Cabochon Cut
![[On Sale at 10 PM on January 20th] Sri Lankan Star Ruby 5.0mm/1.062ct Loose Stone with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/P1010006_ac1a0c09-5a41-4a3f-b6bb-1fd57c6710b0.jpg?v=1768868469&width=4000)
![[On Sale at 10 PM on January 9th] Indian Parrot Chrysoberyl Cat's Eye 1.225ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC266874.jpg?v=1767700054&width=4000)
![[1/1 10pm Sale] Indian Parrot Chrysoberyl Cat's Eye 5.6mm/1.715ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC266813_06203e96-f1ae-4125-a0e8-f1fb5db0312c.jpg?v=1767072295&width=2994)
![[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
Colombian cat's eye emerald 0.959ct loose stone
Sale price¥45,800
Colombian cat's eye emerald 1.121ct loose stone
Sale price¥49,800
Mexican Fire Agate 8.033ct Loose Stone
Sale price¥39,800
![[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
![[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
![[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
Brazilian Dumortierite in Quartz 1.131ct Loose Stone
Sale price¥12,800
Red coral (coral) 1.406ct loose stone
Sale price¥12,800
Red coral (coral) 6.833ct loose stone
Sale price¥39,800
Sri Lankan star sapphire 12.679ct loose
Sale price¥158,000
Sri Lankan star sapphire 5.066ct loose
Sale price¥69,800
Australian black opal 2.736ct loose
Sale price¥98,000
Sri Lankan star sapphire 3.821ct loose
Sale price¥79,800
Mexican fire opal 1.283ct loose stone
Sale price¥29,800
Mexican fire opal 1.413ct loose stone
Sale price¥39,800
![[1/3 22:00 Sale] Colombian Trapiche Emerald 2.318ct Loose](http://store.karatz.jp/cdn/shop/files/PC105337_e39d1703-b14f-4f9f-a6ca-66e084772758.jpg?v=1767139580&width=3038)
[1/3 22:00 Sale] Colombian Trapiche Emerald 2.318ct Loose
Sale price¥158,000
Australian white opal 4.170ct loose
Sale price¥69,800
![[1/11 22:00 Sale] Sri Lankan Star Sapphire 3.317ct Loose](http://store.karatz.jp/cdn/shop/files/PC105054.jpg?v=1767910913&width=4000)
[1/11 22:00 Sale] Sri Lankan Star Sapphire 3.317ct Loose
Sale price¥59,800
![[1/3 22:00 Sale] Sri Lankan Star Sapphire 11.342ct Loose](http://store.karatz.jp/cdn/shop/files/PC104916.jpg?v=1767139824&width=4000)
[1/3 22:00 Sale] Sri Lankan Star Sapphire 11.342ct 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
![[On Sale at 10 PM on January 10th] Mexican Cantera Opal 8.432ct Loose](http://store.karatz.jp/cdn/shop/files/PC094449.jpg?v=1767824877&width=4000)
[On Sale at 10 PM on January 10th] Mexican Cantera Opal 8.432ct Loose
Sale price¥39,800
Mexican Cantera Opal 9.166ct Loose
Sale price¥69,800
![[1/4 22:00 Sale] Sri Lankan Chrysoberyl Cat's Eye 0.447ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052214.jpg?v=1767484195&width=4000)
![[1/4 22:00 Sale] Sri Lankan Chrysoberyl Cat's Eye 0.559ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052198.jpg?v=1765513332&width=4000)
Brazilian Dumortierite in Quartz 10.0mm/5.357ct Loose Stone
Sale price¥39,800
![[Available at 10 PM on January 9th] 1.024ct Chinese Cinnabar Loose Stone with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/PB070116.jpg?v=1767826290&width=4000)
Myanmar Bicolor Star Sapphire 0.640ct Loose
Sale price¥45,800
Australian boulder opal 3.122ct loose stone
Sale price¥29,800
Sri Lankan star sapphire 1.093ct loose
Sale price¥8,800
Brazilian Blue Topaz Cat's Eye 2.631ct Loose Stone
Sale price¥9,800
Brazilian Dumortierite in Quartz 1.911ct Loose Stone
Sale price¥8,800
Brazilian Dumortierite in Quartz 1.451ct Loose Stone
Sale price¥8,800
Mexican Cantera Opal 2.125ct Loose
Sale price¥39,800
Mexican Cantera Opal 5.882ct Loose
Sale price¥39,800
Salt and Pepper Diamond 5.2mm/0.863ct Loose (Cabochon Cut)
Sale price¥98,000
Brazilian Dumortierite in Quartz 1.117ct Loose Stone
Sale price¥8,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.156ct Loose Stone
Sale price¥18,800
Mexican Cantera Opal 4.456ct Loose
Sale price¥39,800
Sri Lankan star sapphire 2.062ct loose
Sale price¥12,800
Tanzanian Kornerupine Cat's Eye 0.816ct Loose Stone
Sale price¥6,980
Diamond (cabochon cut) 0.196ct loose
Sale price¥29,800
Sri Lankan Star Sapphire 1.028ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 0.725ct Loose
Sale price¥6,980
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.
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.