Brazilian Alexandrite 0.072ct loose stone (princess cut)
Sale price¥18,800
Brazilian Alexandrite 0.071ct loose stone (emerald cut)
Sale price¥29,800
Brazilian Alexandrite 0.068ct loose stone (princess cut)
Sale price¥17,800
Brazilian Alexandrite 0.069ct loose stone (princess cut)
Sale price¥17,800
[12558729] Brazilian Alexandrite 0.079ct loose stone
Sale price¥31,800
Brazilian Alexandrite 0.066ct loose stone (emerald cut)
Sale price¥22,800
Brazilian Alexandrite 0.054ct Loose Stone (Emerald Cut)
Sale price¥18,800
Brazilian alexandrite 0.060ct loose
Sale price¥14,800
Brazilian Aquamarine 0.578ct Loose Stone
Sale price¥12,800
Brazilian Alexandrite 0.056ct loose stone
Sale price¥22,800
Brazilian Aquamarine 0.474ct Loose Stone
Sale price¥12,800
Brown Diamond 5.2mm/0.561ct Loose (FANCY DARK BROWN, SI2)
Sale price¥29,800
Pink Diamond (Treated) 0.095ct Loose (FANCY VIVID PURPLISH PINK, SI1)
Sale price¥26,800
Loose Pink Diamond, 2.5mm/0.097ct (FANCY PINK, SI2, Princess Cut)
Sale price¥148,000
Pink Diamond 2.1mm/0.034ct Loose (FANCY PURPLE PINK, I-1)
Sale price¥34,800
Pink Diamond 0.074ct Loose (FANCY LIGHT PURPLE PINK, I-1)
Sale price¥39,800
[Posted 32501454] Pink Diamond 0.051ct Loose (FANCY LIGHT PINK, SI-2)
Sale price¥39,800
Burmese Red Spinel 0.177ct Loose
Sale price¥9,800
Burmese Ruby 0.418ct Loose Stone Japan-Germany
Sale price¥35,800
Pigeon Blood Ruby 4.0mm/0.290ct Loose Stone AIGS
Sale price¥59,800
Pigeon Blood Ruby 0.490ct Loose
Sale price¥128,000
Pigeon Blood Ruby 0.340ct Loose
Sale price¥59,800
Pigeon Blood Ruby 0.320ct Loose AIGS
Sale price¥48,800
Pigeon Blood Ruby 0.280ct Loose
Sale price¥49,800
Pigeon Blood Ruby 0.250ct Loose
Sale price¥79,800
Parasite Peridot (Paracytic Peridot) 0.541ct Loose Japanese-German Edition
Sale price¥256,000
Parasitic Peridot 0.292ct Loose Stone
Sale price¥98,000
Parasitic Peridot 0.241ct Loose Stone, Japan-Germany Scale
Sale price¥98,000
Parasite Peridot (Parasitetic Peridot) 0.172ct Loose Stone
Sale price¥98,000
Paracytic peridot 0.536ct loose
Sale price¥188,000
Pakistani Peridot 5.2mm/0.562ct Loose Stone
Sale price¥9,800
3.020 ct Pakistani emerald in quartz loose gemstone
Sale price¥18,800
Pakistani oil-in quartz 0.535ct loose
Sale price¥14,800
[12558581] Pakistani Veirinite 0.183ct loose stone
Sale price¥45,800
Pakistani Veirinite 0.251ct Loose Stone with Certificate of Authenticity
Sale price¥55,800
Pakistani Veirinite 0.096ct loose stone
Sale price¥12,800
Pakistani Veirinite 0.147ct Loose Stone with Certificate of Authenticity
Sale price¥36,800
Bicolor sapphire 0.480ct loose
Sale price¥28,800
Bicolor sapphire 0.481ct loose
Sale price¥25,800
Bicolor tourmaline 4.448ct loose stone
Sale price¥55,800
Bicolor sapphire 0.405ct loose
Sale price¥25,800
Madagascar Purple Sapphire 0.342ct Loose Stone
Sale price¥12,800
Purple Diamond 0.070ct Loose (FANCY VIVID PINK PURPLE, I-1)
Sale price¥188,000
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.