American oil-free red beryl 2.6mm/0.050ct loose GIA
Sale price¥79,800
0.076ct Loose Madagascar Bekily Blue Garnet (Color Change Garnet)
Sale price¥9,800
Loose Pink Diamond, 2.5mm/0.097ct (FANCY PINK, SI2, Princess Cut)
Sale price¥148,000
Canadian rough diamond (sawable) 0.096ct rough with trigon
Sale price¥29,800
Uncut Canadian diamond (sawable) 0.103ct
Sale price¥29,800
Colombian emerald 0.091ct loose stone
Sale price¥15,800
German Hauyne 2.7mm/0.076ct Loose Stone
Sale price¥29,800
Russian Alexandrite 0.083ct loose stone
Sale price¥69,800
Russian Alexandrite 0.049ct loose stone
Sale price¥49,800
Russian Alexandrite 2/5mm/0.070ct Loose Stone
Sale price¥59,800
German Awinite 0.063ct loose stone
Sale price¥29,800
Brazilian Alexandrite 0.097ct Loose Stone (Emerald Cut)
Sale price¥38,800
Russian Demantoid Garnet (Horsetail) 2.5mm/0.079ct Loose Stone
Sale price¥12,800
Brazilian Paraiba Tourmaline 0.039ct Loose Stone (CuO: 2.0%, MnO: 2.3%)
Sale price¥45,800
[12554117] Brazilian Alexandrite 0.058ct loose stone
Sale price¥14,800
South African rough diamond (sawable) 0.105ct rough (with trigon)
Sale price¥39,800
Colombian emerald 0.101ct loose stone
Sale price¥15,800
South African Diamond Rough (Sawable) 0.107ct Rough Trigon
Sale price¥42,800
Brazilian Alexandrite 0.091ct loose stone (princess cut)
Sale price¥22,800
Brazilian Alexandrite 0.056ct loose stone
Sale price¥22,800
Brazilian Alexandrite 0.054ct Loose Stone (Emerald Cut)
Sale price¥18,800
[12558729] Brazilian Alexandrite 0.079ct loose stone
Sale price¥31,800
Brazilian alexandrite 0.078ct loose
Sale price¥29,800
Brazilian Alexandrite 0.071ct loose stone (emerald cut)
Sale price¥29,800
Brazilian Alexandrite 0.066ct loose stone (emerald cut)
Sale price¥22,800
Namibian Jeremejevite 0.052ct loose stone JTL catalogue
Sale price¥18,800
Brazilian Alexandrite 0.052ct loose stone
Sale price¥9,800
South African diamond rough (sawable) 0.087ct rough
Sale price¥34,800
Colombian emerald 0.126ct loose stone
Sale price¥15,800
Russian Demantoid Garnet 2.5mm/0.111ct Loose Stone
Sale price¥18,800
Bekiri Blue Garnet (Color Change Garnet) from Madagascar 0.170ct Loose
Sale price¥17,800
Bekiri Blue Garnet (Color Change Garnet) from Madagascar 0.160ct Loose
Sale price¥16,800
South African diamond rough (sawable) 0.096ct rough (with trigon)
Sale price¥39,800
Tanzanian Blue Spinel 0.165ct Loose Stone
Sale price¥8,800
Namibian Jeremejevite 0.046ct loose stone
Sale price¥8,800
South African diamond rough (sawable) 0.112ct rough
Sale price¥44,800
South African diamond rough (sawable) 0.091ct rough (trigon)
Sale price¥35,800
Zimbabwe Bicolor Euclase 2.6mm/0.087ct Loose Stone
Sale price¥55,800
Zimbabwean Euclase 0.039ct loose stone
Sale price¥22,800
Zimbabwean Euclase 0.063ct loose stone
Sale price¥39,800
Euclase from Zimbabwe 0.046ct loose
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.