[On Sale 3/5 at 10pm] Spanish Sphalerite 5.7mm/0.903ct Loose Stone
Sale price¥16,800
[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 1st] Mexican Egg-in Opal 4.879ct Loose
Sale price¥29,800
Montana Sapphire 0.449ct loose (bicolor sapphire)
Sale price¥14,800
![[On Sale 2/26 at 10 PM] 0.209ct Yellow Diamond Loose (FANCY DEEP BROWNISH YELLOW, VVS-2)](http://store.karatz.jp/cdn/shop/files/collage_a9ddfe0a-f1d9-49c3-8940-7efc88540fc5.png?v=1771853359&width=2250)
![[On Sale at 10 PM on 2/26] Tanzanian Yellow Zircon 0.835ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P2198787.jpg?v=1772013822&width=4000)
![[Available at 10 PM on February 15th] Amber/Copal 41.008ct Loose Stone (with Insects)](http://store.karatz.jp/cdn/shop/files/collage_33cf23ce-e84f-47f1-b59a-4eede32817dd.png?v=1770901254&width=2250)
Opal 0.123ct loose stone
Sale price¥5,980
![[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
Mexican Fire Opal 0.277ct Loose (Faceted Cut)
Sale price¥5,980
Mexican Fire Opal 0.472ct Loose (Star Cut, Faceted Cut)
Sale price¥8,800
Mexican Fire Opal 0.564ct Loose (Faceted Cut)
Sale price¥12,800
![[On Sale at 10 PM on 2/6] Brazilian Yellow Beryl 1.473ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1307335_82b4dea1-06a1-4be1-a285-c753de4527e9.jpg?v=1770242202&width=2710)
[On Sale at 10 PM on 2/6] Brazilian Yellow Beryl 1.473ct Loose Stone
Sale price¥22,800
![[On Sale 2/4 at 10pm] Indian Parrot Chrysoberyl 4.5mm/0.375ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1306968.jpg?v=1770035849&width=4000)
![[On Sale 2/4 at 10pm] Indian Parrot Chrysoberyl 4.2mm/0.347ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1306936.jpg?v=1770035850&width=4000)
![[On sale at 10 PM on 2/5] Brazilian Imperial Topaz 0.353ct Loose](http://store.karatz.jp/cdn/shop/files/P1306064_7a9d5d69-7707-49be-ab11-875e18bf6cab.jpg?v=1770242934&width=2742)
[On sale at 10 PM on 2/5] Brazilian Imperial Topaz 0.353ct Loose
Sale price¥12,800
![[On Sale 2/8 at 10pm] Tanzanian Lavender Tanzanite 0.391ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1273862_d18e6d5b-8183-41e5-9dbc-462291c8ed3f.jpg?v=1770418576&width=2835)
[On Sale 2/8 at 10pm] Tanzanian Lavender Tanzanite 0.391ct Loose Stone
Sale price¥12,800
![[On Sale 2/8 at 10pm] Madagascar Sphene 4.5mm/0.509ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1273822.jpg?v=1769916526&width=4000)
[On Sale 2/8 at 10pm] Madagascar Sphene 4.5mm/0.509ct Loose Stone
Sale price¥9,800
![[On Sale 2/17 at 10pm] Pakistani Vanadium Sphene 0.759ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1305928.jpg?v=1771107171&width=4000)
[On Sale 2/17 at 10pm] Pakistani Vanadium Sphene 0.759ct Loose Stone
Sale price¥49,800
![[Sakura In-Cut] 6.0mm/0.839ct Loose Sapphire from Ratnapura, Sri Lanka [Available at 10 PM on January 24th]](http://store.karatz.jp/cdn/shop/files/collage_7ab487c3-3173-4149-b4c1-85a3f2bef3bb.png?v=1760166578&width=2250)
![[On Sale at 10 PM on January 24th] Mali Garnet (Grossular/Andradite Garnet) 0.359ct Loose Stone from the Republic of Mali](http://store.karatz.jp/cdn/shop/files/P1212532_c255a9c5-f21e-4450-ad58-60ab436e2b64.jpg?v=1769170210&width=2862)
![[On Sale at 10 PM on January 24th] Mali Garnet (Grossular/Andradite Garnet) 0.353ct Loose Stone from the Republic of Mali](http://store.karatz.jp/cdn/shop/files/P1212504_e5a85345-6c6d-4f82-a0e9-c615d97310b5.jpg?v=1769170293&width=2377)
![[On Sale at 10 PM on January 23rd] Zimbabwean Sphene 7.0mm/1.661ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1011753.jpg?v=1768998585&width=4000)
![[On Sale at 10 PM on January 27th] Tanzanian Canary Yellow Chrysoberyl 0.139ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1212152.jpg?v=1769301763&width=4000)
![[On Sale at 10 PM on January 25th] Brazilian Imperial Topaz 0.939ct Loose Stone with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/P1200794.jpg?v=1769241421&width=4000)
![[On Sale at 10 PM on January 25th] Brazilian Imperial Topaz 0.901ct Loose Stone with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/P1200846.jpg?v=1769145712&width=4000)
![[On sale at 10pm on January 20th] Zimbabwean sphene 2.067ct loose stone](http://store.karatz.jp/cdn/shop/files/P1149525.jpg?v=1768773538&width=4000)
[On sale at 10pm on January 20th] Zimbabwean sphene 2.067ct loose stone
Sale price¥59,800
![[On sale at 10pm on January 20th] Zimbabwean sphene 2.520ct loose stone](http://store.karatz.jp/cdn/shop/files/P1149599.jpg?v=1768773538&width=4000)
[On sale at 10pm on January 20th] Zimbabwean sphene 2.520ct loose stone
Sale price¥59,800
![[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)
Sinhalite from Sri Lanka 0.456ct loose stone
Sale price¥9,800
Brazilian Yellow Beryl 0.913ct Loose Stone
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.343ct Loose
Sale price¥12,800
![[12/10 22:00] Mali Garnet (Grossular/Andradite Garnet) 1.008ct Loose Stone from the Republic of Mali with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/PC031988.jpg?v=1765589363&width=4000)
![[Sale at 10 PM on January 5th] [Sakura In-Cut] Mongolian Color Change Andesine 6.0mm/0.655ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC240511_999dac6d-5929-47d3-bac6-fb5d3f71b923.jpg?v=1767309485&width=3249)
![[1/4 22:00 Sale] Brazilian Tourmaline 0.270ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052284.jpg?v=1767484195&width=4000)
[1/4 22:00 Sale] Brazilian Tourmaline 0.270ct Loose Stone
Sale price¥5,980
![[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)
![[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
![[1/2 22:00 Sale] Mexican Fire Opal (Faceted) 0.401ct Loose (Contrarus Opal)](http://store.karatz.jp/cdn/shop/files/PC240043_ec518479-ffe7-45e0-b250-412a86f35bef.jpg?v=1767274443&width=4000)
Sri Lankan Yellow Sapphire 0.170ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.182ct Loose
Sale price¥9,800
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.