[Dandelion Cut] YAG (Yttrium Aluminum Garnet) 9mm/4.121ct Loose Patch
Sale price¥39,800
Congo Malachite 34.667ct Loose Patch
Sale price¥6,980
[Koshu Precious Stone Cut] Hematite in Quartz 5.155ct Loose Patch
Sale price¥45,800
Sakura Shape Brazilian Topaz 8.1mm/2.211ct Loose Stone
Sale price¥29,800
Chinese Fluorite 16.590ct Loose Patch
Sale price¥5,980
![[Koshu Precious Stone Cutting] Brazilian Sky Blue Topaz 10.60ct Loose Stone [Collaboration] Patch](http://store.karatz.jp/cdn/shop/files/P5120836.jpg?v=1747480996&width=4000)
Opal 1.242ct loose stone
Sale price¥19,800
![[Koshu Precious Stone Cutting] Fluorite in Quartz 6.420ct Loose Stone [Collaboration] Patch](http://store.karatz.jp/cdn/shop/files/collage_3269a09e-f7e8-4625-a34c-9b27a3584d4b.png?v=1746103198&width=2000)
![[Koshu Precious Stones Plusthree] Sri Lankan Hessonite Garnet 0.99ct Loose Color "Collaboration" Patch](http://store.karatz.jp/cdn/shop/files/099ct-663728.jpg?v=1745883466&width=1038)
[Koshu Precious Stones plusthree] Bicolor Fluorite 5.030ct Loose Patch
Sale price¥29,800
![[Koshu Precious Stone Cut] Bicolor Fluorite 20.850ct Loose Stone [Collaboration] Patch](http://store.karatz.jp/cdn/shop/files/collage_cc003cbe-63f3-4a0a-9253-31012fc79497.png?v=1745533157&width=2000)
![[Koshu Precious Stone Cut] Scololite 5.350ct Loose Stone Patch](http://store.karatz.jp/cdn/shop/products/5350ct-167321_92a3d322-8cea-4718-867a-da0305e9cb8e.jpg?v=1745070984&width=1032)
[Koshu Precious Stone Cut] Scololite 5.350ct Loose Stone Patch
Sale price¥39,800
[Sakura Shape] Tanzanian Color Change Sapphire 7.1mm/1.667ct Loose
Sale price¥29,800
[Sakura Shape] Brazilian Green Tourmaline 6.7mm/1.057ct Loose Patch
Sale price¥39,800
[Sakura Shape] Mexican Opal 8.2mm/1.465ct {Collaboration} Loose Patch
Sale price¥45,800
[Dandelion Cut] Rhodolite Garnet 1.115ct {Collaboration} Loose Stone
Sale price¥29,800
Quartz 15.493ct loose patch
Sale price¥9,800
[Sakura Incut] Brazilian Blue Topaz 16mm/15.329ct Loose Patch
Sale price¥39,800
Brazilian Quartz (Striped Quartz) 15.019ct Loose Patch
Sale price¥8,800
[Dandelion cut] Pyrope almandine garnet 9.0mm/3.566ct loose stone
Sale price¥35,800
[Dandelion Cut] Brazilian Pink Tourmaline 7mm Loose Patch
Sale price¥55,800
[Sakura Shape] Mexican Opal 2.551ct Loose Patch
Sale price¥59,800
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.
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.