Laurentomasite from Madagascar 0.028ct loose Japanese and German
Sale price¥79,800
Laurentomasite from Madagascar 0.022ct Ruth Japanese and German
Sale price¥69,800
Sapphire from Madagascar 4.5mm/0.414ct loose
Sale price¥16,800
Sapphire from Madagascar 4.3mm/0.398ct loose
Sale price¥15,800
Hot Pink Spinel 0.203ct Loose (Mahenge Spinel)
Sale price¥12,800
Pink sapphire from Mozambique 0.213ct loose (hot pink sapphire)
Sale price¥14,800
Pink diamond 2.2mm/0.044ct loose (FANCY PURPLE PINK, I-1)
Sale price¥39,800
Synthetic Moissanite 0.632ct loose stone (tie cut)
Sale price¥6,980
Synthetic Moissanite 0.509ct loose stone (tie cut)
Sale price¥6,980
Colombian trapiche emerald (reverse trapiche) 0.072ct loose
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.095ct loose
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.152ct loose
Sale price¥15,800
Colombian trapiche emerald (reverse trapiche) 0.113ct loose
Sale price¥14,800
Colombian trapiche emerald (reverse trapiche) 0.196ct loose
Sale price¥22,800
Colombian trapiche emerald (reverse trapiche) 0.099ct loose
Sale price¥11,800
Colombian trapiche emerald (reverse trapiche) 0.074ct loose
Sale price¥11,000
Colombian trapiche emerald (reverse trapiche) 0.108ct loose
Sale price¥13,800
Colombian trapiche emerald (reverse trapiche) 0.084ct loose
Sale price¥9,800
Colombian trapiche emerald (reverse trapiche) 0.144ct loose
Sale price¥18,800
Colombian trapiche emerald (reverse trapiche) 0.053ct loose
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.094ct loose
Sale price¥12,800
Spanish Andalusite 0.317ct loose stone
Sale price¥8,800
Andalusite 0.293ct loose stone
Sale price¥6,980
Andalusite 0.192ct loose stone
Sale price¥4,980
Red Beryl 2.9mm/0.096ct loose
Sale price¥35,800
Colombian trapiche emerald (reverse trapiche) 0.170ct loose
Sale price¥15,800
Colombian trapiche emerald (reverse trapiche) 0.188ct loose
Sale price¥18,800
Colombian trapiche emerald (reverse trapiche) 0.093ct loose
Sale price¥9,800
Red beryl 0.173ct loose
Sale price¥38,800
Red beryl 0.136ct loose
Sale price¥29,800
Red beryl 0.131ct loose
Sale price¥28,800
Diamond 0.061ct loose (trapeze cut, VS class equivalent)
Sale price¥9,800
Diamond 0.042ct loose (trapeze cut, VS class equivalent)
Sale price¥8,800
Diamond 0.039ct loose (trapeze cut, equivalent to VS class)
Sale price¥7,980
Chrysoberyl cat's eye 0.904ct loose
Sale price¥12,800
American red beryl 2.9mm/0.094ct loose
Sale price¥35,800
Pink tourmaline (rose cut) 0.512ct loose
Sale price¥8,800
Yellow sapphire from Madagascar 0.232ct loose
Sale price¥7,980
Yellow sapphire from Madagascar 0.207ct loose
Sale price¥7,980
Madagascar sapphire 0.205ct loose
Sale price¥9,800
Green sapphire from Madagascar 0.199ct loose
Sale price¥7,980
Yellow sapphire from Madagascar 0.181ct loose
Sale price¥5,980
Ice blue sapphire from Madagascar 0.181ct loose
Sale price¥7,980
Bicolor tourmaline 0.397ct loose
Sale price¥8,800
Chrysoberyl cat's eye 0.844ct loose
Sale price¥12,800
Chrysoberyl cat's eye 0.861ct loose
Sale price¥18,800
Chrysoberyl cat's eye 0.953ct loose
Sale price¥15,800
Chrysoberyl cat's eye 0.712ct loose
Sale price¥9,800
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.