Colombian trapiche emerald (reverse trapiche) 0.134ct rough stone
Sale price¥12,800
Kenyan gold sheen sapphire 2.3mm/0.083ct loose
Sale price¥8,800
Dominican Republic Conch Pearl (with flame pattern) 1.560ct loose
Sale price¥25,800
Tanzanian Sunstone Scapolite 1.780ct Loose
Sale price¥12,800
South African diamond rough stone 0.430ct
Sale price¥9,800
Sri Lankan Star Sapphire 1.028ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 0.725ct Loose
Sale price¥6,980
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
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
Mexican Cantera Opal 11.885ct Loose
Sale price¥49,800
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
Brazilian bicolor topaz 3.098ct loose stone
Sale price¥29,800
Tanzanite from Tanzania 0.237ct loose stone
Sale price¥8,800
Orange calcite 0.740ct loose stone by Nikkei
Sale price¥9,800
Blue beryl (Macis beryl) 0.181ct loose stone
Sale price¥12,800
Mexican Fire Opal (Faceted Cut) 0.844ct Loose
Sale price¥15,800
Bicolor Fluorite 24.682ct Loose
Sale price¥29,800
Brazilian Green Tourmaline 3.943ct Loose Stone
Sale price¥39,800
![[Sales start at 10 PM on Friday, December 12th] TV anime "Blue Lock" x KARATZ collaboration first release: Rock 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 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)
[12/12-12/25 Shinjuku Marui Annex] Locking ear cuffs
Sale price¥0
[12/12-12/25 Shinjuku Marui Annex] Chainring
Sale price¥0
![[12/12-12/25 Shinjuku Marui Annex] Mark Ring](http://store.karatz.jp/cdn/shop/files/bluelock_bnrB_01_1080x1080_33d61cee-9f2e-4c79-89ce-34360574e91a.jpg?v=1752207434&width=1080)
[12/12-12/25 Shinjuku Marui Annex] Mark Ring
Sale price¥0
![[Sales start at 10 PM on Friday, November 21st] TV Anime "Once Upon a Time, Magical Girls and Evil Were Enemies" x KARATZ Collaboration Magical Girl-Themed Necklace - Kagari Sparks Model -](http://store.karatz.jp/cdn/shop/files/1080x1080px_94b67cb3-55c3-4f9f-a0d9-23c5a7bf6b8f.jpg?v=1751940327&width=2250)
![[Sales start at 10 PM on Friday, November 21st] 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 start at 10 PM on Friday, November 21st] TV anime "A Long Time Ago, Magical Girls and Evil Were Enemies" x KARATZ collaboration acrylic coaster featuring newly drawn illustrations](http://store.karatz.jp/cdn/shop/files/a8cce7eefae3f4e718983e003dc5e0e0_e3ca04b3-39b0-4f97-8788-2631afa137d5.jpg?v=1761641114&width=4500)
![[Sales start at 10 PM on Friday, November 21st] TV anime "Magical Girls and Evil Were Once Enemies" x KARATZ collaboration tin mirror featuring newly drawn illustration](http://store.karatz.jp/cdn/shop/files/1d418f01ef377f6875b664fb78e3fd74.jpg?v=1751935469&width=2250)
![[Sales start at 10 PM on Friday, November 21st] Heart-shaped badge featuring a newly drawn illustration from the TV anime "Once Upon a Time, Magical Girls and Evil Were Enemies." x KARATZ collaboration](http://store.karatz.jp/cdn/shop/files/ce7fda6ab48aa73ed08a665ad0e71fe1.jpg?v=1751934767&width=2250)
![[Sales start at 10 PM on Friday, November 21st] TV anime "Once Upon a Time, Magical Girls and Evil Were Enemies" x KARATZ collaboration acrylic key chain featuring newly drawn illustrations](http://store.karatz.jp/cdn/shop/files/45469d1b4a585b642446f6595788c1cf.jpg?v=1751934149&width=2250)
Indian Moonstone 3.367ct Loose
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.320ct Loose
Sale price¥15,800
Mexican Hyalite Opal 0.942ct Loose
Sale price¥9,800
Colombian Euclase 2.015ct loose stone
Sale price¥18,800
Brazilian Aquamarine 0.176ct Loose Stone
Sale price¥8,800
Mexican Hyalite Opal 6.0mm/0.708ct Loose
Sale price¥25,800
Moldavite from former Czechoslovakia 0.094ct loose stone
Sale price¥6,980
American Red Beryl 0.217ct Loose
Sale price¥49,800
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.