![[On Sale 2/23 10pm] Zimbabwe Green Diamond Rough (Sawable) 0.402ct Rough with Trigon](http://store.karatz.jp/cdn/shop/files/P1210062_bb06fe90-b517-4a19-bfce-ca8a9e31cdfe.jpg?v=1771722369&width=4000)
![[On sale from 10pm on 2/11] Diamond rough (makeable) 0.353ct rough](http://store.karatz.jp/cdn/shop/files/20260201_P2036912.jpg?v=1770679177&width=4000)
[On sale from 10pm on 2/11] Diamond rough (makeable) 0.353ct rough
Sale price¥14,800
![[On sale from 10pm on 2/11] Diamond rough (makeable) 0.279ct rough](http://store.karatz.jp/cdn/shop/files/20260201_P2036870_cc6664e0-bc15-48e2-bd48-add5bad299ac.jpg?v=1770679178&width=2766)
[On sale from 10pm on 2/11] Diamond rough (makeable) 0.279ct rough
Sale price¥9,800
![[On sale from 10pm on 2/11] Diamond rough (makeable) 0.284ct rough](http://store.karatz.jp/cdn/shop/files/20260201_P2036828.jpg?v=1770679177&width=4000)
[On sale from 10pm on 2/11] Diamond rough (makeable) 0.284ct rough
Sale price¥12,800
![[On Sale 2/8 at 10 PM] Canadian Green Diamond Rough (Sawable) 0.338ct Rough (with Trigon)](http://store.karatz.jp/cdn/shop/files/P1190545.jpg?v=1770415881&width=4000)
![[On Sale 2/8 at 10 PM] Angola Green Diamond Rough (Sawable) 0.528ct Rough (with Trigon)](http://store.karatz.jp/cdn/shop/files/P1190612.jpg?v=1769224707&width=4000)
South African yellow diamond (makeable) 0.159ct rough stone
Sale price¥12,800
![[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 25th] Canadian Rough Diamond (Sawable) 0.103ct Rough Stone](http://store.karatz.jp/cdn/shop/files/P1190498.jpg?v=1769241204&width=4000)
South African yellow diamond (makeable) 0.202ct rough stone
Sale price¥15,800
South African gray diamond (makeable) 0.169ct rough stone
Sale price¥14,800
![[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
Yellow diamond rough stone (makeable) 0.247ct rough stone
Sale price¥22,800
South African rough diamond (sawable) 0.105ct rough (with trigon)
Sale price¥39,800
Diamond 2.810ct rough stone
Sale price¥9,800
South African diamond rough stone 0.430ct
Sale price¥9,800
South African diamond rough stone 0.330ct
Sale price¥5,980
South African diamond rough (sawable) 0.103ct rough (with trigon)
Sale price¥24,800
South African diamond rough stone 0.210ct
Sale price¥8,800
South African Diamond Rough (Sawable) 0.107ct Rough Trigon
Sale price¥42,800
South African diamond rough (sawable) 0.083ct rough
Sale price¥32,800
South African diamond rough (sawable) 0.087ct rough
Sale price¥34,800
South African diamond rough (sawable) 0.096ct rough (with trigon)
Sale price¥39,800
South African diamond rough (sawable) 0.112ct rough
Sale price¥44,800
South African diamond rough (sawable) 0.091ct rough (trigon)
Sale price¥35,800
Russian Yellow Diamond Rough (Sawable) 0.306ct Rough (Trigon)
Sale price¥98,000
Russian diamond rough (sawable) 0.094ct rough
Sale price¥24,800
South African diamond rough (sawable) 0.110ct rough
Sale price¥25,800
South African diamond rough (sawable) 0.091ct rough
Sale price¥22,800
South African diamond rough (sawable) 0.085ct rough
Sale price¥19,800
Diamond 0.534ct rough stone
Sale price¥9,800
![[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)
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.