![[On Sale at 10pm on October 5th] Russian Alexandrite 0.333ct Loose Stone](http://store.karatz.jp/cdn/shop/files/collage_89c85b39-76b6-43cd-a8f3-dbe1ab17d53d.png?v=1759541829&width=2250)
[On Sale at 10pm on October 5th] Russian Alexandrite 0.333ct Loose Stone
Sale price¥79,800
![[On Sale at 10pm on October 5th] American Benitoite 0.262ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P9194811_f9a96aa6-0dac-4fed-8307-3934b3b064a5.jpg?v=1758416228&width=3061)
[On Sale at 10pm on October 5th] American Benitoite 0.262ct Loose Stone
Sale price¥128,000
Euclase from Zimbabwe 0.409ct loose
Sale price¥45,800
Aquamarine 1.574ct loose stone
Sale price¥9,800
Bicolor sapphire 1.030ct loose from Windsor, Tanzania
Sale price¥89,800
[Rouge cut] Almandine garnet 1.725ct loose
Sale price¥7,980
Bicolor Zoisite 2.481ct loose
Sale price¥69,800
Pink zoisite from Tanzania 6.7mm/1.393ct loose (peach tanzanite)
Sale price¥128,000
Grandidierite 0.206ct loose
Sale price¥22,800
Mali Garnet (Grossular/Andradite Garnet) 4.5mm/0.497ct Loose
Sale price¥8,800
UV type mint garnet 0.435ct loose
Sale price¥3,980
UV type mint garnet 0.521ct loose
Sale price¥3,980
Brazilian Paraiba tourmaline 0.370ct loose (CuO:1.0%, MnO:1.2%)
Sale price¥59,800
Paraiba tourmaline from Mozambique 0.266ct loose
Sale price¥25,800
Musgravite from Myanmar 0.546ct loose Japanese German edition
Sale price¥98,000
Bicolor tanzanite 1.165ct rough stone from Tanzania
Sale price¥7,980
Bicolor tanzanite 1.121ct rough stone from Tanzania
Sale price¥6,980
Bicolor tanzanite 0.492ct raw stone from Tanzania
Sale price¥6,980
Bicolor tourmaline 0.418ct loose
Sale price¥3,980
Brazilian rainbow scapolite 6mm/0.516ct loose
Sale price¥2,980
Brazilian Medusa Quartz (Paraiba Quartz) 1.181ct loose
Sale price¥3,980
Brazilian Medusa Quartz (Paraiba Quartz) 1.008ct loose
Sale price¥4,980
Hemimorphite from Congo 0.432ct loose
Sale price¥6,980
Australian boulder opal 0.874ct loose
Sale price¥3,980
Australian boulder opal 1.156ct loose
Sale price¥3,980
Australian boulder opal 1.173ct loose
Sale price¥5,980
Australian boulder opal 0.982ct loose
Sale price¥6,980
Burmese spinel 0.950ct loose (buff top)
Sale price¥15,800
![[On Sale at 10pm on October 8th] Afghanistan Hackmanite 0.134ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1010004_06442891-88dd-4cd9-94d8-841113444d41.jpg?v=1759709908&width=2971)
![[On Sale at 10pm on October 8th] Afghanistan Hackmanite 0.121ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA034188_bdf22883-abdb-4e24-a418-c1adb2f30066.jpg?v=1759634868&width=2825)
![[On Sale at 10 PM on October 8th] Brazilian Lavender Quartz (Scorolite) 0.797ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA034221.jpg?v=1759634731&width=4000)
![[On Sale at 10 PM on October 8th] Brazilian Pink Tourmaline 0.385ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA034263_9b010db0-a87e-4867-9081-91a11e7d2d6e.jpg?v=1759634363&width=2895)
![[On Sale at 10 PM on October 8th] 0.597ct Green Apatite Loose Stone from Madagascar](http://store.karatz.jp/cdn/shop/files/PA034253_1f123a5a-f05c-4ed9-8b82-0193992482ec.jpg?v=1759634587&width=3100)
![[On Sale at 10 PM on October 8th] Pakistani Oil-in-Quartz 0.353ct Loose Stone (Faceted)](http://store.karatz.jp/cdn/shop/files/collage_a5f64669-c631-449a-91f8-20b78bf670c4.png?v=1759634145&width=2250)
