Brazilian alexandrite 0.061ct loose
Sale price¥12,800
Brazilian alexandrite 0.058ct loose
Sale price¥12,800
Brazilian alexandrite 0.051ct loose
Sale price¥11,000
Brazilian alexandrite 0.060ct loose
Sale price¥12,800
Zimbabwean Euclase 0.028ct loose stone
Sale price¥25,800
Green tourmaline 0.090ct loose stone
Sale price¥6,980
Benitoite 0.080ct loose
Sale price¥12,800
Benitoite 0.066ct loose
Sale price¥14,800
Benitoite 0.084ct loose stone
Sale price¥12,800
Unheated Bicolor Paraiba Tourmaline 0.092ct Loose GIA
Sale price¥188,000
Auinite 2.3mm/0.060ct loose
Sale price¥7,980
Auinite 2.6mm/0.084ct loose
Sale price¥9,800
Auinite 2.4mm/0.064ct loose
Sale price¥9,800
Pink Diamond 0.073 Loose (FANCY DEEP PURPLISH PINK, SI1)
Sale price¥88,800
Pink diamond 0.030ct loose (FANCY PURPLE PINK, SI2)
Sale price¥29,800
Pink diamond 0.086ct loose (FANCY INTENSE PURPLE PINK, I1)
Sale price¥138,000
Pink diamond 0.070ct loose (FANCY INTENSE PURPLE PINK, I1)
Sale price¥118,000
Paraiba tourmaline from Brazil 0.039ct loose (CuO:1.5%, MnO:2.0%)
Sale price¥24,800
Paraiba tourmaline from Brazil 0.032ct loose (CuO:2.2%, MnO:1.8%)
Sale price¥25,800
Paraiba tourmaline from Brazil 0.062ct loose (CuO:1.4%, MnO:1.5%)
Sale price¥39,800
Pezzottite from Madagascar 0.087ct loose
Sale price¥6,980
Benitoite 0.091ct loose (emerald cut)
Sale price¥29,800
Paraiba tourmaline from Mozambique 0.083ct loose
Sale price¥6,580
Paraiba tourmaline from Mozambique 0.089ct loose
Sale price¥7,980
Silky diamond 2.7mm/0.086ct loose
Sale price¥14,800
Silky diamond 2.8mm/0.097ct loose
Sale price¥14,800
Silky diamond 2.7mm/0.090ct loose
Sale price¥12,800
American benitoite 0.076ct loose
Sale price¥25,800
American benitoite 0.074ct loose
Sale price¥22,800
American benitoite 0.076ct loose
Sale price¥25,800
Benitoite 2.5mm/0.065ct loose
Sale price¥17,800
Benitoite 2.5mm/0.079ct loose
Sale price¥23,800
Paraiba tourmaline from Mozambique 0.092ct loose
Sale price¥9,800
Benitoite 0.069ct loose
Sale price¥25,800
Paraiba tourmaline from Brazil 0.038ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.043ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.039ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.037ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.050ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.039ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.036ct loose
Sale price¥25,800
Colombian trapiche emerald (reverse trapiche) 0.098ct rough stone
Sale price¥9,800
Colombian trapiche emerald (reverse trapiche) 3.2mm/ 0.091ct rough stone
Sale price¥11,000
Colombian trapiche emerald (reverse trapiche) 0.082ct rough stone
Sale price¥9,800
Chrome tourmaline from Tanzania 2.5mm/0.076ct loose
Sale price¥3,980
Chrome tourmaline from Tanzania 2.5mm/0.061ct loose
Sale price¥3,980
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.