![[On sale March 24th at 10 PM] Tanzanian Zoisite 0.956ct Loose Gemstone](http://store.karatz.jp/cdn/shop/files/P2060231_3a64a1ea-c0e0-4187-8d6b-d06ced37b438.jpg?v=1774180140&width=2634)
[On sale March 24th at 10 PM] Tanzanian Zoisite 0.956ct Loose Gemstone
Sale price¥19,800
[On Sale 2/13 at 10pm] Myanmar Jadeite 0.525ct Loose Stone
Sale price¥8,800
![[On Sale 2/13 at 10pm] Colombian Mint Emerald 5.1mm/0.517ct Loose Stone](http://store.karatz.jp/cdn/shop/files/20260201_P2058453.jpg?v=1770602452&width=4000)
[On Sale 2/13 at 10pm] Colombian Mint Emerald 5.1mm/0.517ct Loose Stone
Sale price¥12,800
![[On Sale at 10 PM on March 11th] Zimbabwean Apatite (UV Type) 0.703ct Loose Stone](http://store.karatz.jp/cdn/shop/files/20260201_P2058275.jpg?v=1773096052&width=4000)
![[On sale from 10pm on 2/11] Diamond rough (makeable) 0.284ct rough](http://store.karatz.jp/cdn/shop/files/20260201_P2036828.jpg?v=1770679177&width=4000)
[On sale from 10pm on 2/11] Diamond rough (makeable) 0.284ct rough
Sale price¥12,800
![[On Sale 2/11 at 10 PM] Russian Demantoid Garnet (Horsetail Certified) 5.1mm/0.664ct Loose Stone](http://store.karatz.jp/cdn/shop/files/20260201_P2047804.jpg?v=1770679177&width=4000)
![[On sale at 10pm on 2/15] 1.439ct loose cobalt calcite from Congo](http://store.karatz.jp/cdn/shop/files/P2047462.jpg?v=1770508653&width=4000)
[On sale at 10pm on 2/15] 1.439ct loose cobalt calcite from Congo
Sale price¥18,800
![[On Sale at 10 PM on February 15th] Congo Cobalt Calcite 7.5mm/1.791ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P2047422.jpg?v=1770508413&width=4000)
![[Sale at 10 PM on 2/8] [Sakura Shape] 1.224ct Loose Oregon Sunstone from the United States](http://store.karatz.jp/cdn/shop/files/PC251136.jpg?v=1769224082&width=4000)
![[On Sale 2/8 at 10 PM] Canadian Green Diamond Rough (Sawable) 0.338ct Rough (with Trigon)](http://store.karatz.jp/cdn/shop/files/P1190545.jpg?v=1770415881&width=4000)
![[On Sale 2/6 at 10pm] Colombian Oil-Free Emerald 0.510ct Loose GIA](http://store.karatz.jp/cdn/shop/files/P6095155_97466828-4631-4e90-b4ca-7ff6f8853a18.jpg?v=1686868907&width=3464)
[On Sale 2/6 at 10pm] Colombian Oil-Free Emerald 0.510ct Loose GIA
Sale price¥598,000
![[On Sale 2/1 at 10 PM] Mexican Fire Opal 0.218ct Loose (Faceted)](http://store.karatz.jp/cdn/shop/files/P1221603.jpg?v=1769815878&width=4000)
[On Sale 2/1 at 10 PM] Mexican Fire Opal 0.218ct Loose (Faceted)
Sale price¥18,800
![[On Sale 2/1 at 10pm] Sri Lankan Moonstone 1.578ct Loose](http://store.karatz.jp/cdn/shop/files/P1221749.jpg?v=1769775708&width=4000)
[On Sale 2/1 at 10pm] Sri Lankan Moonstone 1.578ct Loose
Sale price¥12,800
![[On Sale 2/1 at 10pm] Sri Lankan Moonstone 1.487ct Loose](http://store.karatz.jp/cdn/shop/files/P1221778.jpg?v=1769775708&width=4000)
[On Sale 2/1 at 10pm] Sri Lankan Moonstone 1.487ct Loose
Sale price¥14,800
![[On Sale 2/1 at 10pm] Colombian Emerald 0.451ct Loose](http://store.karatz.jp/cdn/shop/files/P1221450_64cab9a4-a405-4968-87e0-b89f5d5b8b9d.jpg?v=1769775710&width=2538)
[On Sale 2/1 at 10pm] Colombian Emerald 0.451ct Loose
Sale price¥39,800
Tourmaline 0.731ct loose
Sale price¥5,980
Mexican Fire Opal 0.277ct Loose (Faceted Cut)
Sale price¥5,980
Mexican Fire Opal 0.472ct Loose (Star Cut, Faceted Cut)
Sale price¥8,800
