![[Limited to 6 stones] Contains 2 stones in total: 1 gemstone (rough stone) that is actually featured in a gemstone encyclopedia + 1 emerald rough stone.](http://store.karatz.jp/cdn/shop/files/collage_5fd345f1-1646-43a1-b347-1e83dd089a63.png?v=1751925957&width=2000)
Brazilian Madeira Citrine 6.8mm/1.110ct Loose Stone
Sale price¥4,980
Mexican Fire Opal 0.448ct Loose
Sale price¥3,980
Indian Star Garnet 13.090ct Loose Stone (6 Rows)
Sale price¥4,980
Tibetan Andesine 5.2mm/0.453ct Loose Stone
Sale price¥4,980
Ethiopian Opal 1.521ct Loose
Sale price¥3,980
Ethiopian Opal 1.014ct Loose
Sale price¥3,980
Garden quartz 8.690ct loose
Sale price¥2,980
Brazilian Green Spodumene 0.599ct Loose Stone
Sale price¥4,980
Book "Gemstone Encyclopedia" (KARATZ, editor: Keiichiro Koyama)
Sale price¥2,640
Brazilian Garden Quartz 15.7mm/12.860ct Loose Stone
Sale price¥4,980
![[Jeweler's Tools] Limited Quantity: H&C (Hearts & Cupids) Scope, CZ Size Comparison 10 Pieces, 2-Piece Set](http://store.karatz.jp/cdn/shop/files/collage_93cd8b3a-e07f-44c4-a6d0-5eb2f01d53f0.png?v=1743666964&width=4000)
![[2 stones remaining] 1 Tanzanian bicolor mint garnet loose stone (UV type) [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/collage_482bd6e8-3c3e-450b-a007-0f5bf8a3f6ab.png?v=1739537143&width=1000)
![[While supplies last, same-day shipping] TV anime "I went to a mixer and there were no girls there" x KARATZ collaboration swaying keychain](http://store.karatz.jp/cdn/shop/files/all_5634a772-6938-4bfa-9ade-1ffdd1b08e04.jpg?v=1738808956&width=4500)
![[While supplies last, same-day shipping] TV anime "I went to a mixer and there were no girls" x KARATZ collaboration trading character and scene clear postcards](http://store.karatz.jp/cdn/shop/files/1a1be4aa0ca38f82e59fb7c698ed6299_9fb6bad7-8905-4506-9bf7-a73631205ebc.jpg?v=1738848336&width=4500)
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.