![[Item No. 22602824] Pt950 Brazilian Paraiba Tourmaline 0.046ct and Diamond 0.045ct Ring with Sorting Report](http://store.karatz.jp/cdn/shop/files/P9290640_d3949f33-bc11-4aa7-bb0f-f38d6df8d0d4.jpg?v=1793002027&width=4000)
![[Item No. 22602823] Pt950 Brazilian Paraiba Tourmaline 0.056ct and Diamond 0.056ct Ring with Sorting Report](http://store.karatz.jp/cdn/shop/files/P9290603.jpg?v=1790838766&width=4000)
![[Item #22602822] 18K Yellow Gold Brazilian Paraiba Tourmaline 0.055ct and Diamond 0.014ct Ring with Sorting Report](http://store.karatz.jp/cdn/shop/files/P9290563.jpg?v=1790838695&width=4000)
![[Lottery Sale ②_16][For Winners Only][Item 12564598] Ethiopian Paraiba Tourmaline 0.480ct Loose Stone (CuO: 2.291%, MnO: 0.627%) with GIA & Composition Analysis Report](http://store.karatz.jp/cdn/shop/files/P9300457_6c28516c-929e-4022-a883-bfc3b781a056.jpg?v=1790831911&width=1947)
![[Deadline: Sun, Oct 4, 10 AM: Lottery Sale ②_12] Brazilian Paraiba Tourmaline 0.669ct Loose Stone (CuO: 1.16%, MnO: 4.27%) CGL Certified](http://store.karatz.jp/cdn/shop/files/P7031395_6a8aceb7-ee08-4a5e-84b7-ec179e7760a5.jpg?v=1790746774&width=2917)
![[Deadline: 10/31 (Sat) 10 AM: Lottery Sale] Pt900 Brazilian Paraiba Tourmaline 0.175ct (CuO: 1.4%, MnO: 0.2%) & Diamond 0.185ct Ring](http://store.karatz.jp/cdn/shop/files/P8070028.jpg?v=1786085986&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.