![[On sale at 10pm on January 21st] Tanzanite from Tanzania 0.467ct loose stone](http://store.karatz.jp/cdn/shop/files/PC052685_86d77fee-5916-4226-85f9-fb6b8067edb4.jpg?v=1768878572&width=2561)
![[On Sale at 10 PM on January 21st] Tanzanite from Tanzania 0.436ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052723_f3d01ab6-8f8c-4558-a15e-96c2758ed7b1.jpg?v=1765587394&width=2909)
![[On Sale at 10 PM on January 21st] Tanzanite from Tanzania 0.730ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1159967_520088ea-e309-45fd-9700-80e7c203627f.jpg?v=1768827136&width=2948)
![[Sale at 10 PM on January 12th] [Sakura In-Cut] Tanzanite from Tanzania, 6.0mm/0.774ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P8296713_23d503d4-c6c3-4986-a7a9-02eeb87cd8e5.jpg?v=1768176307&width=3298)
![[On Sale at 10 PM on January 11th] Myanmar Color Change Zircon 0.697ct Loose](http://store.karatz.jp/cdn/shop/files/collage_7259b0be-cb59-4ae4-a7cf-8c69c0ae6cfe.png?v=1767992415&width=2250)
![[On Sale at 10 PM on January 11th] Myanmar Color Change Zircon 5.3mm/1.043ct Loose Stone](http://store.karatz.jp/cdn/shop/files/collage_091d2811-9ea8-42a8-8027-ab7d20084e98.png?v=1768050423&width=2250)
![[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)
Madagascar Iolite 0.644ct Loose Stone
Sale price¥7,980
![[12/7 22:00] Tanzanian Zoisite 1.312ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052795_87a82d9b-570c-4ae4-b889-ab9a76d6a0c7.jpg?v=1765587236&width=3276)
[12/7 22:00] Tanzanian Zoisite 1.312ct Loose Stone
Sale price¥18,800
Sri Lankan star sapphire 3.821ct loose
Sale price¥79,800
![[On Sale at 10 PM on January 19th] Madagascar Sapphire 4.6mm/0.472ct Loose](http://store.karatz.jp/cdn/shop/files/PC093439.jpg?v=1768701105&width=4000)
![[1/2 22:00 Sale] Brazilian Amethyst 0.256ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC240059_7cdf0217-7619-4288-bd26-b3eefae0559d.jpg?v=1767275100&width=2952)
[1/2 22:00 Sale] Brazilian Amethyst 0.256ct Loose Stone
Sale price¥8,800
Madagascar Dumortierite (single crystal) 0.195ct loose stone
Sale price¥89,800
Brazilian rose amethyst 0.793ct loose stone
Sale price¥15,800
![[1/9 22:00 Sale] Tanzanian Rhodolite Garnet 2.081ct Loose Stone, Japan-Germany Qualification](http://store.karatz.jp/cdn/shop/files/PB070209_3d92bff8-281b-49d0-ac83-94ec224f4fbc.jpg?v=1767826499&width=2514)
Afghanistan Hackmanite 0.177ct loose stone
Sale price¥14,800
Sri Lankan purple spinel 1.060ct loose stone
Sale price¥98,000
Brazilian Elestial Amethyst 1.378ct Loose Stone
Sale price¥12,800
Brazilian Elestial Amethyst 0.970ct Loose Stone
Sale price¥7,980
Brazilian Elestial Amethyst 1.586ct Loose Stone
Sale price¥8,800
Tanzanite from Tanzania 0.342ct loose stone
Sale price¥7,980
Tanzanite from Tanzania 0.342ct loose stone
Sale price¥7,980
Rhodolite Garnet 5.3mm/0.703ct Loose Stone
Sale price¥12,800
Brazilian Kasharai Amethyst 5.6mm/0.460ct Loose Stone
Sale price¥8,800
Brazilian Kasharai Amethyst 0.314ct Loose Stone
Sale price¥9,800
Indian Iolite Sunstone 0.228ct Loose Stone
Sale price¥6,980
Brazilian Amethyst 5.883ct Loose Stone
Sale price¥9,800
Brazilian Color-Shifting Amethyst 0.849ct Loose Stone
Sale price¥8,800
![[1/11 22:00 Sale] Tanzanian Malaya Garnet 0.569ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA160561_57b1a04f-1a21-4fcd-9995-4e6b6ff35135.jpg?v=1767911117&width=2816)
[1/11 22:00 Sale] Tanzanian Malaya Garnet 0.569ct Loose Stone
Sale price¥8,800
Mozambique Rhodolite Garnet 1.052ct Loose Stone
Sale price¥8,800
Tanzanian purple sapphire 0.355ct loose stone
Sale price¥9,800
Afghanistan Hackmanite 0.134ct loose stone
Sale price¥6,980
Afghanistan Hackmanite 0.121ct loose stone
Sale price¥6,980
Afghanistan Hackmanite 0.115ct loose stone
Sale price¥22,800
Afghanistan Hackmanite 0.091ct loose stone
Sale price¥18,800
South African Sugilite 5.2mm/0.434ct Loose Stone (Rose Cut)
Sale price¥18,800
Tanzanian Rhodolite Garnet 0.801ct Loose Stone
Sale price¥9,800
Tanzanian Rhodolite Garnet 0.405ct Loose Stone
Sale price¥6,980
![[On Sale at 10 PM on January 14th] Tanzanian Rhodolite Garnet 5.1mm/0.656ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P9090272_627bdddd-14d5-4f18-bf88-cf57a37c850a.jpg?v=1768280580&width=2748)
Tanzanian magnesioaxinite 0.380ct loose stone, Japan-Germany Quantity
Sale price¥39,800
Brazilian Elestial Amethyst 0.809ct Loose Stone
Sale price¥6,980
Brazilian Elestial Amethyst 0.673ct Loose Stone
Sale price¥9,800
Brazilian Elestial Amethyst 0.482ct Loose Stone
Sale price¥4,980
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.