Tanzanian Kornerupine 0.272ct loose stone
Sale price¥22,800
Tanzanian Kornerupine 0.277ct loose stone
Sale price¥29,800
Tanzanian Kornerupine 0.264ct loose stone
Sale price¥29,800
Cornell pin from Tanzania 0.246ct loose
Sale price¥39,800
Strawberry quartz from Kazakhstan 1.536ct loose
Sale price¥12,800
Strawberry quartz from Kazakhstan 0.915ct loose
Sale price¥6,980
Strawberry quartz from Kazakhstan 0.815ct loose
Sale price¥6,980
Strawberry quartz from Kazakhstan 1.031ct loose
Sale price¥8,800
Strawberry quartz from Kazakhstan 0.773ct loose
Sale price¥6,980
Strawberry quartz from Kazakhstan 1.613ct loose
Sale price¥12,800
Strawberry quartz from Kazakhstan 0.803ct loose
Sale price¥6,980
Strawberry quartz from Kazakhstan 0.977ct loose
Sale price¥7,980
Color change sapphire 0.453ct loose
Sale price¥5,980
Color change sapphire 0.526ct loose
Sale price¥6,980
Illusion Sunstone 0.881ct Loose
Sale price¥8,800
Paraiba tourmaline from Brazil 0.062ct loose (CuO:1.4%, MnO:1.5%)
Sale price¥39,800
Paraiba tourmaline from Brazil 0.032ct loose (CuO:2.2%, MnO:1.8%)
Sale price¥25,800
Paraiba tourmaline from Brazil 0.039ct loose (CuO:1.5%, MnO:2.0%)
Sale price¥24,800
Mexican Opal 1.205ct Loose (Contrarus Opal, Faceted Cut)
Sale price¥29,800
Taaffeite 0.245ct loose Japanese and German
Sale price¥49,800
Mexican fire agate 19.730ct loose
Sale price¥19,800
Brazilian dumortierite in quartz 6mm/0.852ct loose
Sale price¥12,800
Madagascar Pezzottaite 4mm/0.242ct loose stone
Sale price¥8,800
Madagascar Pezzottaite 3.5mm/0.153ct loose stone
Sale price¥5,980
Madagascar Pezzottaite 3.7mm/0.184ct loose stone
Sale price¥6,980
Bekily Blue Garnet from Madagascar (color change garnet) 0.169ct loose
Sale price¥18,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.151ct loose
Sale price¥14,800
Amethyst 3.090ct loose
Sale price¥6,980
Tanzanian Kornerupine 3.4mm/0.185ct Loose Stone
Sale price¥12,800
Cornell pin from Tanzania 3.5mm/0.173ct loose
Sale price¥14,800
Cornelpine from Tanzania 0.331ct loose
Sale price¥29,800
Green tourmaline 0.389ct loose
Sale price¥9,800
Labradorite (Spectrolite) from Finland 4.747ct loose
Sale price¥6,980
Labradorite (Spectrolite) from Finland 5.261ct loose
Sale price¥6,980
Labradorite (Spectrolite) from Finland 6.313ct loose
Sale price¥5,980
Labradorite (Spectrolite) from Finland 6.335ct loose
Sale price¥5,980
Amethyst 30.312ct raw stone from Zambia
Sale price¥6,580
Amethyst 29.357ct raw stone from Zambia
Sale price¥6,580
Amethyst 39.112ct raw stone from Zambia
Sale price¥8,800
Bicolor tourmaline 3.242ct rough stone from Afghanistan
Sale price¥9,800
Pink diamond 0.070ct loose (FANCY INTENSE PURPLE PINK, I1)
Sale price¥118,000
Pink diamond 0.086ct loose (FANCY INTENSE PURPLE PINK, I1)
Sale price¥138,000
Pink diamond 0.030ct loose (FANCY PURPLE PINK, SI2)
Sale price¥29,800
Paraiba tourmaline from Brazil 0.129ct loose (Cu:0.6%,MnO:0.9%)
Sale price¥29,800
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.