Diaspore 0.660ct loose
Sale price¥3,980
Bicolor tourmaline 1.704ct loose
Sale price¥12,800
Bicolor tourmaline 1.440ct loose
Sale price¥9,800
Pink tourmaline 0.734ct loose
Sale price¥7,980
Pink tourmaline 1.011ct loose
Sale price¥8,800
Pink tourmaline 0.553ct loose
Sale price¥6,980
Pink tourmaline 0.506ct loose
Sale price¥5,980
Pink tourmaline 0.377ct loose
Sale price¥3,980
Colombian trapiche emerald (reverse trapiche) 0.101ct rough stone
Sale price¥12,800
Colorless zircon 1.831ct loose
Sale price¥12,800
[Koshu precious stone Kiriko plusthree] Citrine 1.137ct loose with patch
Sale price¥19,800
[Koshu precious stone cut plusthree] Citrine 0.962ct loose with patch
Sale price¥19,800
Pink tourmaline 0.915ct loose
Sale price¥7,980
![[12560183] Mexican Fire Opal (Faceted) 0.207ct Loose](http://store.karatz.jp/cdn/shop/files/P8084548_bc56aff9-2161-409d-861c-3da78d7018eb.jpg?v=1755911284&width=3336)
[12560183] Mexican Fire Opal (Faceted) 0.207ct Loose
Sale price¥12,800
![[12560198] American Peridot 0.423ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P8083938_b748c38a-9b0d-4e7e-a037-36039cc28ca0.jpg?v=1756073003&width=3062)
[12560198] American Peridot 0.423ct Loose Stone
Sale price¥6,980
![[Published on 12560212] Zimbabwean sphene 0.457ct loose stone](http://store.karatz.jp/cdn/shop/files/P8083520_79ca789f-c0dc-40ae-b38e-33b5a2b2aae6.jpg?v=1756072728&width=3496)
[Published on 12560212] Zimbabwean sphene 0.457ct loose stone
Sale price¥8,800
[On sale at 10pm on August 8th] Zimbabwean Euclase 0.545ct Rough Stone
Sale price¥29,800
![[Available from 10/8] [Limited to 7 stones] Brazilian Santa Maria Aquamarine Loose Stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010216_202f7339-09bc-46f1-9dcd-7ec0e44b5b2e.jpg?v=1754619579&width=4000)
![[Available at 10 PM on August 14th] [Limited to 10 stones] Brazilian Santa Maria Aquamarine Loose Stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010244_bcc49139-ef12-4373-ab57-65a246bbdbeb.jpg?v=1755049700&width=4000)
![[On Sale at 10 PM on August 11th] 0.060ct Loose GIA Emerald from Madagascar, No Oil](http://store.karatz.jp/cdn/shop/files/P7111504_2a68ed93-d0a2-40e9-bf36-967ced39df1c.jpg?v=1754697292&width=2156)
![[On Sale at 10 PM on August 11th] Afghanistan Oil-Free Emerald 0.100ct Loose GIA](http://store.karatz.jp/cdn/shop/files/P7111592_98142a6f-80c3-4a13-a3fb-bec4bd6d515a.jpg?v=1754698988&width=2102)
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.