Ha line

Bicolor Benitoite 0.130ct loose (emerald cut) Sale price¥65,800

American Benitoite 2.5mm/0.065ct Loose Stone Sale price¥17,800

American benitoite 0.069ct loose Sale price¥19,800

Sri Lankan Bicolor Sapphire 0.607ct Loose Stone Sale price¥15,800

Australian black opal 0.758ct loose stone Sale price¥18,800

3.583ct Australian Black Opal Loose Stone (Double Sided) Sale price¥29,800

Sri Lankan bicolor sapphire 0.586ct loose stone Sale price¥39,800

Paraiba tourmaline from Brazil 3.5mm/0.278ct loose Sale price¥29,800

Paraiba tourmaline from Mozambique 0.516ct loose Sale price¥39,800

Paraiba tourmaline from Mozambique 0.270ct loose Sale price¥18,800

Parasitic Peridot 0.241ct Loose Stone, Japan-Germany Scale Sale price¥98,000

American benitoite 0.097ct loose Sale price¥24,800

American benitoite 0.101ct loose Sale price¥25,800

American benitoite 0.102ct loose Sale price¥22,800

American benitoite 0.098ct loose Sale price¥25,800

Bicolor sapphire from Madagascar 0.265ct loose Sale price¥16,800

Bicolor chrysoberyl from Madagascar 1.753ct loose Sale price¥25,800

Bicolor chrysoberyl from Madagascar 1.003ct loose Sale price¥14,800

Bicolor chrysoberyl from Madagascar 1.520ct loose Sale price¥18,800

Blue beryl (Mashish beryl) 3.268ct loose stone Sale price¥25,800

[12/7 22:00] American Peridot 0.385ct Loose Stone Sale price¥8,800

Australian boulder opal 6.980ct loose Sale price¥6,980

Red beryl 0.104ct loose Sale price¥29,800

Australian black opal 2.736ct loose Sale price¥98,000

Zambian bicolor tourmaline 4.019ct loose stone Sale price¥98,000

Red beryl 0.120ct loose Sale price¥35,800

Brazilian Paraiba tourmaline in quartz 2.954ct loose Sale price¥39,800

Paraiba tourmaline from Brazil 0.34ct loose GIA Sale price¥79,800

Chrysoberyl cat's eye 2.553ct loose (bicolor) Sale price¥39,800

2.275ct Australian Black Opal Loose Stone (Double Sided) Sale price¥59,800

Mexican Fire Opal (Faceted) 0.401ct Loose (Contrarus Opal) Sale price¥15,800

Australian boulder opal 3.695ct loose Sale price¥14,800

Australian boulder opal 2.470ct loose Sale price¥7,980

American red beryl 2.9mm/0.094ct loose Sale price¥29,800

[12545123 published] Yellow Beryl 0.696ct loose Sale price¥3,980

Felspar 2.993ct loose from Sri Lanka Sale price¥6,980

Paraiba tourmaline from Brazil 0.144ct loose (CuO:0.9%,MnO:2.8%) Sale price¥55,800

Brazilian bicolor tourmaline 4.497ct loose stone Sale price¥69,800

Brazilian Yellow Beryl 9.747ct Loose Stone Sale price¥98,000

1.705ct Australian Prehnite Loose Stone Sale price¥9,800

Australian Prehnite 1.691ct loose stone Sale price¥9,800

Felspar 1.939ct loose from Sri Lanka Sale price¥5,980

Brazilian bicolor tourmaline 2.047ct loose Sale price¥29,800

Felspar 3.330ct loose from Sri Lanka Sale price¥8,800

Brazilian bicolor tourmaline 1.764ct loose Sale price¥32,800

Brazilian bicolor tourmaline 1.565ct loose Sale price¥19,800

Illusion Bicolor Tourmaline 3.202ct Loose Stone Sale price¥69,800

American Peridot 0.635ct Loose Stone Sale price¥12,800

KARATZ Custom Made

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.

KARATZ・Five Commitments

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.