Brazilian rainbow scapolite 6mm/0.516ct loose
Sale price¥2,980
Hemimorphite from Congo 0.432ct loose
Sale price¥6,980
Australian boulder opal 0.874ct loose
Sale price¥3,980
Australian boulder opal 0.982ct loose
Sale price¥6,980
Burmese spinel 0.950ct loose (buff top)
Sale price¥15,800
Cambodian colorless zircon 0.630ct loose stone
Sale price¥8,800
Brazilian Petalite 0.725ct Loose Stone
Sale price¥4,980
Tanzanian purple sapphire 0.355ct loose stone
Sale price¥9,800
Australian Opal 0.374ct Loose
Sale price¥6,980
Tanzanian Sunstone (Illusion Sunstone) 0.627ct Loose Stone
Sale price¥9,800
Afghanistan Hackmanite 0.134ct loose stone
Sale price¥6,980
Afghanistan Hackmanite 0.121ct loose stone
Sale price¥6,980
Brazilian Lavender Quartz (Scorolite) 0.797ct Loose Stone
Sale price¥7,980
Brazilian pink tourmaline 0.385ct loose stone
Sale price¥7,980
0.597ct Green Apatite Loose Stone from Madagascar
Sale price¥6,980
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
Australian Prehnite 0.707ct loose stone
Sale price¥6,980
[Rouge Cut] Brazilian Bicolor Tourmaline 0.578ct Loose
Sale price¥9,800
Zimbabwean sphene 0.987ct loose stone
Sale price¥19,800
Zimbabwean sphene 0.978ct loose stone
Sale price¥18,800
Zimbabwean sphene 0.704ct loose stone
Sale price¥14,800
Zimbabwean sphene 0.990ct loose stone
Sale price¥12,800
Zimbabwean sphene 0.726ct loose stone
Sale price¥14,800
Tanzanian Spessartine Garnet 0.209ct Loose Stone
Sale price¥4,980
Zimbabwean Bicolor Euclase 0.146ct Loose Stone
Sale price¥35,800
American Benitoite 2.2mm/0.270ct Loose Stone (Gradation Set)
Sale price¥69,800
Malawi Bicolor Zircon 0.811ct Loose Stone
Sale price¥29,800
Tanzanian Dragon Garnet 0.710ct Loose Stone
Sale price¥19,800
Italian leucite 0.130ct loose
Sale price¥8,800
Sri Lankan white sapphire 2.9mm/0.086ct loose (rose cut)
Sale price¥3,980
Color change garnet from Madagascar 0.648ct loose
Sale price¥8,800
Benitoite 0.095ct loose
Sale price¥18,800
Sphene from Madagascar 0.765ct loose
Sale price¥15,800
Red spinel 0.195ct loose
Sale price¥5,980
Benitoite 2.7mm/0.114ct loose
Sale price¥25,800
Brazilian alexandrite 0.082ct loose
Sale price¥15,800
Brazilian particolor Paraiba tourmaline 0.26ct loose GIA
Sale price¥598,000
Montebrasite from Madagascar 0.328ct loose
Sale price¥3,980
Myanmar Purple Spinel 0.872ct Loose Stone
Sale price¥8,800
Brazilian Paraiba tourmaline 0.226ct loose (CuO:0.7%, MnO:2.5%)
Sale price¥39,800
Bicolor pink star sapphire from Mogok 0.360ct loose
Sale price¥24,800
Bicolor tourmaline 0.591ct loose (rose cut)
Sale price¥8,980
Bicolor tourmaline 0.435ct loose (rose cut)
Sale price¥5,980
Pink tourmaline 0.482ct loose stone
Sale price¥5,980
Brazilian bicolor tourmaline 0.258ct 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.