Mexican Fire Opal 5.8mm/0.345ct Loose Stone
Sale price¥12,800
Tanzanian mint diopside 0.290ct loose stone
Sale price¥9,800
Tanzanian mint diopside 0.364ct loose stone
Sale price¥9,800
Brazilian Kasharai Amethyst 5.6mm/0.460ct Loose Stone
Sale price¥8,800
Madagascar Bicolor Sapphire 0.278ct Loose
Sale price¥8,800
Madagascar Bicolor Sapphire 0.324ct Loose
Sale price¥9,800
Brazilian Kasharai Amethyst 0.314ct Loose Stone
Sale price¥9,800
Oregon Sunstone from the United States, 0.386ct loose stone
Sale price¥24,800
Bicolor tourmaline 0.549ct loose (rose cut)
Sale price¥8,800
American Benitoite 0.165ct loose stone
Sale price¥59,800
Mexican Opal (Faceted) 0.242ct Loose
Sale price¥8,800
Russian Demantoid Garnet (Horsetail) 3.8mm/0.255ct Loose Stone
Sale price¥39,800
Brazilian Aquamarine 0.334ct Loose Stone
Sale price¥6,980
0.424ct Indian Chrysoberyl Loose Stone (Canary Yellow)
Sale price¥15,800
Pakistani Veirinite 0.147ct Loose Stone with Certificate of Authenticity
Sale price¥36,800
American Benitoite 0.185ct Loose Stone
Sale price¥128,000
Pakistani Veirinite 0.145ct Loose Stone with Certificate of Authenticity
Sale price¥36,800
Pigeon Blood Ruby 0.320ct Loose AIGS
Sale price¥48,800
![[On Sale at 10 PM on January 5th] Greenland Sapphire 4.0mm/0.328ct Loose Stone with Certificate](http://store.karatz.jp/cdn/shop/files/PA171382.jpg?v=1767532283&width=4000)
![[12559773] Ruby 0.122ct loose stone](http://store.karatz.jp/cdn/shop/files/PA171226_c028b763-7907-435d-9290-5e6712686ee0.jpg?v=1767532283&width=2078)
[12559773] Ruby 0.122ct loose stone
Sale price¥14,800
![[On Sale at 10 PM on January 10th] Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.131ct Loose Stone](http://store.karatz.jp/cdn/shop/files/collage_616b4c8a-81b1-4521-b7f8-9afbd01593f2.png?v=1767911345&width=2250)
Brazilian London Blue Topaz 0.415ct Loose Stone
Sale price¥6,980
Brazilian Morganite 0.484ct loose stone
Sale price¥12,800
Brazilian Morganite 0.377ct loose stone
Sale price¥8,800
Brazilian Aquamarine 0.428ct Loose Stone
Sale price¥8,800
Sri Lankan Peristerite 0.272ct Loose Stone
Sale price¥11,000
Pigeon Blood Ruby 4.0mm/0.290ct Loose Stone AIGS
Sale price¥59,800
Russian Demantoid Garnet (Horsetail) 0.487ct Loose Stone
Sale price¥110,000
Russian Demantoid Garnet (Horsetail) 3.1mm/0.128ct Loose Stone
Sale price¥39,800
Greenland Ruby 3.6mm/0.210ct Loose Stone with Certificate
Sale price¥45,800
Pakistani sphene 0.489ct loose stone
Sale price¥11,000
Pakistani sphene 0.396ct loose stone
Sale price¥9,800
Russian Emerald 0.387ct Loose Stone (F1, Minor Enhancement) GIA
Sale price¥128,000
Russian Emerald 0.282ct Loose Stone (F1, Minor Enhancement) GIA
Sale price¥128,000
American Benitoite 0.262ct loose stone
Sale price¥128,000
Bicolor Zoisite 2.481ct loose
Sale price¥69,800
Tanzanian purple sapphire 0.355ct loose stone
Sale price¥9,800
Australian Opal 0.374ct Loose
Sale price¥6,980
Afghanistan Hackmanite 0.134ct loose stone
Sale price¥6,980
Afghanistan Hackmanite 0.121ct loose stone
Sale price¥6,980
Brazilian pink tourmaline 0.385ct loose stone
Sale price¥7,980
Golden Iolite (Cordierite) from Madagascar 0.193ct loose stone
Sale price¥8,800
Tanzanian Sunstone (Illusion Sunstone) 5.0mm/0.338ct Loose Stone
Sale price¥8,800
Tanzanian Spessartine Garnet 0.209ct Loose Stone
Sale price¥4,980
Zimbabwean Bicolor Euclase 0.146ct Loose Stone
Sale price¥35,800
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.