Brazilian Medusa Quartz (Paraiba Quartz) 2.484ct loose stone
Sale price¥29,800
Brazilian Quartz in Quartz 14.298ct Loose Stone
Sale price¥19,800
YAG (Yttrium Aluminum Garnet) 7.1mm/1.927ct Loose Stone by Nikkei Kan
Sale price¥12,800
[On Sale 3/7 at 10pm] Brazilian Dendritic Quartz 8.598ct Loose Stone
Sale price¥19,800
Brazilian Paraiba tourmaline in quartz 1.602ct loose
Sale price¥39,800
[On Sale at 10 PM on March 1st] Mexican Egg-in Opal 3.646ct Loose
Sale price¥25,800
[On Sale at 10 PM on March 5th] Mexican Egg-in Opal 3.195ct Loose
Sale price¥19,800
[On Sale at 10 PM on March 1st] Mexican Egg-in Opal 4.879ct Loose
Sale price¥29,800
[On Sale 3/1 at 10pm] Mexican Egg-in Opal 2.125ct Loose
Sale price¥15,800
![[On Sale 3/1 at 10pm] Brazilian Blue Tourmaline in Quartz 9.251ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P2255574_d205708a-79bf-404d-a1f8-7b0b57436d26.jpg?v=1772241906&width=4000)
![[On Sale 3/1 at 10pm] Brazilian Blue Tourmaline in Quartz 3.379ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P2255462_470917fa-f79b-49f8-ad57-f8fa507599f7.jpg?v=1772241907&width=3306)
[On Sale 3/1 at 10pm] Brazilian Black Garden Quartz 5.722ct Loose Stone
Sale price¥15,800
[On Sale 3/2 at 10pm] Brazilian Black Garden Quartz 4.278ct Loose Stone
Sale price¥12,800
[On Sale 2/21 10pm] Brazilian Dumortierite in Quartz 1.266ct Loose Stone
Sale price¥12,800
[On sale 3/8 at 10pm] Synthetic Rutile 5.1mm/0.877ct Loose Stone
Sale price¥12,800
![[On sale 3/2 at 10pm] Synthetic Rutile 3.9mm/0.329ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P2198417_542ef1bb-13ef-4f18-820d-1801391a2390.jpg?v=1772284271&width=2846)
[On sale 3/2 at 10pm] Synthetic Rutile 3.9mm/0.329ct Loose Stone
Sale price¥9,800
[On Sale at 10 PM on 2/14] Cambodian Colorless Zircon 1.121ct Loose
Sale price¥18,800
![[On Sale 3/8 at 10pm] Zimbabwean Bicolor Euclase 0.227ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P2109383_e8f8448c-bd4d-400b-b2df-3444aaf73c4d.jpg?v=1772924836&width=3103)
[On Sale 3/8 at 10pm] Zimbabwean Bicolor Euclase 0.227ct Loose Stone
Sale price¥49,800
![[Available at 10 PM on 2/11] 9.490ct Bicolor Beryl Loose Stone from Afghanistan (Rainbow)](http://store.karatz.jp/cdn/shop/files/20260201_P2037006.jpg?v=1770599313&width=4000)
![[On Sale 2/1 at 10pm] Sri Lankan Moonstone 1.578ct Loose](http://store.karatz.jp/cdn/shop/files/P1221749.jpg?v=1769775708&width=4000)
[On Sale 2/1 at 10pm] Sri Lankan Moonstone 1.578ct Loose
Sale price¥12,800
![[On Sale 2/1 at 10pm] Sri Lankan Moonstone 1.487ct Loose](http://store.karatz.jp/cdn/shop/files/P1221778.jpg?v=1769775708&width=4000)
[On Sale 2/1 at 10pm] Sri Lankan Moonstone 1.487ct Loose
Sale price¥14,800
![[On Sale 2/7 at 10pm] Mexican Opal (Faceted) 0.208ct Loose](http://store.karatz.jp/cdn/shop/files/P1306870.jpg?v=1770295695&width=4000)
[On Sale 2/7 at 10pm] Mexican Opal (Faceted) 0.208ct Loose
Sale price¥9,800
![[On sale from 10 PM on 2/8] Myanmar Ice Jadeite 0.408ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1306052.jpg?v=1770005904&width=4000)
[On sale from 10 PM on 2/8] Myanmar Ice Jadeite 0.408ct Loose Stone
Sale price¥9,800
![[On Sale 2/7 at 10 PM] Brazilian Sunstone 5.1mm/0.532ct Loose Stone (Rose Quartz)](http://store.karatz.jp/cdn/shop/files/P1284222_80bb7de4-bfc4-4608-9bcf-8ac11207a0d8.jpg?v=1769917604&width=4000)
![[On Sale 2/7 at 10 PM] Brazilian Sunstone 6.2mm/0.896ct Loose Stone (Rose Quartz)](http://store.karatz.jp/cdn/shop/files/P1284236_0e9af8d8-cb50-4399-aedf-3d83d3bdb31c.jpg?v=1770381573&width=4000)
![[On Sale 2/18 at 10 PM] Brazilian Medusa Quartz (Paraiba Quartz) 3.9mm/0.237ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1284171.jpg?v=1771106304&width=4000)
![[On Sale at 10 PM on January 26th] 1.519ct Loose Oregon Sunstone from the United States](http://store.karatz.jp/cdn/shop/files/P1220704.jpg?v=1769301196&width=4000)
![[On Sale at 10 PM on January 26th] Canadian Rough Diamond (Sawable) 0.096ct Rough Stone with Trigon](http://store.karatz.jp/cdn/shop/files/P1210317_bfb4a922-af05-4fe6-a413-4fc926984090.jpg?v=1769300534&width=2715)
![[On Sale at 10 PM on January 26th] Canadian Rough Diamond (Sawable) 0.099ct Rough Stone with Trigon](http://store.karatz.jp/cdn/shop/files/P1210295_8df7e90f-c749-42e3-ad74-add35f15e3b7.jpg?v=1769300344&width=2870)
![[On Sale at 10 PM on January 29th] Mexican Water Opal 4.8mm/0.289ct Loose](http://store.karatz.jp/cdn/shop/files/P1211645.jpg?v=1769147549&width=4000)
![[On Sale at 10 PM on January 25th] Canadian Rough Diamond (Sawable) 0.103ct Rough Stone](http://store.karatz.jp/cdn/shop/files/P1190498.jpg?v=1769241204&width=4000)
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.