![[On Sale at 10 PM on October 6th] Madagascar Golden Iolite (Cordierite) 0.193ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA034521_096b674b-5591-4711-acd0-f9df63318ff0.jpg?v=1759628928&width=2926)
![[On Sale at 10 PM on 6th October] Tanzanian Sunstone (Illusion Sunstone) 5.0mm/0.338ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA034597_b9b64fbe-8bfe-4fec-9647-c67a02d73916.jpg?v=1759628545&width=3227)
![[On Sale at 10pm on 6th October] Australian Prehnite 0.707ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA034673_06eed45a-5829-44cb-9897-27b0c3ee8fdb.jpg?v=1759629066&width=4000)
![[On sale from 10/6 at 10pm] Brazilian Imperial Topaz 0.394ct Loose](http://store.karatz.jp/cdn/shop/files/PA034555_a8d40a93-ee5c-47c1-b39b-3c34085d382a.jpg?v=1759628722&width=3147)
[On sale from 10/6 at 10pm] Brazilian Imperial Topaz 0.394ct Loose
Sale price¥8,800
![[On Sale at 10 PM on October 6th] [Rouge Cut] Brazilian Bicolor Tourmaline 0.578ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA034631_27397db9-2c5e-4fef-85da-0a984eb085ea.jpg?v=1759628304&width=3144)
![[On sale from 10/9 at 10pm] Synthetic rutile 1.362ct loose stone](http://store.karatz.jp/cdn/shop/files/PA037059.jpg?v=1759929370&width=4000)
[On sale from 10/9 at 10pm] Synthetic rutile 1.362ct loose stone
Sale price¥15,800
![[On Sale at 10pm on 10/9] Tanzanian Dragon Garnet 0.850ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA026369.jpg?v=1759928995&width=4000)
[On Sale at 10pm on 10/9] Tanzanian Dragon Garnet 0.850ct Loose Stone
Sale price¥22,800
![[On Sale at 10pm on 10/9] Tanzanian Dragon Garnet 0.818ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA026279.jpg?v=1759928795&width=4000)
[On Sale at 10pm on 10/9] Tanzanian Dragon Garnet 0.818ct Loose Stone
Sale price¥22,800
![[On Sale at 10 PM on October 9th] Tanzanian Dragon Garnet 5.0mm/0.767ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA026215.jpg?v=1759928297&width=4000)
![[On Sale at 10pm on 10/9] Tanzanian Dragon Garnet 0.931ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA026125.jpg?v=1759927439&width=4000)
[On Sale at 10pm on 10/9] Tanzanian Dragon Garnet 0.931ct Loose Stone
Sale price¥25,800
![[On Sale at 10pm on 10/9] Tanzanian Dragon Garnet 1.015ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA026067.jpg?v=1759927133&width=4000)
[On Sale at 10pm on 10/9] Tanzanian Dragon Garnet 1.015ct Loose Stone
Sale price¥29,800
![[On Sale at 10pm on October 9th] Zimbabwean Sphene 1.028ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA025961.jpg?v=1759926855&width=4000)
[On Sale at 10pm on October 9th] Zimbabwean Sphene 1.028ct Loose Stone
Sale price¥25,800
![[On sale from 10/7 at 10pm] Zimbabwean sphene 0.987ct loose stone](http://store.karatz.jp/cdn/shop/files/PA025771.jpg?v=1759754943&width=4000)
[On sale from 10/7 at 10pm] Zimbabwean sphene 0.987ct loose stone
Sale price¥19,800
![[On sale from 10/7 at 10pm] Zimbabwean sphene 0.978ct loose stone](http://store.karatz.jp/cdn/shop/files/PA025789.jpg?v=1759755115&width=4000)
[On sale from 10/7 at 10pm] Zimbabwean sphene 0.978ct loose stone
Sale price¥18,800
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.