Dendritic Agate 2.964ct loose
Sale price¥8,800
Brazilian kyanite in quartz 4.770ct loose
Sale price¥12,800
Aquamarine cat's eye 3.528ct loose
Sale price¥3,980
Mexican fire agate 3.800ct loose
Sale price¥5,980
Brazilian Medusa Quartz (Paraiba Quartz) 3.441ct loose
Sale price¥3,980
Brazilian Medusa Quartz (Paraiba Quartz) 2.757ct loose
Sale price¥3,980
Tanzanian orange zircon 3.804ct loose
Sale price¥35,800
Brazilian dumortierite in quartz 4.592ct loose
Sale price¥9,800
![[On Sale at 10 PM on December 7th] Rainbow Garnet (Andradite Garnet) 2.365ct Loose Stone from Tenkawa Village, Nara Prefecture](http://store.karatz.jp/cdn/shop/files/PC042583_ed14c696-0ca4-428b-b133-1d94fcdbc792.jpg?v=1765631180&width=3170)
![[12/14 22:00 Sale] Blue beryl (Mashish beryl) 3.268ct loose stone](http://store.karatz.jp/cdn/shop/files/PC052961.jpg?v=1765586000&width=4000)
[12/14 22:00 Sale] Blue beryl (Mashish beryl) 3.268ct loose stone
Sale price¥25,800
Sri Lankan Goethite Into Topaz 3.200ct loose
Sale price¥4,980
![[12/22 22:00] Brazilian Green Tourmaline 3.102ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC094058.jpg?v=1766186898&width=4000)
[12/22 22:00] Brazilian Green Tourmaline 3.102ct Loose Stone
Sale price¥69,800
[12/23 22:00] Australian Black Opal 2.736ct Loose
Sale price¥98,000
[12/23 22:00] Sri Lankan Star Sapphire 3.821ct Loose
Sale price¥79,800
[12/23 22:00] Australian White Opal 4.170ct Loose
Sale price¥69,800
![[12/21 22:00] Rainbow Garnet (Andradite Garnet) 7.0mm/2.135ct Loose Stone from Tenkawa Village, Nara Prefecture](http://store.karatz.jp/cdn/shop/files/PC093949.jpg?v=1766222522&width=4000)
![[12/21 22:00] Zambian Bicolor Tourmaline 4.019ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC093683_ab3ca4d5-82d7-402e-b474-5bcf0af831a4.jpg?v=1766221998&width=3121)
[12/21 22:00] Zambian Bicolor Tourmaline 4.019ct Loose Stone
Sale price¥98,000
![[12/17 22:00] Brazilian Dumortierite in Quartz 2.012ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC093183.jpg?v=1765758494&width=4000)
[12/17 22:00] Brazilian Dumortierite in Quartz 2.012ct Loose Stone
Sale price¥14,800
Australian boulder opal 4.470ct loose
Sale price¥25,800
Brazilian Medusa Quartz (Paraiba Quartz) 3.919ct loose
Sale price¥6,980
Petalite 2.858ct loose
Sale price¥7,980
Chrysoberyl cat's eye 2.283ct loose
Sale price¥12,800
Chrysoberyl cat's eye 2.553ct loose (bicolor)
Sale price¥39,800
![[12/16 22:00] Brazilian Rose Quartz 4.019ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC053205_f1aaf7a0-87fb-4e1d-a7d0-a6b211d1cdaf.jpg?v=1765501592&width=4000)
[12/16 22:00] Brazilian Rose Quartz 4.019ct Loose Stone
Sale price¥11,000
![[12/13 22:00] Brazilian Rose Quartz 2.167ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC042830.jpg?v=1765585045&width=4000)
[12/13 22:00] Brazilian Rose Quartz 2.167ct Loose Stone
Sale price¥9,800
[Rouge cut] Almandine garnet 2.090ct loose
Sale price¥8,800
[Rouge cut] Almandine garnet 2.076ct loose
Sale price¥8,800
Australian boulder opal 3.695ct loose
Sale price¥14,800
Australian boulder opal 2.470ct loose
Sale price¥7,980
Sri Lankan star sapphire 2.094ct loose
Sale price¥12,800
[On Sale 11/23 10pm] 4.678ct Oregon Sunstone Loose Stone from the USA
Sale price¥69,800
Colombian pyrite in emerald 4.592ct loose
Sale price¥110,000
Felspar 2.993ct loose from Sri Lanka
Sale price¥6,980
[11/29 22:00] Tanzanian Almandine Garnet 2.697ct Loose Stone
Sale price¥18,800
[On Sale 11/26 10pm] Brazilian Bicolor Tourmaline 4.497ct Loose Stone
Sale price¥69,800
[11/18 22:00] Oregon Sunstone from the United States, 2.594ct Loose
Sale price¥39,800
[Konpeito] Iolite 3.170ct loose
Sale price¥22,800
Pink spinel 3.208ct loose
Sale price¥98,000
[11/16 22:00 Sale] Synthetic Rutile 3.637ct Loose Stone
Sale price¥29,800
[11/14 22:00 Sale] Afghanistan Kunzite 3.973ct Loose Stone
Sale price¥12,800
Brazilian bicolor tourmaline 2.047ct loose
Sale price¥29,800
Felspar 3.330ct loose from Sri Lanka
Sale price¥8,800
[12/3 22:00] Tanzanian Almandine Garnet 2.897ct Loose Stone
Sale price¥22,800
[11/27 22:00] Tibetan Andesine 2.769ct Loose Stone (Pixel Cut)
Sale price¥9,800
[11/20 22:00 Sale] Tanzanian Almandine Garnet 2.972ct Loose Stone
Sale price¥18,800
[11/20 22:00 Sale] Tanzanian Rhodolite Garnet 3.486ct Loose Stone
Sale price¥24,800
[On sale 11/3 at 10pm] Illusion Bicolor Tourmaline 3.202ct Loose Stone
Sale price¥69,800
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.