![[Available at 10 PM on December 20th] Limited to 11 Stones: Montana Sapphire (Rock Creek Mine) Gacha! 1 Loose Stone (Oval Cut, 5x3mm) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/PC160083.jpg?v=1766185425&width=4000)
![[Available at 10 PM on December 20th] Limited Edition of 7 Montana Sapphires (Rock Creek Mine) Gacha (Pear Shape, Approx. 5 x 3mm) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/PC160141.jpg?v=1766185869&width=4000)
![[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)
![[12/19-12/25 Shinjuku Marui Annex] Oda Sakunosuke model](http://store.karatz.jp/cdn/shop/files/01.jpg?v=1764723334&width=1080)
![[Sale: Friday, December 19th, 10 PM] "Bungo and Alchemist" x KARATZ Collaboration Jewelry "Part 3" Bungo Ring [Edogawa Ranpo Model Ring]](http://store.karatz.jp/cdn/shop/files/02_db3f7ed0-177f-418b-b788-6f945e929acf.jpg?v=1764724403&width=1080)
![[Sale: Friday, December 19th, 10 PM] "Bungo and Alchemist" x KARATZ Collaboration Jewelry "Part 3" Bungo Ring [Kikuchi Kan Model Ring]](http://store.karatz.jp/cdn/shop/files/03_d1fff56d-18a4-444f-bd64-dfa11a0b9a45.jpg?v=1764724993&width=1080)
![[Sale at 10 PM on December 20th] [Limited to 6 stones] Brazilian Pyrite in Quartz Loose Stone (Average 3.2 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_b9e9b6ce-b87d-411c-a44c-3a67ddfaa555.png?v=1766359287&width=2250)
![[On sale until 10 PM] Limited to 10 stones: Yamamoto Cut Gacha, featuring carnelian, lemon quartz, rock crystal, and more. Discounts available for multiple purchases.](http://store.karatz.jp/cdn/shop/files/1_955659c7-bb8f-4263-af29-7d0064fd22c4.png?v=1765352106&width=4000)
American benitoite 0.147ct loose
Sale price¥35,800
American benitoite 0.097ct loose
Sale price¥24,800
American benitoite 0.101ct loose
Sale price¥25,800
American benitoite 0.127ct loose
Sale price¥28,800
American benitoite 0.133ct loose
Sale price¥29,800
American benitoite 0.102ct loose
Sale price¥22,800
American benitoite 0.187ct loose
Sale price¥39,800
Russian demantoid garnet cat's eye (horsetail recognized) 0.171ct loose
Sale price¥15,800
Russian demantoid garnet cat's eye (horsetail recognized) 0.222ct loose
Sale price¥18,800
Mint green sapphire 0.348ct loose
Sale price¥9,800
Mint color tourmaline 0.198ct loose
Sale price¥4,980
Mint color tourmaline 0.229ct loose
Sale price¥4,980
Pink tourmaline 0.205ct loose
Sale price¥4,980
Bicolor sapphire from Madagascar 0.252ct loose
Sale price¥9,800
Bicolor sapphire from Madagascar 0.259ct loose
Sale price¥4,980
Bicolor sapphire from Madagascar 0.198ct loose
Sale price¥7,980
Bicolor sapphire from Madagascar 0.212ct loose
Sale price¥7,980
Mexican water opal 0.212ct loose (contrarus opal)
Sale price¥18,800
Yellow sapphire from Sri Lanka 0.222ct loose
Sale price¥9,800
Goshenite 1.620ct loose
Sale price¥15,800
Goshenite 1.989ct loose
Sale price¥18,800
Dendritic Agate 2.964ct loose
Sale price¥8,800
Diaspore 1.209ct loose from Türkiye
Sale price¥15,800
Diaspore from Türkiye 0.636ct loose
Sale price¥9,800
Brazilian kyanite in quartz 13.740ct loose
Sale price¥29,800
Brazilian kyanite in quartz 4.770ct loose
Sale price¥12,800
Chinese aragonite 36.409ct loose with patch
Sale price¥5,980
Brazilian Trapichea Amethyst 24.772ct loose with patch
Sale price¥6,980
Tourmaline cat's eye 0.910ct loose
Sale price¥4,980
Bicolor Zoisite 1.210ct loose
Sale price¥15,800
Danburite 1.427ct loose stone
Sale price¥3,980
Aquamarine cat's eye 3.528ct loose
Sale price¥3,980
Mexican fire agate 3.800ct loose
Sale price¥5,980
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.