Goshenite 6.7mm/0.995ct loose stone
Sale price¥12,800
Goshenite 6.5mm/1.066ct loose stone
Sale price¥12,800
Bicolor sapphire from Tanzania 0.184ct loose
Sale price¥6,980
Pink tourmaline 0.645ct loose
Sale price¥9,800
Bicolor tourmaline 0.675ct loose
Sale price¥6,980
Bicolor tourmaline 0.974ct loose
Sale price¥15,800
Alexandrite cat's eye from Sri Lanka 0.947ct loose
Sale price¥19,800
Chrysoberyl cat's eye from Sri Lanka 0.677ct loose
Sale price¥8,800
Chrysoberyl cat's eye from Sri Lanka 0.340ct loose
Sale price¥9,800
Silky sapphire from Sri Lanka 1.086ct loose
Sale price¥15,800
Silky sapphire from Sri Lanka 0.632ct loose
Sale price¥8,800
Silky sapphire from Sri Lanka 0.928ct loose
Sale price¥9,800
Silky sapphire from Sri Lanka 0.920ct loose
Sale price¥14,800
Silky sapphire from Sri Lanka 1.036ct loose
Sale price¥12,800
Silky sapphire from Sri Lanka 0.981ct loose
Sale price¥14,800
Silky sapphire from Sri Lanka 0.868ct loose
Sale price¥12,800
Silky sapphire from Sri Lanka 0.627ct loose
Sale price¥8,800
Silky sapphire from Sri Lanka 1.319ct loose
Sale price¥15,800
Paraiba tourmaline from Mozambique 0.148ct loose
Sale price¥14,800
Paraiba tourmaline from Mozambique 0.227ct loose
Sale price¥25,800
Pink tourmaline 0.984ct loose
Sale price¥9,800
Pink tourmaline 0.669ct loose
Sale price¥9,800
Pink tourmaline 0.460ct loose
Sale price¥6,980
Pink tourmaline 0.489ct loose
Sale price¥6,980
Opal from Indonesia 0.217ct loose
Sale price¥5,980
Brazilian dumortierite in quartz 1.894ct loose
Sale price¥19,800
Goshenite 6mm/0.866ct loose stone
Sale price¥12,800
Goshenite 6mm/0.896ct loose stone
Sale price¥12,800
Green Tourmaline 6mm/0.991ct Loose
Sale price¥15,800
Pink tourmaline 6mm/0.990ct loose stone
Sale price¥12,800
White topaz 1.140ct loose
Sale price¥5,980
Paraiba tourmaline from Mozambique 1.057ct loose
Sale price¥24,800
Paraiba tourmaline from Brazil 0.117ct loose
Sale price¥19,800
Mexican Water Opal 0.598ct Loose (Contralus Opal)
Sale price¥9,800
Pink tourmaline 0.517ct loose
Sale price¥6,980
Bicolor tourmaline 0.467ct loose
Sale price¥6,980
Brazilian dumortierite in quartz 1.186ct loose (faceted cut)
Sale price¥12,800
Brazilian dumortierite in quartz 0.986ct loose (faceted cut)
Sale price¥12,800
Brazilian dumortierite in quartz 1.678ct loose (faceted cut)
Sale price¥18,800
Brazilian dumortierite in quartz 1.971ct loose (faceted cut)
Sale price¥19,800
Brazilian dumortierite in quartz 1.390ct loose (faceted cut)
Sale price¥15,800
Brazilian dumortierite in quartz 1.573ct loose (faceted cut)
Sale price¥18,800
Brazilian dumortierite in quartz 0.993ct loose (faceted cut)
Sale price¥9,800
Pakistani oil-in quartz 0.361ct loose
Sale price¥11,000
Pakistani oil-in quartz 0.535ct loose
Sale price¥18,800
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.