![[On sale from 10/13 at 10pm] Limited quantity Colombian mango quartz (small size - thick) Multiple purchase discounts available](http://store.karatz.jp/cdn/shop/files/P1010111_8b2545ca-670e-40f4-b18a-8e4cbeb2a8e0.jpg?v=1728546519&width=4000)
[On sale at 10pm on 13/10] Brazilian Rubellite 3.022ct loose stone
Sale price¥98,000
![[On sale from 10/14 at 22:00] [Limited to 7 stones] 1 loose iron opal from Australia (average 7ct, October birthstone opal) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010396_68ccfd28-d9ff-4223-b636-4d25b8af6683.jpg?v=1728693087&width=4000)
[On sale at 10pm on 14/10] Afghanistan Green Tourmaline 11.5mm/5.854ct Loose
Sale price¥198,000
![[On sale at 10/14 22:00] Greenland Tugtupite 0.132ct loose stone](http://store.karatz.jp/cdn/shop/files/PB010822_b6cea6a9-cbc2-47ec-bc9a-1383b8fb5df7.jpg?v=1728866347&width=3101)
[On sale at 10/14 22:00] Greenland Tugtupite 0.132ct loose stone
Sale price¥8,800
[On sale at 10pm on 14th October] Madagascar Aquamarine 1.056ct Loose
Sale price¥19,800
[On sale at 10pm on 14/10] 1.065ct loose pink tourmaline from Mozambique
Sale price¥15,800
![[On sale at 10pm on 15th October] Myanmar Maw Sisit 5.246ct loose stone (Maw Sisit)](http://store.karatz.jp/cdn/shop/files/P1242894_95c59027-6585-480d-92c9-ec7a341246f4.jpg?v=1728967889&width=3436)
![[On sale at 10pm on 15/10] Mexican Smithsonite 2.697ct loose stone](http://store.karatz.jp/cdn/shop/files/PB105947_10bea7a8-7de4-47f4-9194-a0ff15622d64.jpg?v=1728866934&width=3672)
[On sale at 10pm on 15/10] Mexican Smithsonite 2.697ct loose stone
Sale price¥9,800
[On sale at 10pm on 15/10] Mozambique aquamarine 3.301ct loose stone
Sale price¥59,800
![[On sale at 10pm on 15th October] Russian Demantoid Garnet (Horsetail certified) 3mm/0.188ct loose stone](http://store.karatz.jp/cdn/shop/files/P6017845_3907f204-3260-4a6b-90ed-caf0c73479b4.jpg?v=1728865403&width=3432)
![[On sale at 10pm on 15/10] South African Rhodochrosite 4.2mm/0.409ct loose stone](http://store.karatz.jp/cdn/shop/files/P3151210_cb551f98-1fb2-4a07-b6ef-95f588dc9ce1.jpg?v=1728866471&width=3314)
![[On sale at 10pm on 10/16] Nepalese orange kyanite 0.79ct loose stone](http://store.karatz.jp/cdn/shop/files/079ct-637788_af24d039-c349-48c0-ba7c-84ddc432a527.jpg?v=1691192780&width=956)
![[On sale at 10pm on 10/16] Brazilian bicolor tourmaline 0.649ct loose stone (rose cut)](http://store.karatz.jp/cdn/shop/files/PC280265_c55e5ec7-d9c0-4766-bbe9-266dc809be3d.jpg?v=1728968859&width=3737)
[On sale at 10pm on 10/16] Mexican fire opal 0.780ct loose stone
Sale price¥12,800
![[On sale at 10pm on 10/16] Russian Demantoid Garnet Cat's Eye (Horsetail Recognized) 2.9mm/0.156ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P6017717_8c96ba59-6190-476d-8718-ea88a5468549.jpg?v=1728969823&width=2761)
![[On sale from 10/17 at 10pm] [Sakura Incut] Mexican Hyalite Opal 5.8mm/0.53ct [Collaboration] Loose Patch](http://store.karatz.jp/cdn/shop/files/collage_3e266808-d630-4f17-8842-06648a5dc578.png?v=1729029836&width=2000)
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.
