Sri Lankan pink star sapphire 0.270ct loose stone
Sale price¥12,800
Brazilian Alexandrite 0.071ct loose stone (emerald cut)
Sale price¥29,800
Russian Demantoid Garnet (Horsetail certified) 3.6mm/0.293ct loose stone
Sale price¥49,800
Tanzania Magnesioaxinite 0.198ct loose stone by Nikkei
Sale price¥69,800
Zimbabwean Euclase 0.107ct loose stone
Sale price¥79,800
Blue spinel 0.451ct loose stone
Sale price¥18,800
Brazilian Dumortierite in Quartz 3.490ct loose stone
Sale price¥18,800
Star Ruby 0.461ct Loose Stone with Certificate
Sale price¥18,800
Brazilian Dumortierite in Quartz 1.256ct loose stone
Sale price¥15,800
American red beryl 0.080ct loose
Sale price¥39,800
Tanzania Bicolor Zoisite 6.9mm/1.365ct Loose Stone
Sale price¥24,800
Brazilian alexandrite 0.078ct loose
Sale price¥29,800
Brazilian copper rutilated quartz 1.445ct loose stone
Sale price¥8,800
Brazilian Medusa Quartz (Paraiba Quartz) 2.250ct Loose
Sale price¥19,800
Brazilian copper rutilated quartz 2.051ct loose stone
Sale price¥8,800
Brazilian Medusa Quartz (Paraiba Quartz) 1.672ct Loose Stone
Sale price¥15,800
Prehnite 3.016ct loose stone
Sale price¥6,980
Ethiopian Opal 6.0mm/0.584ct Loose
Sale price¥12,800
Sri Lankan saffron 0.264ct loose stone with certificate
Sale price¥22,800
Sri Lankan Star Ruby 0.564ct Loose Stone with Certificate
Sale price¥24,800
Namibian Jeremejevite 0.069ct loose stone with certificate
Sale price¥19,800
Tanzania Peristallite 5.4mm/0.397ct loose stone
Sale price¥7,980
[Cat cut (leopard print)] Amber 8.0mm/0.664ct loose stone
Sale price¥9,800
[Cat cut (cheetah pattern)] Amber 8.1mm/0.916ct loose stone
Sale price¥9,800
Brazilian Paraiba Tourmaline in Quartz 0.712ct Loose Stone
Sale price¥15,800
Brazilian Alexandrite 0.056ct loose stone
Sale price¥22,800
Namibian Jeremejevite 0.065ct loose stone with certificate
Sale price¥19,800
Pakistani Veirinite 0.164ct loose stone with certificate
Sale price¥45,800
Nigerian Morganite 0.544ct loose stone
Sale price¥11,000
Brazilian Alexandrite 0.091ct loose stone (princess cut)
Sale price¥22,800
White Topaz 2.563ct Loose (Needle-in Topaz)
Sale price¥5,980
Brazilian bicolor topaz 1.932ct loose stone
Sale price¥18,800
Brazilian Golden Beryl 7.3mm/1.391ct Loose Stone
Sale price¥8,800
Brazilian unheated pink imperial topaz (sherry pink) 0.284ct loose stone
Sale price¥15,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.735ct Loose Stone
Sale price¥15,800
Purple Apatite 0.896ct Loose Stone with Certificate of Authenticity
Sale price¥11,000
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.704ct Loose Stone
Sale price¥15,800
Cambodian colorless zircon 0.707ct loose stone
Sale price¥8,800
Cambodian colorless zircon 0.749ct loose stone
Sale price¥8,800
Cambodian Blue Zircon 0.431ct Loose
Sale price¥7,980
Purple Apatite 0.769ct Loose Stone with Certificate of Authenticity
Sale price¥8,800
Purple Apatite 0.993ct Loose Stone with Certificate of Authenticity
Sale price¥9,800
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.