![[On Sale 10/11 at 10 PM] Brazilian Paraiba Tourmaline 0.170ct Loose Stone (CuO: 2.1%, MnO: 1.1%)](http://store.karatz.jp/cdn/shop/files/P9055559_913b3161-0377-4e63-a7b4-5b2f943979a1.jpg?v=1760050993&width=3296)
![[Available at 10 PM on 10/11] [Limited to 15 stones] Blue Stone Gacha (Top Color Benitoite 2.0mm, Paraiba Tourmaline in Quartz, Unheated Yogo Sapphire) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/collage_990d7674-31c7-4cf4-99fb-32b47ab56a31.png?v=1759991382&width=2250)
![[On sale from 10/10 at 10 PM] [Limited to 10 stones] Brazilian Bicolor Tourmaline Loose Stone (Baguette Cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/14_15be1edf-3bee-4b6c-a802-65c04eb4d4a9.png?v=1759454008&width=1500)
![[On Sale 10/11 at 10 PM] [Limited to 18 stones] Brazilian Paraiba Tourmaline (Cabochon Cut, Approx. 2.2mm) Loose Stone [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/P1010295_d8ab5f93-85a4-4f5a-ad44-3da845e08082.jpg?v=1759971801&width=4000)
![[10/10 22:00 Sale] Brazilian Green Tourmaline 0.490ct Loose](http://store.karatz.jp/cdn/shop/files/PA033767_8fe0af6a-fc7f-40c7-b854-d3104963a93d.jpg?v=1759637339&width=2710)
![[On sale from 10/10 at 10pm] Illusion Tourmaline (Iridescent Tourmaline) 0.622ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA037043_b6cc0d0a-9100-4d6f-bef7-328373875d14.jpg?v=1759929729&width=4000)
Unheated Brazilian Color Change Paraiba Tourmaline 0.30ct Loose GIA
Sale price¥1,280,000
Brazilian Paraiba tourmaline 0.065ct loose (CuO:2.0%, MnO:2.6%)
Sale price¥22,800
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.
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.