Hackmanite 0.520ct loose stone
Sale price¥24,800
Synthetic moissanite 6.704ct loose
Sale price¥29,800
Kunzite 8.4mm/2.908ct loose stone
Sale price¥19,800
Lepidocrocite in quartz 1.555ct loose
Sale price¥15,800
Lepidocrocite in Quartz 1.227ct Loose Stone
Sale price¥12,800
Zoisite 1.219ct loose stone
Sale price¥18,800
Tinker Bell Quartz (Pink Fire Quartz) 1.664ct Loose (Faceted Cut)
Sale price¥19,800
Blue spinel 1.949ct loose
Sale price¥29,800
Brazilian Alexandrite 0.068ct Ruth (Hemachita Mine)
Sale price¥17,800
Brazilian Alexandrite 0.074ct Ruth (Hemachita Mine)
Sale price¥15,800
Brazilian Alexandrite 0.086ct Ruth (Hemachita Mine)
Sale price¥18,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.346ct loose
Sale price¥25,800
Synthetic rutile 6.2mm/1.165ct loose stone
Sale price¥19,800
Pink tourmaline 1.404ct loose stone
Sale price¥19,800
[Konpeito] Iolite 3.170ct loose
Sale price¥27,800
Hollandite in quartz 7.300ct loose
Sale price¥25,800
Orange Scapolite 5.57ct loose
Sale price¥19,800
![[Available at 10:00 PM on December 10, 2025] Adult Sebon Star Pendant Silver Model (SV925)](http://store.karatz.jp/cdn/shop/files/4b20f821b247baeba4e6ddc6a353084f.jpg?v=1738627851&width=4000)
![[Available at 10:00 PM on December 10, 2025] Adult Sebonstar Ring Silver Model (SV925)](http://store.karatz.jp/cdn/shop/files/9b191a7aeacff3846bad816850f883eb.jpg?v=1738627858&width=4000)
![[Available at 10:00 PM on December 10, 2025] Adult Sebon Star Adjuster Charm (Not available for individual purchase)](http://store.karatz.jp/cdn/shop/files/P9170504.jpg?v=1738627942&width=4000)
![[Sold out] TV anime "Tokyo Ghoul" x KARATZ collaboration Kaneki Rinkaku image ring and pendant top | Silver (SV925)](http://store.karatz.jp/cdn/shop/files/1080x1080px_98c232d5-2921-4850-b446-5910abe8087b.jpg?v=1749301505&width=2250)
![[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)
![[Sold Out] TV Anime "Tokyo Ghoul" x KARATZ Collaboration Touka Wakame Necklace](http://store.karatz.jp/cdn/shop/files/1080x1080px_c3970179-b04e-452b-95dd-2bf9bc8fd605.jpg?v=1749304991&width=2250)
![[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 End on Sunday, August 31st] TV Anime "Blue Lock" x KARATZ Collaboration Chain Ring](http://store.karatz.jp/cdn/shop/files/bluelock_bnrB_02_1080x1080_a2a5e1bf-7896-4409-a796-fd8d6ff1feb4.jpg?v=1752207424&width=1080)
![[Sakura Shape Jewelry] Hanakoromo (Ring/Silver)](http://store.karatz.jp/cdn/shop/files/PA084173.jpg?v=1738627908&width=4000)
![[Sold out] "TSUKIUTA." Movie version RABBITS KINGDOM THE MOVIE x KARATZ collaboration Bunny ear ring "White Rabbit Kingdom"](http://store.karatz.jp/cdn/shop/files/4ccef513f1263077b17d340f4f83cee9.jpg?v=1716444205&width=4000)
![[Sold out] "TSUKIUTA." Movie version RABBITS KINGDOM THE MOVIE x KARATZ collaboration Bunny ear ring "Black Rabbit Kingdom"](http://store.karatz.jp/cdn/shop/files/6c43c6d77ec0ad03833eba843dd430db.jpg?v=1716438876&width=4000)
![[Sales End on Sunday, August 31st] TV Anime "A Long Time Ago, Magical Girls and Evil Were Enemies" x KARATZ Collaboration Magical Girl Theme Necklace - Mimori Byakuya Model -](http://store.karatz.jp/cdn/shop/files/1080x1080px_f03f9779-02ce-4bf3-820d-e59d2509d088.jpg?v=1751939600&width=2250)
![[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)
![[Sales End on Sunday, August 31st] TV Anime "Blue Lock" x KARATZ Collaboration Mark Ring](http://store.karatz.jp/cdn/shop/files/bluelock_bnrB_01_1080x1080_33d61cee-9f2e-4c79-89ce-34360574e91a.jpg?v=1752207434&width=1080)
![[Sales End on Sunday, August 31st] TV Anime "Blue Lock" x KARATZ Collaboration Rock Ear Cuff (Single)](http://store.karatz.jp/cdn/shop/files/bluelock_bnrB_03_1080x1080_54e9944f-b96d-42fd-b167-3e224b720075.jpg?v=1752207410&width=1080)
![[Sakura Shape Jewelry] Hanayurara (Vatican Necklace)](http://store.karatz.jp/cdn/shop/files/PA084201.jpg?v=1738627912&width=4000)
![[Sold out] "TSUKIUTA." Movie version RABBITS KINGDOM THE MOVIE x KARATZ collaboration bunny ear earrings "Black Rabbit Kingdom"](http://store.karatz.jp/cdn/shop/files/fdd1314148fbf6ede59f6349d79ff227_99fbef7a-61e2-463f-bcb3-650dcf494bae.jpg?v=1716438796&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 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)
![Pt850 Platinum Venetian Chain Long Necklace 0.7mm/0.8mm [60cm free]](http://store.karatz.jp/cdn/shop/products/pt850-07mm-370823_1800x1800_0f5aee64-29e6-4706-a673-e9c5a3463cad.jpg?v=1633141124&width=1800)
![[Sales End on Sunday, August 31st] TV Anime "A Long Time Ago, Magical Girls and Evil Were Enemies" x KARATZ Collaboration Magical Girl Theme Necklace - Kagari Sparks Model -](http://store.karatz.jp/cdn/shop/files/1080x1080px_94b67cb3-55c3-4f9f-a0d9-23c5a7bf6b8f.jpg?v=1751940327&width=2250)
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.