![[10/12 22:00 Sale] Pakistani Veirinite 0.145ct Loose Stone with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/P3269069_711f8c0b-cf71-4b00-b2a6-23c63a32ec2f.jpg?v=1760067158&width=3162)
[10/12 22:00 Sale] Pigeon Blood Ruby 3.7mm/0.230ct Loose Stone AIGS
Sale price¥39,800
![[10/12 22:00 Sale] Pigeon Blood Ruby 0.320ct Loose Stone AIGS](http://store.karatz.jp/cdn/shop/files/P8214595_5dd833e9-551d-49c8-b63e-13d6fb853ea5.jpg?v=1760049498&width=2875)
[10/12 22:00 Sale] Pigeon Blood Ruby 0.320ct Loose Stone AIGS
Sale price¥48,800
![[Available at 10/12 22:00] 18K Yellow Gold Brazilian Santa Maria Aquamarine 0.284ct Pendant (Necklace)](http://store.karatz.jp/cdn/shop/files/P1016298_f5cbd9ee-df80-41bf-8dc4-086413f36646.jpg?v=1760001284&width=3194)
Lottery Sale 0908⑦_ [Takeshi Yamamoto] Rock Crystal 8.455ct Loose Stone
Sale price¥39,800
![[On sale from 12:00 on 5/15] Madagascar bicolor sapphire 0.333ct loose stone](http://store.karatz.jp/cdn/shop/files/P7200300.jpg?v=1747086909&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.