Brazilian Medusa Quartz (Paraiba Quartz) 10.298ct loose
Sale price¥7,980
Brazilian Medusa Quartz (Paraiba Quartz) 5.809ct loose
Sale price¥6,980
Brazilian Medusa Quartz (Paraiba Quartz) 3.441ct loose
Sale price¥3,980
Brazilian Medusa Quartz (Paraiba Quartz) 2.757ct loose
Sale price¥3,980
![[On Sale at 10 PM on December 7th] Madagascar Andesine Labradorite Moonstone (also known as Rainbow Moonstone) 0.178ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052855_857b4320-efea-4ef8-b2dc-ff8f43f91566.jpg?v=1765587147&width=2968)
![[12/10 22:00 Sale] Indian Moonstone 6.1mm/0.878ct Loose Stone (Rose Cut)](http://store.karatz.jp/cdn/shop/files/PC032133_305a91c4-6921-466f-b86b-6196b85216e3.jpg?v=1765630124&width=4000)
![[12/10 22:00] Mali Garnet (Grossular/Andradite Garnet) 1.008ct Loose Stone from the Republic of Mali with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/PC031988.jpg?v=1765589363&width=4000)
![[12/12 22:00 Sale] Mali Garnet (Grossular/Andradite Garnet) 0.811ct Loose Stone from the Republic of Mali with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/PC031939.jpg?v=1765589124&width=4000)
![[12/12 22:00 Sale] Mali Garnet (Grossular/Andradite Garnet) 0.741ct Loose Stone from the Republic of Mali with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/PC031851_34d7dc05-0847-41cd-820d-223f93e7910b.jpg?v=1765589124&width=4000)
Brazilian Medusa Quartz (Paraiba Quartz) 3.919ct loose
Sale price¥6,980
![[12/14 22:00] Indian Moonstone 5.1mm/0.426ct Loose Stone (Rose Cut)](http://store.karatz.jp/cdn/shop/files/PC032082.jpg?v=1765629901&width=4000)
[12/14 22:00] Indian Moonstone 5.1mm/0.426ct Loose Stone (Rose Cut)
Sale price¥6,980
![[Available at 10 PM on December 20th] Mali Garnet (Grossular/Andradite Garnet) 0.872ct Loose Stone from the Republic of Mali with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/PC031911.jpg?v=1766184428&width=4000)
!["PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring - Enforcer Design [Tomoki Masatsugu Model] "Moonstone"](http://store.karatz.jp/cdn/shop/files/0575a6b5c87ca6dd50957fbff064cdcb.png?v=1747953941&width=3518)
![[2 stones remaining] 1 Tanzanian bicolor mint garnet loose stone (UV type) [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/collage_482bd6e8-3c3e-450b-a007-0f5bf8a3f6ab.png?v=1739537143&width=1000)
![[On sale November 16th at 10pm] [Limited to 32 stones] Namibian Mandarin Garnet Loose Stone (Round Cut, 2.5mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PB130022.jpg?v=1763179441&width=4000)
![[Available at 10 PM on November 8th] [Limited to 3 stones] Indian Andesine Labradorite (Rainbow Moonstone) Flower Carving, 6mm, 1 stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010023.jpg?v=1755868377&width=4000)
Brazilian Medusa Quartz (Paraiba Quartz) 0.614ct Loose Stone
Sale price¥9,800
Moldavite from the former Czechoslovakia, 0.090ct loose stone
Sale price¥9,800
Brazilian Morganite 0.484ct loose stone
Sale price¥12,800
Brazilian Morganite 0.377ct loose stone
Sale price¥8,800
UV type mint garnet 0.521ct loose
Sale price¥3,980
Musgravite from Myanmar 0.546ct loose Japanese German edition
Sale price¥98,000
Brazilian Medusa Quartz (Paraiba Quartz) 1.181ct loose
Sale price¥3,980
Indian moonstone 1.046ct loose stone
Sale price¥9,800
Indian Moonstone 9.3mm/2.693ct Loose Stone
Sale price¥9,800
Nigerian morganite 1.149ct loose stone
Sale price¥19,800
Montebrasite from Madagascar 0.328ct loose
Sale price¥3,980
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.