Grandidierite from Madagascar 0.168ct loose stone
Sale price¥35,800
Tibetan Andesine 0.361ct 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
Tanzanian mint diopside 0.364ct loose stone
Sale price¥9,800
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
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
Bicolor Benitoite 0.194ct loose (square cut)
Sale price¥128,000
Andalusite 5mm/0.480ct loose
Sale price¥3,980
Mexican Opal (Faceted) 0.242ct Loose
Sale price¥8,800
Russian Demantoid Garnet (Horsetail) 3.8mm/0.255ct Loose Stone
Sale price¥39,800
0.424ct Indian Chrysoberyl Loose Stone (Canary Yellow)
Sale price¥15,800
Brazilian Alexandrite 0.097ct Loose Stone (Emerald Cut)
Sale price¥38,800
American Benitoite 0.185ct Loose Stone
Sale price¥128,000
Greenland Sapphire 4.0mm/0.328ct Loose Stone with Certificate
Sale price¥39,800
![[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
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
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
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
German Auchenite 0.095ct loose stone
Sale price¥39,800
German Auchenite 0.085ct loose stone
Sale price¥45,800
German Auchenite 0.083ct loose stone
Sale price¥45,800
[12552640] Unheated Brazilian Paraiba Tourmaline 0.073ct loose stone
Sale price¥49,800
[12552618] Unheated Brazilian Paraiba Tourmaline 0.063ct loose stone
Sale price¥49,800
[Posted in 12548907] Yellow tourmaline 0.469ct loose
Sale price¥8,800
[Posted 12548489] Cornell pin from Tanzania 0.286ct loose
Sale price¥19,800
Euclase from Zimbabwe 0.409ct loose
Sale price¥45,800
Bicolor Zoisite 2.481ct loose
Sale price¥69,800
Grandidierite 0.206ct loose
Sale price¥22,800
Mali Garnet (Grossular/Andradite Garnet) 4.5mm/0.497ct Loose
Sale price¥8,800
Hemimorphite from Congo 0.432ct loose
Sale price¥6,980
Tanzanian purple sapphire 0.355ct loose stone
Sale price¥9,800
Golden Iolite (Cordierite) from Madagascar 0.193ct 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.