![[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 26th] Russian Phenakite 0.615ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1201561.jpg?v=1769241940&width=4000)
[On Sale at 10 PM on January 26th] Russian Phenakite 0.615ct Loose Stone
Sale price¥18,800
![[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)
![[On Sale at 10 PM on January 12th] 0.466ct Sawable Diamond Rough Stone (with Trigon)](http://store.karatz.jp/cdn/shop/files/P1088079.jpg?v=1768172012&width=4000)
![[On sale at 10pm on 1/12] Diamond rough (makeable) 0.204ct rough](http://store.karatz.jp/cdn/shop/files/P1088037.jpg?v=1768086585&width=4000)
[On sale at 10pm on 1/12] Diamond rough (makeable) 0.204ct rough
Sale price¥39,800
![[1/12 22:00 Sale] Diamond 0.604ct Rough Stone](http://store.karatz.jp/cdn/shop/files/P1087995.jpg?v=1768086372&width=4000)
[1/12 22:00 Sale] Diamond 0.604ct Rough Stone
Sale price¥12,800
![[On Sale at 10 PM on January 12th] 0.245ct Rough Diamond (with Trigon)](http://store.karatz.jp/cdn/shop/files/P1087915.jpg?v=1768086183&width=4000)
[On Sale at 10 PM on January 12th] 0.245ct Rough Diamond (with Trigon)
Sale price¥29,800
![[1/11 22:00 Sale] Brazilian Dumortierite in Quartz 0.382ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1088465_f43d3e40-29aa-4624-a2a1-c6d1634e73e3.jpg?v=1767942646&width=3570)
![[On Sale at 10 PM on January 6th] Mexican Water Opal (Faceted) 0.215ct Loose (Contralus Opal)](http://store.karatz.jp/cdn/shop/files/PC043015_5b1ccc8f-4878-4de6-825d-afb89bf60c71.jpg?v=1767484572&width=3310)
![[1/4 22:00 Sale] Australian White Opal 1.175ct Loose](http://store.karatz.jp/cdn/shop/files/PC250834.jpg?v=1767395775&width=4000)
[1/4 22:00 Sale] Australian White Opal 1.175ct Loose
Sale price¥9,800
Brazilian Pyrite in Quartz 4.153ct Loose Stone
Sale price¥11,000
Brazilian Pyrite in Quartz 6.992ct Loose Stone
Sale price¥18,800
Indian Moonstone 5.0mm/0.474ct Loose Stone (Rose Cut)
Sale price¥6,980
![[12/7 22:00] Brazilian Dumortierite in Quartz 16.250ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052301_931dfc6c-1047-4bdf-821f-203298615d94.jpg?v=1765588004&width=2810)
[12/7 22:00] Brazilian Dumortierite in Quartz 16.250ct Loose Stone
Sale price¥9,800
Mexican Water Opal (Faceted) 0.402ct Loose (Contrarus Opal)
Sale price¥12,800
![[12/7 22:00 Sale] Mexican Egg-in Opal 0.381ct Loose](http://store.karatz.jp/cdn/shop/files/PC053061_853dfbb9-2bb5-4b4f-abbd-aef4b76d3dd5.jpg?v=1766553969&width=4000)
[12/7 22:00 Sale] Mexican Egg-in Opal 0.381ct Loose
Sale price¥18,800
![[On Sale at 10 PM on December 7th] Madagascar Andesine Labradorite Moonstone (also known as Rainbow Moonstone) 0.178ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052855_857b4320-efea-4ef8-b2dc-ff8f43f91566.jpg?v=1765587147&width=2968)
![[12/6 22:00] Myanmar Spinel in Marble 61.204ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC021311.jpg?v=1766550405&width=4000)
[12/6 22:00] Myanmar Spinel in Marble 61.204ct Loose Stone
Sale price¥12,800
![[12/10 22:00 Sale] Indian Moonstone 6.1mm/0.878ct Loose Stone (Rose Cut)](http://store.karatz.jp/cdn/shop/files/PC032133_305a91c4-6921-466f-b86b-6196b85216e3.jpg?v=1765630124&width=4000)
Synthetic Opal 0.856ct Loose (Synthetic Water Opal)
Sale price¥8,800
Australian white opal 4.170ct loose
Sale price¥69,800
Australian white opal 1.928ct loose
Sale price¥39,800
Australian boulder opal 2.326ct loose
Sale price¥69,800
Brazilian Dumortierite in Quartz 10.0mm/5.357ct Loose Stone
Sale price¥39,800
![[1/2 22:00 Sale] Mexican Opal (Faceted) 0.261ct Loose (Contrarus Opal)](http://store.karatz.jp/cdn/shop/files/PC240121.jpg?v=1767275395&width=4000)
[1/2 22:00 Sale] Mexican Opal (Faceted) 0.261ct Loose (Contrarus Opal)
Sale price¥12,800
Brazilian Goshenite 0.527ct loose stone
Sale price¥8,800
Indian Moonstone 5.1mm/0.426ct Loose Stone (Rose Cut)
Sale price¥6,980
Synthetic rutile 1.407ct loose stone
Sale price¥18,800
Synthetic rutile 1.020ct loose stone
Sale price¥18,800
Synthetic rutile 5.1mm/0.893ct loose stone
Sale price¥9,800
Synthetic rutile 0.538ct loose stone
Sale price¥9,800
Synthetic rutile 1.681ct loose stone
Sale price¥18,800
Russian Phenakite 0.520ct Loose Stone
Sale price¥24,800
Tanzanian Sunstone 0.980ct Loose Stone
Sale price¥9,800
Tanzanian Sunstone 1.355ct Loose Stone
Sale price¥8,800
Tanzanian Sunstone (Illusion Sunstone) 0.777ct Loose Stone
Sale price¥12,800
Mexican Hyalite Opal 1.420ct Loose
Sale price¥18,800
Mexican Hyalite Opal 0.743ct Loose
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 0.780ct Loose Stone
Sale price¥15,800
Brazilian Medusa Quartz (Paraiba Quartz) 0.614ct Loose Stone
Sale price¥9,800
Indian Moss Agate 0.915ct Loose Stone
Sale price¥8,800
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.
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.