![[On sale from 10pm on 5/18] [Koshu Precious Stone Cutting] Brazilian Sky Blue Topaz 10.60ct Loose Stone [Collaboration] Patch](http://store.karatz.jp/cdn/shop/files/P5120836.jpg?v=1747480996&width=4000)
![[On sale from 10pm on 5/18] 0.947ct UV type bicolor tsavorite loose stone from Tanzania](http://store.karatz.jp/cdn/shop/files/collage_3e0cfcc1-5f13-4a2f-acc2-cfc0b5a35800.png?v=1747720348&width=2000)
![[On sale from 10pm on 5/15] American Red Beryl 0.200ct Loose (Heart Shape) Nikkei Kan](http://store.karatz.jp/cdn/shop/products/P3315243_0eaab675-56cb-4b2b-aa21-7f8b438e4c04.jpg?v=1660951276&width=2735)
[On sale from 10pm on 5/14] American red beryl 0.252ct loose stone
Sale price¥39,800
![[On sale from 10pm on 5/10] Tanzanian bicolor zoisite 1.680ct loose stone](http://store.karatz.jp/cdn/shop/files/P4280436_bb779b9c-7413-4332-b9f1-60492caf07f5.jpg?v=1746877062&width=3735)
![[On sale from 10pm on 5/9] [Koshu Precious Stone Cut] Ludwigite in Peridot 2.510ct Loose Stone [Collaboration] Patch](http://store.karatz.jp/cdn/shop/files/P5120754.jpg?v=1746707980&width=4000)
![[On sale from 22:00 on 5/6] Tanzanian bicolor zoisite 2.270ct loose stone](http://store.karatz.jp/cdn/shop/files/P4116115_98bcbf03-6c42-4e09-a11d-abbe21b06de5.jpg?v=1741141839&width=3422)
![[On sale from 22:00 on 5/6] Tanzanian bicolor zoisite 2.110ct loose stone](http://store.karatz.jp/cdn/shop/files/P4280404_30c14a61-6732-4b61-b363-2bba920f308b.jpg?v=1746533537&width=3566)
[On sale from 10pm on 5/5] Diamond 0.334ct loose stone (F, SI1)
Sale price¥49,800
![[On sale from 22:00 on 5/2] [Koshu Precious Stone Cutting] Fluorite in Quartz 6.420ct Loose Stone [Collaboration] Patch](http://store.karatz.jp/cdn/shop/files/collage_3269a09e-f7e8-4625-a34c-9b27a3584d4b.png?v=1746103198&width=2000)
[On sale at 10pm on 4/29] Colombian emerald rough stone 8.90ct
Sale price¥45,800
![[On sale from 10pm on 5/1] [Koshu Precious Stone Cut] Bicolor Fluorite 4.280ct Loose Patch](http://store.karatz.jp/cdn/shop/files/collage_03835b13-f73e-4d62-9ef8-039b2c6bcb69.png?v=1745990942&width=2000)
![[On sale from 10pm on 4/26] [Koshu Precious Stone Cut] Bicolor Fluorite 20.850ct Loose Stone [Collaboration] Patch](http://store.karatz.jp/cdn/shop/files/collage_cc003cbe-63f3-4a0a-9253-31012fc79497.png?v=1745533157&width=2000)
[On sale at 10pm on 4/26] Zimbabwean bicolor euclase 0.110ct loose stone
Sale price¥49,800
[On sale 4/23 at 10pm] Australian boulder opal 3.930ct loose
Sale price¥35,800
![[On sale 4/22 at 10pm] American Red Beryl 0.288ct Loose Stone Japan-Germany](http://store.karatz.jp/cdn/shop/files/PC100161_754b8f82-680a-469d-b78f-f7f838cf5d7a.jpg?v=1683416951&width=3216)
Solo (Simple Order Pendant Frame)
Sale price¥44,800
Solo (Simple Order Pinky Ring Frame)
Sale price¥44,800
Star Drop "Semi-custom pendant frame"
Sale price¥47,800
Pisces "Semi-custom pendant frame"
Sale price¥47,800
EDEL Semi-custom pinky ring frame
Sale price¥49,800
K18 Yellow Gold Red Bean Chain (Azuki Bean) 1.1mm [40cm/45cm free]
Sale priceFrom ¥34,800
First Star《Semi-Custom Pendant Frame》
Sale price¥47,800
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.
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.
