Custom Cut
![[Yukinko Cut] Synthetic Sapphire 2.102ct Loose Stone](http://store.karatz.jp/cdn/shop/files/20260201_P2059016.jpg?v=1770604028&width=4000)
![[Yukinko Cut] Siberian Blue Quartz (Synthetic Quartz) 0.999ct Loose Stone](http://store.karatz.jp/cdn/shop/files/20260201_P2058911_47088e74-c0b2-4b11-97b3-b28ba02df0ed.jpg?v=1771020380&width=2996)
![[Yukinko Cut] Siberian Blue Quartz (Synthetic Quartz) 2.420ct Loose Stone](http://store.karatz.jp/cdn/shop/files/20260201_P2058831.jpg?v=1770603699&width=4000)
![[Sakura Shape] Oregon Sunstone from the United States, 1.224ct Loose](http://store.karatz.jp/cdn/shop/files/PC251136.jpg?v=1769224082&width=4000)
![[Koshu Precious Stones plusthree] Brazilian Garden Quartz 47.809ct Loose](http://store.karatz.jp/cdn/shop/files/P1190406.jpg?v=1769168588&width=4000)
![[On Sale at 10 PM on December 7th] Rainbow Garnet (Andradite Garnet) 2.365ct Loose Stone from Tenkawa Village, Nara Prefecture](http://store.karatz.jp/cdn/shop/files/PC042583_ed14c696-0ca4-428b-b133-1d94fcdbc792.jpg?v=1765631180&width=3170)
![[On Sale at 10 PM on December 9th] American Peridot 0.855ct Loose Stone (Lily Pad Inclusions)](http://store.karatz.jp/cdn/shop/files/PC042970.jpg?v=1765631710&width=4000)
![[12/10 22:00 Sale] Pakistani Ludwigite Peridot 0.609ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC032326.jpg?v=1765630680&width=4000)
![[Sakura Shape] Oregon Sunstone from the United States, 1.201ct Loose](http://store.karatz.jp/cdn/shop/files/PC251174.jpg?v=1768606295&width=4000)
![[Sakura Shape] Oregon Sunstone from the United States, 1.104ct Loose](http://store.karatz.jp/cdn/shop/files/PC251037.jpg?v=1767749060&width=4000)
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.