American Benitoite 0.158ct loose stone
Sale price¥59,800
American Benitoite 0.296ct loose stone
Sale price¥148,000
Mexican Cantera Opal 2.661ct Loose
Sale price¥12,800
Madagascar Grandidierite 0.156ct loose stone
Sale price¥35,800
Brazilian bicolor tourmaline 0.880ct loose stone
Sale price¥12,800
Spanish Andalusite 4mm/0.204ct loose stone (rose cut)
Sale price¥4,980
Maushitsit (Mawsissi) from Myanmar 5.796ct loose
Sale price¥6,980
Mongolian color change andesine 0.749ct loose stone
Sale price¥12,800
Brazilian Madeira Citrine 6.8mm/1.150ct Loose Stone
Sale price¥4,980
![[Sales End on Monday, June 30th] "Bungo to Alchemist" x KARATZ Collaboration Jewelry Bungo Ring [Dazai Osamu Model]](http://store.karatz.jp/cdn/shop/files/bungou_pt_bnr_01_1080x1080_2c12d88c-a968-40b6-b9d3-53dda0ee3890.jpg?v=1747649147&width=1080)
![[Sales End on Monday, June 30th] "Bungo and Alchemist" x KARATZ Collaboration Jewelry Literary Ring [Akutagawa Ryunosuke Model]](http://store.karatz.jp/cdn/shop/files/bungou_pt_bnr_02_1080x1080_865ae236-c65a-4ca6-b64e-09a7550a2d74.jpg?v=1747649136&width=1080)
![[Sales End on Monday, June 30th] "Bungo and Alchemist" x KARATZ Collaboration Jewelry Bungo Ring [Izumi Kyoka Model]](http://store.karatz.jp/cdn/shop/files/bungou_pt_bnr_03_1080x1080_ae440665-0722-4452-9979-2d399c01e85f.jpg?v=1747649128&width=1080)
Sapphire from Sri Lanka (Safarin) 0.245ct loose
Sale price¥12,800
South African diamond rough stone 0.430ct
Sale price¥9,800
Mexican Cantera Opal 1.209ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 1.394ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 1.436ct Loose Stone (Rose Cut)
Sale price¥12,800
Royal Blue Sapphire 2.220ct Loose Stone AIGS
Sale price¥458,000
Tanzanite from Tanzania 0.350ct loose stone
Sale price¥8,800
Sri Lankan Rhodolite Garnet 0.244ct Loose Stone, Japan-Germany Scale
Sale price¥8,800
Colombian emerald 0.202ct loose stone
Sale price¥59,800
Mexican Cantera Opal 8.331ct Loose
Sale price¥39,800
Cambodian Zircon 1.620ct Loose
Sale price¥15,800
Madagascar sphene 0.803ct loose stone
Sale price¥19,800
Brazilian Imperial Topaz 0.398ct Loose Stone
Sale price¥12,800
Zimbabwean Euclase 0.129ct Loose Stone with Certificate of Authenticity
Sale price¥29,800
Brazilian Swiss Blue Topaz 1.062ct Loose Stone
Sale price¥9,800
Tanzanite from Tanzania 0.237ct loose stone
Sale price¥8,800
Orange calcite 0.740ct loose stone by Nikkei
Sale price¥9,800
Mexican Fire Opal (Faceted Cut) 0.844ct Loose
Sale price¥15,800
Bicolor Fluorite 24.682ct Loose
Sale price¥29,800
![[Sales end on Sunday, July 19] TV Anime "Blue Lock" x KARATZ Collaboration Vol. 1: Lock Ear Cuff (Single Ear)](http://store.karatz.jp/cdn/shop/files/bluelock_bnrB_03_1080x1080_54e9944f-b96d-42fd-b167-3e224b720075.jpg?v=1752207410&width=1080)
![[Sales end on Sunday, July 19] TV Anime "Blue Lock" x KARATZ Collaboration Vol. 1 Chain Ring](http://store.karatz.jp/cdn/shop/files/bluelock_bnrB_02_1080x1080_a2a5e1bf-7896-4409-a796-fd8d6ff1feb4.jpg?v=1752207424&width=1080)
![[Sales End Sunday, July 19] TV Anime "Blue Lock" x KARATZ Collaboration Vol. 1 Mark Ring](http://store.karatz.jp/cdn/shop/files/bluelock_bnrB_01_1080x1080_33d61cee-9f2e-4c79-89ce-34360574e91a.jpg?v=1752207434&width=1080)
![[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)
![[Sales start on April 24 (Fri) at 10 PM] TV Anime "The Magical Girl and the Evil Lieutenant Who Disappeared From My Heart" x KARATZ Collaboration Magical Girl Inspired Necklace - Fakamori Byakuya Model -](http://store.karatz.jp/cdn/shop/files/1080x1080px_f03f9779-02ce-4bf3-820d-e59d2509d088.jpg?v=1751939600&width=2250)
![[Available starting Friday, April 24th at 10 PM JST] TV Anime "The Magical Girl and the Evil Lieutenant Who Used to Be Archenemies" x KARATZ Collaboration Acrylic Stand Coasters Featuring Newly Drawn Illustrations](http://store.karatz.jp/cdn/shop/files/a8cce7eefae3f4e718983e003dc5e0e0_e3ca04b3-39b0-4f97-8788-2631afa137d5.jpg?v=1761641114&width=4500)
![[Available from Friday, April 24th, 10 PM JST] TV Anime "The Magical Girl and Evil Spirit Used to Be Archenemies." x KARATZ Collaboration Original Illustration Can Mirror](http://store.karatz.jp/cdn/shop/files/1d418f01ef377f6875b664fb78e3fd74.jpg?v=1751935469&width=2250)
![[Sales start on Friday, April 24th at 10 PM JST] TV Anime "The Magical Girl and Evil Spirit Strive to Be the Best Together" x KARATZ Collaboration Original Illustration Heart Can Badge](http://store.karatz.jp/cdn/shop/files/ce7fda6ab48aa73ed08a665ad0e71fe1.jpg?v=1751934767&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.