Mexican Cantera Opal 8.331ct Loose
Sale price¥39,800
American Red Beryl 0.217ct Loose
Sale price¥49,800
Pakistani Axinite (Blue Tint) 0.815ct Loose Stone
Sale price¥45,800
[Takeshi Yamamoto] Brazilian Rock Crystal 12.725ct Loose
Sale price¥39,800
Triphylite (Color Change Type) 0.467ct Loose Stone with Certificate
Sale price¥49,800
Brazilian bicolor tourmaline 1.875ct loose stone
Sale price¥39,800
Zimbabwe bicolor euclase 0.192ct loose stone
Sale price¥39,800
Synthetic Moissanite 13.5mm/8.950ct Loose
Sale price¥39,800
Madagascar Iolite 3.129ct loose stone
Sale price¥39,800
Brazilian Green Tourmaline 4.613ct Loose Stone
Sale price¥39,800
Namibian Jeremejevite 0.171ct loose stone
Sale price¥39,800
Pakistani Axinite 1.190ct loose stone (green tint)
Sale price¥39,800
Tanzanite from Tanzania 5.8mm/0.803ct loose stone
Sale price¥35,800
Pakistani Axinite (Green Tint) 1.389ct Loose Stone
Sale price¥39,800
Tanzanite 1.458ct loose stone
Sale price¥39,800
Colombian Euclase 1.314ct loose stone
Sale price¥39,800
[Takeshi Yamamoto] Bicolor Smoky Quartz 10.674ct Loose Stone
Sale price¥39,800
Nigerian Cobalt Garnite 0.216ct Loose Stone, Japan-Germany Exchange
Sale price¥45,800
Zimbabwe bicolor euclase rough stone 0.960ct
Sale price¥39,800
Congo hemimorphite 9.849ct loose stone
Sale price¥49,800
Colombian mica in emerald 1.940ct loose
Sale price¥49,800
Round Diamond 0.389ct Loose (Cabochon Cut)
Sale price¥39,800
Brazilian Paraiba Tourmaline in Quartz 3.046ct loose stone
Sale price¥45,800
Tanzania UV type bicolor tsavorite 0.947ct loose stone
Sale price¥39,800
Cassiterite 1.676ct loose stone with certificate
Sale price¥45,800
Cassiterite 1.477ct loose stone (bicolor) with certificate
Sale price¥39,800
South African Diamond Rough (Sawable) 0.107ct Rough Trigon
Sale price¥42,800
Pakistani Veirinite 0.173ct loose stone with certificate
Sale price¥45,800
Pakistani Veirinite 0.157ct loose stone with certificate
Sale price¥39,800
[Sakura Shape] Brazilian Green Tourmaline 6.7mm/1.057ct Loose Patch
Sale price¥39,800
Mexican Cantera Opal 3.176ct Loose
Sale price¥39,800
Pt950 Sri Lankan purple sapphire 0.318ct and blue sapphire earrings
Sale price¥39,800
[12558729] Brazilian Alexandrite 0.079ct loose stone
Sale price¥31,800
Myanmar Star Peridot 3.644ct Loose Stone
Sale price¥39,800
[Sakura Shape] Mexican Opal 8.2mm/1.465ct {Collaboration} Loose Patch
Sale price¥45,800
American red beryl 0.080ct loose
Sale price¥39,800
Myanmar Leuco Garnet 0.504ct Loose Stone JTL Catalog
Sale price¥39,800
[12558581] Pakistani Veirinite 0.183ct loose stone
Sale price¥45,800
Veininite from Pakistan 0.184ct loose stone with gemological report
Sale price¥45,800
[12558439] Malawi Bicolor Zircon 0.809ct Loose Stone
Sale price¥32,800
Brazilian alexandrite 0.145ct loose
Sale price¥35,800
Tanzanian Kornerupine 0.392ct loose stone
Sale price¥35,800
Pakistani Axinite (Green Tint) 1.003ct 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.