Brazilian Mica in Rose Quartz Cabochon, 8.477ct
Sale price¥11,000
Unheated Brazilian Imperial Topaz (Sherry Color) 0.314ct Loose
Sale price¥22,800
Brazilian Indicolite Tourmaline 0.352ct Loose Stone with Certification
Sale price¥29,800
[On Sale May 14th at 10 PM] Colombian Emerald 0.689ct Loose Stone
Sale price¥18,800
Ruby 0.528ct Loose Stone with Gem Identification Report
Sale price¥28,800
Mexican Cantera Opal 5.811 ct Loose Stone with Certificate
Sale price¥29,800
Mexican Cantera Opal 7.520 ct Loose Stone with Appraisal
Sale price¥24,800
[On sale May 2nd at 10 PM JST] K18 Peridot Chain Ring
Sale price¥22,800
[On sale May 2nd at 10 PM JST] K18 Aquamarine Chain Ring
Sale price¥24,800
Colombian emerald 0.499ct rough stone
Sale price¥14,800
Bicolor Tanzanite 5.582ct rough stone
Sale price¥18,800
Colombian Trapiche Emerald 0.422ct Loose
Sale price¥18,800
Loose Brown Diamond 0.290ct (FANCY BROWN, SI-2)
Sale price¥15,800
[On sale May 2nd at 10 PM] K18 Amethyst Chain Ring
Sale price¥18,800
![[On Sale May 2 at 10 PM] Ruby 0.286ct Loose Gemstone with Identification Report](http://store.karatz.jp/cdn/shop/files/P2197889_4020ad31-fba6-4c2b-94c0-ba3f34311857.jpg?v=1774485888&width=2690)
[On sale at 10 PM on May 2nd] Mexican Cantera Opal 32.560ct Loose Stone
Sale price¥29,800
![[On sale May 3rd at 10 PM] Pink Diamond 0.137ct Loose (FANCY DEEP BROWNISH PINK, I-1)](http://store.karatz.jp/cdn/shop/files/32501866_02.jpg?v=1775722654&width=1200)
[On sale May 10th at 10 PM] Tanzanian Tanzanite 0.406ct Loose Stone
Sale price¥12,800
Paraiba Tourmaline from Brazil, 0.034ct Loose (CuO: 1.8%, MnO: 2.4%)
Sale price¥29,800
![[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)
![[Sales End on Monday, January 12th] TV Anime "Tokyo Ghoul" x KARATZ Collaboration Kaneki Rinkaku Image Ring & Pendant | Silver (SV925)](http://store.karatz.jp/cdn/shop/files/1080x1080px_98c232d5-2921-4850-b446-5910abe8087b.jpg?v=1749301505&width=2250)
![[Sales End on Monday, October 13th] TV Anime "The Apothecary Diaries" x KARATZ Collaboration Neko Neko Model Ring](http://store.karatz.jp/cdn/shop/files/kusuriya_bnr_02_1080x1080_f19106a0-c741-4153-bb38-6ba5d81e262f.jpg?v=1744591968&width=1080)
![[Sales End on Monday, October 13th] TV Anime "The Apothecary Diaries" x KARATZ Collaboration Jinji Model Ring](http://store.karatz.jp/cdn/shop/files/kusuriya_bnr_03_1080x1080_a68bf0a9-abdd-4b0f-a83b-458530aac406.jpg?v=1744592016&width=1080)
![[Sales end on Sunday, May 10th] Assassination Classroom x KARATZ Collaboration Karma Akabane Model Ring](http://store.karatz.jp/cdn/shop/files/ansatsu2_bnrB_1_1080x1080_f0a5caf5-70b2-4ca3-98ed-875bc439b1bd.jpg?v=1771996033&width=1080)
![[Sales End on Monday, January 12th] 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 Sunday, February 8th] 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)
![[Sales End on Monday, October 13th] {Ships in approximately one week} TV Anime "The Apothecary Diaries" x KARATZ Collaboration Neko Neko Prostitute Earrings (Single Ear)](http://store.karatz.jp/cdn/shop/files/kusuriya_bnr_01_1080x1080_cabff7dd-56de-453c-86dd-0f08ed0fc335.jpg?v=1745198345&width=1080)
![[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)
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.