Paracytic peridot 0.536ct loose
Sale price¥188,000
Hackmanite 0.506ct loose
Sale price¥45,800
Paraiba tourmaline from Brazil 0.205ct loose (CuO:0.8%, MnO:3.1%)
Sale price¥39,800
Paraiba tourmaline from Brazil 0.167ct loose (CuO:1.6%, MnO:3.0%)
Sale price¥29,800
Paraiba tourmaline from Brazil 0.086ct loose (CuO:1.5%, MnO:2.3%)
Sale price¥18,800
Paraiba tourmaline from Brazil 0.226ct loose (CuO:0.7%, MnO:3.6%)
Sale price¥39,800
Paraiba tourmaline from Brazil 0.204ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.239ct loose
Sale price¥45,800
Paraiba tourmaline from Brazil 0.232ct loose
Sale price¥45,800
Paraiba tourmaline from Brazil 0.240ct loose (CuO:0.7%, MnO:3.8%)
Sale price¥45,800
Red beryl 0.173ct loose
Sale price¥29,800
American fluorite 0.842ct loose stone
Sale price¥2,980
Bicolor tourmaline 1.248ct loose
Sale price¥6,980
Bicolor tourmaline 1.097ct loose
Sale price¥5,980
Mexican Fire Opal 1.580ct Loose
Sale price¥25,800
Paudlettite 0.375ct loose Japanese-German book
Sale price¥298,000
Bicolor tourmaline 3.277ct loose
Sale price¥9,800
Fire opal 1.360ct loose
Sale price¥9,800
Red beryl 0.181ct loose
Sale price¥29,800
![[Sold at 10 PM on September 7th] Pt900 Brazilian Swiss Blue Topaz 0.41ct Cat Cut Earrings](http://store.karatz.jp/cdn/shop/files/collage_b0e69240-6053-4a80-91cb-b76080613627.png?v=1757161767&width=2000)
Fire Opal 2 Stone Pair 4mm/0.336ct Loose
Sale price¥3,980
Red beryl 0.109ct loose
Sale price¥18,800
[Posted 12529980] Paraiba tourmaline from Brazil 1.649ct loose
Sale price¥18,800
[Koshu Precious Stone Kiriko] Bicolor Fluorite 6.980ct Loose with Patch
Sale price¥59,800
Red beryl 0.310ct loose
Sale price¥39,800
Bicolor Benitoite 0.067ct loose
Sale price¥25,800
African bicolor tourmaline 0.950ct loose stone (phantom cut)
Sale price¥9,800
Bicolor sapphire 0.856ct loose
Sale price¥18,800
Bicolor tourmaline 1.050ct loose
Sale price¥8,800
Bicolor tourmaline 0.780ct loose
Sale price¥9,800
Peach benitoite 0.135ct loose Japanese-German book (orange/blue)
Sale price¥158,000
Paraiba tourmaline from Brazil 0.224ct loose (CuO:0.8%, MnO:1.7%)
Sale price¥29,800
Paraiba tourmaline from Brazil 0.203ct loose (CuO: 0.9%, MnO: 2.6%)
Sale price¥29,800
Bicolor Benitoite 0.624ct Loose Japanese-German Edition
Sale price¥188,000
Brazilian Paraiba tourmaline 0.455ct raw stone (CuO: 0.9%, MnO: 2.2%)
Sale price¥15,800
Brazilian Paraiba tourmaline 0.448ct raw stone (CuO:2.7%, MnO:2.0%)
Sale price¥19,800
Brazilian Paraiba tourmaline 0.156ct raw stone (CuO:2.5%, MnO:0.5%)
Sale price¥15,800
[Sakura Incut] Sky Blue Topaz 12mm Loose with Patch
Sale price¥39,800
![[Available at 10 PM on August 24th] [Limited to 4 stones] Brazilian Blue Topaz Cat's Eye Loose Stone (7.0-7.5mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_8bfa0fdf-e296-4b88-babb-a01dd576199f.png?v=1755995326&width=2000)
Padparadscha sapphire 0.220ct loose stone
Sale price¥34,800
Padparadscha sapphire 0.200ct loose
Sale price¥29,800
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.