width=3010)
![[12/25 22:00] Mexican Fire Agate 14.193ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC021175.jpg?v=1766550133&width=4000)
[12/25 22:00] Mexican Fire Agate 14.193ct Loose Stone
Sale price¥69,800
![[12/25 22:00] Mexican Fire Agate 10.683ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC021111.jpg?v=1766549959&width=4000)
[12/25 22:00] Mexican Fire Agate 10.683ct Loose Stone
Sale price¥59,800
![[Sales start on 9/25 (Thu) 22:00] TV anime "Date A Live V" x KARATZ collaboration Yatogami Tohka model ring](http://store.karatz.jp/cdn/shop/files/IMG_1777_fa1e3636-f11f-4174-a1da-e8ef373295d0.jpg?v=1753778853&width=2160)
!["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)
Solo (Simple Order Ring Frame)
Sale priceFrom ¥79,800
"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)
"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)
![[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)
Star Drop "Semi-custom pendant frame"
Sale price¥59,800
![[Sales start at 10 PM on Friday, December 12th] TV anime "Date A Live V" x KARATZ collaboration Yatogami Tohka model ring](http://store.karatz.jp/cdn/shop/files/IMG_1776.jpg?v=1753778142&width=2160)
Solo (Simple Order Pinky Ring Frame)
Sale priceFrom ¥55,800
!["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)
![[Sales start on 9/25 (Thu) 22:00] TV anime "Date A Live V" x KARATZ collaboration Yatogami Tohka model ring](http://store.karatz.jp/cdn/shop/files/IMG_1782.jpg?v=1753778421&width=2160)
![[Sales start on 9/25 (Thu) 22:00] TV anime "Date A Live V" x KARATZ collaboration Yatogami Tohka model ring](http://store.karatz.jp/cdn/shop/files/IMG_1779.jpg?v=1753778541&width=2160)
Legato "Semi-custom ring setting"
Sale price¥89,800
![[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_02_1080x1080_495f7ddb-bc4f-423e-a92a-d46753ed2f60.jpg?v=1747362846&width=1080)
Vivace "Semi-custom ring setting"
Sale price¥89,800
!["PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device Image Ring - Enforcer Design [Yayoi Rokuitsuka Model] "Ice Blue Sapphire"](http://store.karatz.jp/cdn/shop/files/f76800a131d00c2a53ddcb66deb272d4.png?v=1747953940&width=3519)
Pisces "Semi-custom pendant frame"
Sale price¥59,800
EDEL Semi-custom pinky ring frame
Sale price¥64,800
!["PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring - Enforcer Design [Tomoki Masatsugu Model] "Moonstone"](http://store.karatz.jp/cdn/shop/files/0575a6b5c87ca6dd50957fbff064cdcb.png?v=1747953941&width=3518)
![[Sale: Friday, December 19th, 10 PM] "Bungo and Alchemist" x KARATZ Collaboration Jewelry "Part 3" Bungo Ring [Kikuchi Kan Model Ring]](http://store.karatz.jp/cdn/shop/files/03_d1fff56d-18a4-444f-bd64-dfa11a0b9a45.jpg?v=1764724993&width=1080)
First Star《Semi-Custom Pendant Frame》
Sale price¥59,800
Marcato "Semi-custom ring setting"
Sale price¥89,800
![[Sale: Friday, December 19th, 10 PM] "Bungo and Alchemist" x KARATZ Collaboration Jewelry "Part 3" Bungo Ring [Edogawa Ranpo Model Ring]](http://store.karatz.jp/cdn/shop/files/02_db3f7ed0-177f-418b-b788-6f945e929acf.jpg?v=1764724403&width=1080)
Madeleine "Semi-custom ring setting"
Sale price¥89,800
Chandelier《Semi-custom pendant frame》
Sale price¥69,800
![[Sale: Friday, December 19th, 10 PM] "Bungo and Alchemist" x KARATZ Collaboration Jewelry "Part 3" Bungo Ring [Oda Sakunosuke Model]](http://store.karatz.jp/cdn/shop/files/01.jpg?v=1764723334&width=1080)
TV anime "Shinkalion Change the World" x KARATZ collaboration Taisei model
Sale priceFrom ¥16,800
Dolce "Semi-custom ring setting"
Sale price¥89,800
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.