【1/17 22時販売】タンザニア産タンザナイト 0.680ctルース
Sale price¥15,800
Goshenite 1.989ct loose
Sale price¥18,800
Goshenite 1.620ct loose
Sale price¥15,800
Bicolor sapphire from Madagascar 0.265ct loose
Sale price¥16,800
American benitoite 0.098ct loose
Sale price¥25,800
American benitoite 0.102ct loose
Sale price¥22,800
American benitoite 0.101ct loose
Sale price¥25,800
American benitoite 0.097ct loose
Sale price¥24,800
American benitoite 0.127ct loose
Sale price¥28,800
American benitoite 0.133ct loose
Sale price¥29,800
Mexican water opal 0.212ct loose (contrarus opal)
Sale price¥18,800
![[12/31 22:00] Brazilian Pyrite in Quartz 6.992ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC255853.jpg?v=1766876852&width=4000)
[12/31 22:00] Brazilian Pyrite in Quartz 6.992ct Loose Stone
Sale price¥18,800
![[12/30 22:00 Sale] Brazilian Pyrite in Quartz 4.153ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC245809.jpg?v=1766836372&width=4000)
[12/30 22:00 Sale] Brazilian Pyrite in Quartz 4.153ct Loose Stone
Sale price¥11,000
![[On Sale at 10 PM on January 9th] German Auchenite 2.7mm/0.076ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC256187_5256348f-8261-4730-8318-9d6d8d109efc.jpg?v=1767700056&width=2577)
![[On Sale at 10 PM on January 1st] Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.221ct Loose Stone](http://store.karatz.jp/cdn/shop/files/collage_3ce96f6b-64e2-48e0-a6ad-1a7b632e0f7c.png?v=1767139272&width=2250)
![[1/1 10pm Sale] Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.189ct Loose Stone](http://store.karatz.jp/cdn/shop/files/collage_dc13498b-2187-4699-a810-f567f7d435df.png?v=1767139156&width=2250)
![[On Sale at 10 PM on January 1st] Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.183ct Loose Stone](http://store.karatz.jp/cdn/shop/files/collage_291d3077-5f61-47a0-bfed-144d684da372.png?v=1767139156&width=2250)
![[12/29 22:00] Colombian Emerald 3.3mm/0.131ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC267145.jpg?v=1766751553&width=4000)
[12/29 22:00] Colombian Emerald 3.3mm/0.131ct Loose Stone
Sale price¥25,800
![[12/29 22:00] Zimbabwean Euclase 2.2mm/0.065ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC266973_2bd6e2f2-e9b6-47f2-92b4-eefbe5ad4b63.jpg?v=1766751551&width=2663)
[12/29 22:00] Zimbabwean Euclase 2.2mm/0.065ct Loose Stone
Sale price¥14,800
![[On Sale at 10 PM on January 6th] Mexican Water Opal (Faceted) 0.215ct Loose (Contralus Opal)](http://store.karatz.jp/cdn/shop/files/PC043015_5b1ccc8f-4878-4de6-825d-afb89bf60c71.jpg?v=1767484572&width=3310)
![[On Sale at 10 PM on January 8th] Tanzanian Dragon Garnet 1.042ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P9101062_4874d75d-ef25-47b8-8ebb-bd24e2502d84.jpg?v=1767705995&width=3021)
![[On Sale at 10 PM on January 8th] Tanzanian Dragon Garnet 1.181ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P9100924_95b3eed2-cddd-486b-8c27-8bdd5171c94f.jpg?v=1767706195&width=2847)
![[On Sale at 10 PM on January 8th] Colombian Emerald 0.091ct Loose](http://store.karatz.jp/cdn/shop/files/P8295775_e8a25644-3f7e-4f35-b74b-ff2fdb5bf22b.jpg?v=1767706799&width=2349)
[On Sale at 10 PM on January 8th] Colombian Emerald 0.091ct Loose
Sale price¥15,800
![[12559002] Cambodian Blue Zircon (Ratanakiri Blue) 0.674ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1098663.jpg?v=1767992682&width=4000)
[12559002] Cambodian Blue Zircon (Ratanakiri Blue) 0.674ct Loose Stone
Sale price¥15,800
![[12559052] Brazilian Blue Tourmaline 0.827ct Loose](http://store.karatz.jp/cdn/shop/files/P1088505_78dc3187-5c6c-49c4-b39d-0b9af87a7a5f.jpg?v=1767992160&width=3060)
[12559052] Brazilian Blue Tourmaline 0.827ct Loose
Sale price¥19,800
0.245ct rough diamond
Sale price¥29,800
0.604ct rough diamond
Sale price¥12,800
![[12561788] Dendritic Quartz 25.875ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1088181.jpg?v=1768172825&width=4000)
[12561788] Dendritic Quartz 25.875ct Loose Stone
Sale price¥29,800
【1/14 22時販売】ブラジル産バイカラートパーズ（バイカラーブルートパーズ） 2.884ctルース（無処理）
Sale price¥29,800
Synthetic rutile 5.8mm/0.904ct loose stone
Sale price¥12,800
Synthetic rutile 5mm/0.553ct loose stone
Sale price¥12,800
Paraiba tourmaline from Brazil 0.066ct loose
Sale price¥18,800
Paraiba tourmaline from Mozambique 0.270ct loose
Sale price¥18,800
Mexican Water Opal 1.790ct Loose (Contralus Opal)
Sale price¥29,800
Diamond 0.126ct loose (F, VS2, octagonal cut)
Sale price¥22,800
Diamond 0.096ct loose (D, SI1, octagonal cut)
Sale price¥18,800
Diamond 0.120ct loose (G, VS2, Excellent H&C)
Sale price¥25,800
American red beryl 0.141ct loose
Sale price¥14,800
American red beryl 0.208ct loose
Sale price¥22,800
American red beryl 0.115ct loose
Sale price¥12,800
American red beryl 0.143ct loose
Sale price¥15,800
![[Sales start at 10pm on Wednesday, December 10th] Adult Sebon Star Adjuster Charm](http://store.karatz.jp/cdn/shop/files/P9170504.jpg?v=1738627942&width=4000)
![[Sales start at 10 PM on Wednesday, December 10th] Sebon Star Jewelry for Adults, Part 3: Sebon Star Pendant for Adults, Mirage Edition (Silver Model/Precious Model)](http://store.karatz.jp/cdn/shop/files/P8061894.jpg?v=1761201097&width=4000)
![[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)
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.