Mexican Fire Opal 0.564ct Loose (Faceted Cut)
Sale price¥12,800
Colombian trapiche emerald (reverse trapiche) 0.457ct rough stone
Sale price¥25,800
Cambodian blue zircon (Ratanakiri blue) 0.453ct loose
Sale price¥6,980
Pakistani Oil in Quartz 0.651ct Loose Stone
Sale price¥7,980
Pakistani Oil in Quartz 0.443ct Loose Stone
Sale price¥5,980
Oregon Sunstone 1.507ct loose
Sale price¥9,800
Oregon Sunstone 0.846ct loose
Sale price¥7,980
Oregon Sunstone 0.852ct loose
Sale price¥7,980
Mexican Opal 0.790ct Loose (Contrarus Opal, Faceted Cut)
Sale price¥18,800
Rubellite 0.549ct loose
Sale price¥19,800
Green tourmaline 0.388ct loose
Sale price¥8,800
![[Available at 10 PM on 2/6] Unheated Pigeon Blood Ruby 5.0mm/0.520ct Loose Stone AIGS](http://store.karatz.jp/cdn/shop/files/P1295002_a4c07bbc-fed4-4b03-8a63-aea5e7294089.jpg?v=1770241925&width=4000)
![[On Sale at 10 PM on 2/6] Brazilian Yellow Beryl 1.473ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1307335_82b4dea1-06a1-4be1-a285-c753de4527e9.jpg?v=1770242202&width=2710)
[On Sale at 10 PM on 2/6] Brazilian Yellow Beryl 1.473ct Loose Stone
Sale price¥22,800
![[On Sale 2/6 at 10pm] Nepalese Bicolor Kyanite 0.742ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1307325_a79e34f7-ccdf-416c-b3ca-9ef12ff02679.jpg?v=1770242202&width=3173)
[On Sale 2/6 at 10pm] Nepalese Bicolor Kyanite 0.742ct Loose Stone
Sale price¥18,800
![[On Sale 2/6 at 10pm] Kenyan Idocrase 0.650ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1307227.jpg?v=1770242202&width=4000)
[On Sale 2/6 at 10pm] Kenyan Idocrase 0.650ct Loose Stone
Sale price¥12,800
![[On Sale 2/7 at 10pm] Mongolian Color Change Andesine 0.882ct Loose Stone](http://store.karatz.jp/cdn/shop/files/collage_18fb8c90-d367-443a-ba86-88c67b5a37ff.png?v=1770295694&width=2250)
![[On Sale 2/4 at 10pm] Tibetan Andesine 0.348ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1307037.jpg?v=1770008752&width=4000)
[On Sale 2/4 at 10pm] Tibetan Andesine 0.348ct Loose Stone
Sale price¥12,800
![[On Sale 2/4 at 10pm] Indian Parrot Chrysoberyl 4.2mm/0.347ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1306936.jpg?v=1770035850&width=4000)
![[On Sale 2/7 at 10pm] Mozambique Rubellite 0.933ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1306898.jpg?v=1770295695&width=4000)
[On Sale 2/7 at 10pm] Mozambique Rubellite 0.933ct Loose Stone
Sale price¥25,800
![[On Sale 2/7 at 10pm] Mexican Opal (Faceted) 0.208ct Loose](http://store.karatz.jp/cdn/shop/files/P1306870.jpg?v=1770295695&width=4000)
[On Sale 2/7 at 10pm] Mexican Opal (Faceted) 0.208ct Loose
Sale price¥9,800
![[On Sale 2/4 at 10pm] Mexican Fire Opal 0.362ct Loose](http://store.karatz.jp/cdn/shop/files/P1306794.jpg?v=1770035999&width=4000)
[On Sale 2/4 at 10pm] Mexican Fire Opal 0.362ct Loose
Sale price¥15,800
![[On Sale 2/4 at 10pm] Mozambique Pink Spinel 0.227ct Loose](http://store.karatz.jp/cdn/shop/files/P1306713.jpg?v=1770036000&width=4000)
[On Sale 2/4 at 10pm] Mozambique Pink Spinel 0.227ct Loose
Sale price¥12,800
![[On Sale 2/4 at 10pm] Cambodian Blue Zircon 1.126ct Loose](http://store.karatz.jp/cdn/shop/files/P1306676.jpg?v=1770036000&width=4000)
[On Sale 2/4 at 10pm] Cambodian Blue Zircon 1.126ct Loose
Sale price¥18,800
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.