Tibetan Andesine 0.361ct Loose Stone
Sale price¥8,800
Oregon Sunstone from the United States, 0.478ct loose stone
Sale price¥8,800
Tanzanite from Tanzania 0.342ct loose stone
Sale price¥7,980
Tanzanite from Tanzania 0.342ct loose stone
Sale price¥7,980
Almandine Garnet 0.348ct Loose Stone
Sale price¥8,800
Mexican Fire Opal 5.8mm/0.345ct Loose Stone
Sale price¥12,800
Moldavite from the former Czechoslovakia, 0.090ct loose stone
Sale price¥9,800
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
Rough diamond (makeable) 0.185ct loose (VS-SI)
Sale price¥19,800
Rough diamond (makeable) 0.345ct loose (VS-SI equivalent)
Sale price¥29,800
Brazilian emerald 3.3mm/0.119ct loose
Sale price¥22,800
Prehnite 5.3mm/0.469ct loose
Sale price¥3,980
Brazilian emerald cat's eye 0.459ct loose
Sale price¥5,980
Blue tourmaline from Afghanistan 0.209ct loose
Sale price¥2,980
Blue tourmaline from Afghanistan 3.5mm/0.178ct loose
Sale price¥3,980
Yellow tourmaline 0.431ct loose stone
Sale price¥3,980
Color change sapphire 0.283ct loose
Sale price¥3,980
Bicolor Euclase from Zimbabwe 0.084ct loose
Sale price¥98,000
Bicolor Benitoite 0.194ct loose (square cut)
Sale price¥128,000
Bicolor tourmaline 0.549ct loose (rose cut)
Sale price¥8,800
Andalusite 5mm/0.480ct loose
Sale price¥3,980
American Benitoite 0.165ct loose stone
Sale price¥59,800
Mexican Opal (Faceted) 0.242ct Loose
Sale price¥8,800
Russian Demantoid Garnet (Horsetail) 0.036ct Loose Stone
Sale price¥6,980
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
Brazilian Alexandrite 0.097ct Loose Stone (Emerald Cut)
Sale price¥38,800
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
Brazilian Paraiba tourmaline 0.170ct loose stone (CuO: 2.1%, MnO: 1.1%)
Sale price¥198,000
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
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.