![[Deadline: Thu, Oct 15, 10:00 AM: Lottery Sale_07] Brazilian Paraiba Tourmaline (Eitorita) 0.210ct Loose Stone (CuO: 1.8wt%, MnO: 3.7wt%) GIA](http://store.karatz.jp/cdn/shop/files/PA070072_25c2fe5a-d80f-4510-89b2-17fd72695ee5.jpg?v=1791635422&width=2808)
![[Deadline: Thu, Oct 15, 10:00 AM: Lottery Sale_06] Brazilian Paraiba Tourmaline 0.030ct Loose Stone (CuO: 1.1%, MnO: 3.8%)](http://store.karatz.jp/cdn/shop/files/PA070004_ca5d5342-4bad-4df9-9109-600129575b0f.jpg?v=1791636101&width=2393)
![[10/15 (Thu) 10:00 AM Deadline: Lottery Sale_05] Brazilian Paraiba Tourmaline 0.053ct Loose Stone (CuO: 1.6%, MnO: 1.5%)](http://store.karatz.jp/cdn/shop/files/PA070038_21e14af6-250a-4e80-9552-0d3f0f13a422.jpg?v=1791636636&width=2609)
![[Item 12564549] Afghanistan Hauyne 0.199ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA010755_5da21e65-eec3-4925-b209-3deddb040bd7.jpg?v=1791980584&width=2731)
[Item 12564549] Afghanistan Hauyne 0.199ct Loose Stone
Sale price¥22,800
[Item 12564505] Brazilian Amethyst 14.813ct Loose Stone
Sale price¥15,800
![[Sales end Monday, August 31] Adult Sebonstar Vol. 4 "Swan Tiara Pendant" Precious Model Pt950](http://store.karatz.jp/cdn/shop/files/HOCUdkeaMAA2GQ1.jpg?v=1787452001&width=1080)
![[Deadline: Thu, Oct 15, 10 AM: Lottery Sale_08] Unheated Brazilian Paraiba Tourmaline (Color Change) 0.300ct Loose Stone (CuO: 1.6%, MnO: 2.9%) GIA](http://store.karatz.jp/cdn/shop/files/collage_83f0042f-0240-4f4e-9605-7d8d41a1dc29.png?v=1791635826&width=2000)
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.