[On sale at 10pm on 10/19] Tanzanite from Tanzania 0.856ct loose stone
Sale price¥29,800
[On sale at 10pm on 10/20] Bicolor tourmaline 0.840ct loose stone
Sale price¥22,800
[On sale at 10pm on 10/20] Myanmar red spinel 0.181ct loose stone
Sale price¥8,800
![[On sale at 10pm on 10/17] Brazilian bicolor tourmaline 3.670ct loose stone](http://store.karatz.jp/cdn/shop/files/PA076419.jpg?v=1729119420&width=4000)
[On sale at 10pm on 10/17] Mexican fire opal 3.639ct loose stone
Sale price¥7,980
![[On sale from 10/18 at 22:00] [Limited to 16 stones] 1 Montana sapphire loose stone (including teal blue and bicolor) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010266_b3a693e8-899b-441b-af77-8c669ccbe0b9.jpg?v=1728695341&width=4000)
![[On sale from 10/18 at 22:00] [Limited to 12 stones] 1 loose iron opal from Australia (average 28ct, October birthstone opal) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010326_6cd787bb-6ef9-43a4-a557-ff315be1d710.jpg?v=1729082068&width=4000)
![[On sale at 10pm on 10/17] Colombian emerald 1.560ct loose stone](http://store.karatz.jp/cdn/shop/files/PA210256.jpg?v=1729073347&width=2892)
[On sale at 10pm on 10/17] Colombian emerald 1.560ct loose stone
Sale price¥39,800
![[On sale at 10pm on 10/17] American Benitoite 0.099ct loose stone (princess cut)](http://store.karatz.jp/cdn/shop/files/PA213818_e8656491-e88c-4b07-965c-a35c9e3200cc.jpg?v=1729073053&width=2231)
![[On sale at 10/17 22:00] American Benitoite 0.083ct loose stone](http://store.karatz.jp/cdn/shop/files/PA086584_851ce1c3-ec74-4e45-8590-950b2280181e.jpg?v=1683246748&width=2537)
[On sale at 10/17 22:00] American Benitoite 0.083ct loose stone
Sale price¥16,800
![[On sale at 10pm on 10/17] American Benitoite 0.077ct loose stone](http://store.karatz.jp/cdn/shop/files/PA086556.jpg?v=1729030434&width=1970)
[On sale at 10pm on 10/17] American Benitoite 0.077ct loose stone
Sale price¥15,800
![[On sale at 10pm on 10/17] American Benitoite 0.067ct loose stone](http://store.karatz.jp/cdn/shop/files/PA086530.jpg?v=1729030277&width=1957)
[On sale at 10pm on 10/17] American Benitoite 0.067ct loose stone
Sale price¥14,800
[On sale at 10pm on 10/17] Mexican fire opal 1.578ct loose stone
Sale price¥12,800
![[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)
![[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] Mexican fire opal 0.780ct loose stone
Sale price¥12,800
Dominican Republic Conch Pearl (with flame pattern) 0.572ct loose
Sale price¥8,800
Brazilian dumortierite in quartz 2.738ct loose
Sale price¥8,800
Tagtupite from Greenland 0.797ct loose
Sale price¥9,800
![[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)
Bankacha Sapphire (Black Star Sapphire) 2.260ct Loose
Sale price¥8,800
Brazilian tourmaline cat's eye 0.910ct loose stone
Sale price¥3,980
Dominican Republic Conch Pearl 1.60ct Loose
Sale price¥39,800
![[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
American Wulfenite 2.610ct loose stone
Sale price¥298,000
![[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 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
Dominican Republic Conch Pearl (with flame pattern) 2.271ct loose
Sale price¥9,800
[Clover in cut] Mexican opal 7mm/0,648ct {Collaboration} Loose patch
Sale price¥45,800
![[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 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)
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 3.920ct Loose Stone
Sale price¥6,980
Unheated Padparadscha Sapphire 0.250ct Loose GIA
Sale price¥45,800
Oregon Sunstone from the United States 0.314ct loose stone
Sale price¥14,800
Madagascar Oregon Sunstone 4mm/0.239ct Loose Stone
Sale price¥7,980
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.
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.
