![[On sale at 10 PM on September 5th] [Limited to 3 stones] Brazilian Elestial Amethyst (1 loose stone, 3.5-3.9mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_a4907829-a1ef-40d2-ae34-572edef35c78.png?v=1756866168&width=2000)
![[On sale at 10 PM on September 5th] Limited to 10 stones: One Saint-Jay cut amethyst (5.0-5.5mm, special cut round) loose stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010004_fc3d5eba-9590-4a99-adb5-34ab662d33d3.jpg?v=1756867308&width=4000)
Kasharai Amethyst 0.430ct Loose
Sale price¥12,800
Hollandite in Amethyst 3.048ct loose stone
Sale price¥9,800
Hollandite in Amethyst 4.019ct loose stone
Sale price¥15,800
Myanmar spinel and Brazilian amethyst 7 stone set ring (Alterno setting)
Sale price¥79,800
Color shift amethyst 4.191ct loose stone
Sale price¥14,800
Color shift amethyst 1.216ct loose stone
Sale price¥8,800
[Koshu Precious Stones plusthree] Amethyst 4.306ct Loose Stone Patch
Sale price¥25,800
Brazilian Trapiche Amethyst 10.855ct loose stone
Sale price¥6,980
Brazilian Trapiche Amethyst 14.949ct loose stone
Sale price¥8,800
Brazilian Amethyst 9.749ct Loose Stone
Sale price¥15,800
Brazilian Amethyst 12.9mm/7.637ct Loose Stone
Sale price¥12,800
Amethyst 9.860ct loose stone
Sale price¥18,800
Amethyst 4.249ct rough stone
Sale price¥9,800
Pink amethyst 3.275ct loose stone
Sale price¥9,800
Pink amethyst 3.496ct loose
Sale price¥6,980
Amethyst 39.112ct raw stone from Zambia
Sale price¥8,800
Amethyst 29.357ct raw stone from Zambia
Sale price¥6,580
Amethyst 30.312ct raw stone from Zambia
Sale price¥6,580
Amethyst 3.090ct loose
Sale price¥6,980
Brazilian Trapichea Amethyst 24.772ct loose with patch
Sale price¥8,800
Amethyst 8.044ct loose
Sale price¥6,980
![[Available on Saturday, August 16th at 10 PM] "PSYCHO-PASS" x KARATZ Collaboration Jewelry: Shogo Makishima Razor Design Ring (Amethyst)](http://store.karatz.jp/cdn/shop/files/d5f2d6eb19887a29fc89598ea9ae0264_02ca4e07-4904-468f-b70c-e6b43ff2e178.png?v=1747953937&width=2695)
Goethite in Amethyst 0.806ct loose stone
Sale price¥6,980
![[Jeweler's Tools] Digital Caliper Color Shift Amethyst 2 Piece Set](http://store.karatz.jp/cdn/shop/files/PB074623.jpg?v=1699331046&width=4000)
[Jeweler's Tools] Digital Caliper Color Shift Amethyst 2 Piece Set
Sale price¥2,980
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.