![[Koshu Precious Stone Kiriko] Bicolor Amethyst 3.530ct Loose Color with Patch](http://store.karatz.jp/cdn/shop/products/3530ct-451816_dcc86f73-61d4-4b29-a3bd-00787f64f422.jpg?v=1672619108&width=907)
![[Koshu Precious Stone Kiriko plusthree] Tinkerbell Quartz 5.190ct Loose (Pink Fire Quartz) Aya "Collaboration" Patch included](http://store.karatz.jp/cdn/shop/products/5190ct-737897_abfb213b-f757-4012-b436-09cfa4318765.jpg?v=1652933924&width=1046)
![[Koshu Precious Stone Kiriko] Rose Quartz 3.040ct Loose Subaru Sakura Kiriko with Patch](http://store.karatz.jp/cdn/shop/products/3040ct-645139_8ae9b094-0134-45e6-b407-363499f6bd9e.jpg?v=1652934735&width=1045)
![[Dandelion cut] Tanzanite 7mm/1.25ct loose with patch](http://store.karatz.jp/cdn/shop/products/125ct-606336_154ad2d9-2c4c-42b4-9118-c98733c5c45e.jpg?v=1672617418&width=863)
![[Koshu Precious Stone Kiriko] Dumortierite in Quartz 3.870ct Loose Subaru "Collaboration" with emblem](http://store.karatz.jp/cdn/shop/products/3870ct-329039_5cb8b9eb-637b-44a4-b493-46de00309336.jpg?v=1652914782&width=971)
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.
The fifth reprint has been decided and is now on sale at bookstores nationwide and online.
Written by KARATZ, book “Jewelry Illustrated Book”
The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.
