Chrysoberyl cat's eye 0.810ct loose
Sale price¥12,800
Blue Topaz 5.1mm/0.511ct Loose
Sale price¥4,980
Blue Topaz 4.5mm/0.422ct Loose
Sale price¥3,980
Paraiba tourmaline from Brazil 0.211ct loose (CuO:0.6%,MnO:3.1%)
Sale price¥49,800
Purple spinel 0.754ct loose
Sale price¥9,800
Lavender spinel 0.305ct loose
Sale price¥7,980
Bicolor Benitoite 0.282ct loose
Sale price¥220,000
Brazilian blue tourmaline 0.376ct loose
Sale price¥8,800
Brazilian Alexandrite 0.068ct Ruth (Hemachita Mine)
Sale price¥17,800
Brazilian Alexandrite 0.074ct Ruth (Hemachita Mine)
Sale price¥15,800
Brazilian Alexandrite 0.086ct Ruth (Hemachita Mine)
Sale price¥18,800
Pink zoisite from Tanzania 0.536ct loose Japanese German edition
Sale price¥39,800
Paraiba tourmaline from Brazil 0.144ct loose (CuO:0.9%,MnO:2.8%)
Sale price¥55,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.346ct loose
Sale price¥25,800
Ruby 0.194ct loose
Sale price¥8,800
[On sale at 10pm on September 22nd] Tanzanian Ruby 0.472ct Loose
Sale price¥5,980
Cornel pin cat's eye 0.513ct loose
Sale price¥6,980
Cornel pin cat's eye 0.791ct loose
Sale price¥8,800
Cornel pin cat's eye 0.872ct loose
Sale price¥6,980
Cornel pin cat's eye 0.549ct loose
Sale price¥4,980
Cornel pin cat's eye 0.980ct loose
Sale price¥6,980
Spinel from Sri Lanka 0.276ct loose
Sale price¥4,980
Cobalt spinel from Vietnam 2mm/0.031ct loose Japanese-German edition
Sale price¥59,800
Kenyan gold sheen sapphire 2.3mm/0.083ct loose
Sale price¥8,800
Cornelpine 0.520ct rough stone
Sale price¥3,980
Cornelpine 0.500ct rough stone
Sale price¥4,980
Cornerpine 0.890ct rough stone
Sale price¥5,980
Cornelpine 0.880ct rough stone
Sale price¥3,980
Cornelpine 0.740ct rough stone
Sale price¥3,980
Cornerpine 0.400ct rough stone
Sale price¥2,980
Cornerpine 0.730ct rough stone
Sale price¥2,980
Cornelpine 0.490ct rough stone
Sale price¥2,980
Diamond 0.348ct loose (I, SI1)
Sale price¥59,800
Pink diamond 0.191ct loose (VERY LIGHT ORANGY PINK, SI2)
Sale price¥59,800
Euparite 193g
Sale price¥39,800
Yellow diamond 0.190ct loose (FANCY DEEP ORANGY YELLOW, SI2)
Sale price¥39,800
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.