Wood opal 24.319ct loose
Sale price¥59,800
Red Beryl 2.9mm/0.096ct loose
Sale price¥35,800
Pink spinel 3.208ct loose
Sale price¥128,000
Brazilian bicolor tourmaline 2.047ct loose
Sale price¥29,800
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
Serpentine 9.367ct Ruth Japanese-German book
Sale price¥12,800
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
Red beryl 0.098ct loose
Sale price¥22,800
Red beryl 0.094ct loose
Sale price¥18,800
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 2.553ct loose (bicolor)
Sale price¥49,800
Sri Lankan Chrysoberyl Cat's Eye 1.340ct Loose Stone
Sale price¥12,800
Sri Lankan star sapphire 2.094ct loose
Sale price¥16,800
American red beryl 2.9mm/0.094ct loose
Sale price¥35,800
Pink tourmaline (rose cut) 0.512ct loose
Sale price¥8,800
Brazilian imperial topaz 3.287ct loose
Sale price¥18,800
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
Ethiopian Opal 6mm/0.952ct Loose (Sphere)
Sale price¥8,800
Brazilian bicolor tourmaline 1.764ct loose
Sale price¥35,800
Brazilian bicolor tourmaline 1.565ct loose
Sale price¥22,800
Brazilian bicolor tourmaline 1.056ct loose
Sale price¥15,800
Brazilian bicolor tourmaline 0.877ct loose
Sale price¥15,800
Rough diamond (makeable) 0.185ct loose (VS-SI)
Sale price¥22,800
Rough diamond (makeable) 0.345ct loose (VS-SI equivalent)
Sale price¥34,800
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
Chrysoberyl cat's eye 0.810ct loose
Sale price¥12,800
Sunstone (Illusion Sunstone) 0.891ct Loose
Sale price¥12,800
Sunstone (Illusion Sunstone) 0.844ct Loose
Sale price¥12,800
Sunstone (Illusion Sunstone) 0.895ct loose stone
Sale price¥11,800
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.