Afghanistan Oil-Free Emerald 0.100ct Loose GIA
Sale price¥98,000
0.060ct loose, oil-free emerald from Madagascar, GIA
Sale price¥69,800
Brazilian Aquamarine 0.223ct Loose Stone
Sale price¥8,800
Brazilian Aquamarine 0.238ct Loose Stone (Princess Cut)
Sale price¥5,980
Brazilian Aquamarine 0.239ct Loose Stone (Princess Cut)
Sale price¥8,800
Brazilian Aquamarine 0.228ct Loose Stone
Sale price¥6,980
Brazilian Aquamarine 0.214ct Loose Stone (Princess Cut)
Sale price¥6,980
Tanzanian Kornerupine 0.084ct Loose Stone
Sale price¥22,800
Diamond (cabochon cut) 0.196ct loose
Sale price¥29,800
American Benitoite 0.158ct loose stone
Sale price¥59,800
Sri Lankan Rhodolite Garnet 0.244ct Loose Stone, Japan-Germany Scale
Sale price¥8,800
Zimbabwean Euclase 0.129ct Loose Stone with Certificate of Authenticity
Sale price¥29,800
Blue beryl (Macis beryl) 0.181ct loose stone
Sale price¥12,800
American Red Beryl 0.217ct Loose
Sale price¥49,800
German Awinite 3.5mm/0.158ct loose stone
Sale price¥98,000
Yellow Diamond (Cabochon Cut) 0.176ct Loose
Sale price¥29,800
Madagascar Bicolor Sapphire 0.232ct Loose
Sale price¥15,800
Madagascar Bicolor Sapphire 0.188ct Loose
Sale price¥12,800
Diamond 0.245ct loose stone (E, VS-1, octagon brilliant cut)
Sale price¥39,800
Blue sapphire 0.282ct loose stone (teal color)
Sale price¥15,800
American Benitoite 0.167ct loose stone
Sale price¥59,800
American Benitoite 0.150ct loose stone (emerald cut)
Sale price¥69,800
American Benitoite 3.1mm/0.129ct loose stone
Sale price¥59,800
Orange spinel 0.225ct loose stone
Sale price¥12,800
Sri Lankan saffron 0.121ct loose stone
Sale price¥18,800
Russian Alexandrite 0.065ct loose stone
Sale price¥59,800
Brazilian Alexandrite 0.097ct loose stone
Sale price¥18,800
Ruby 0.258ct loose
Sale price¥18,800
Moldavite from former Czechoslovakia 0.077ct loose stone
Sale price¥6,980
Sri Lankan Yellow Sapphire 0.250ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.223ct Loose
Sale price¥12,800
American Benitoite 3.5mm/0.192ct Loose Stone (Contains Minerals)
Sale price¥69,800
Brazilian alexandrite 0.082ct loose
Sale price¥12,800
Pakistani Veirinite 0.173ct loose stone with certificate
Sale price¥45,800
Pakistani Veirinite 0.157ct loose stone with certificate
Sale price¥39,800
Brazilian Dumortierite in Quartz 0.154ct loose stone (faceted cut)
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.209ct Loose
Sale price¥15,800
Turkish pink diaspore 0.171ct loose stone
Sale price¥8,800
Moldavite from former Czechoslovakia 0.051ct loose stone
Sale price¥7,980
Namibian Jeremejevite 0.069ct loose stone with certificate
Sale price¥19,800
Sri Lankan Dunilite 0.142ct loose stone with certificate
Sale price¥25,800
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.