Sri Lankan Ratotta Topaz 7.709ct Loose (White Topaz)
Sale price¥15,800
Silky diamond 2.8mm/0.097ct loose
Sale price¥14,800
Indigolite tourmaline 0.691ct loose
Sale price¥18,800
Indigolite tourmaline 0.674ct loose
Sale price¥9,800
Indigolite tourmaline 0.386ct loose
Sale price¥7,980
Indigolite tourmaline 0.750ct loose
Sale price¥14,800
Indigolite tourmaline 0.842ct loose
Sale price¥14,800
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
Ubaite/dravite tourmaline 3.157ct rough stone
Sale price¥9,800
Brazilian dumortierite in quartz 3.814ct raw stone
Sale price¥3,980
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
Brazilian Dumortierite in Quartz 2.932ct loose
Sale price¥25,800
Brazilian dumortierite in quartz 1.894ct loose
Sale price¥19,800
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
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 2.625ct loose (faceted cut)
Sale price¥26,800
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
Brazilian dumortierite in quartz 1.906ct loose (faceted cut)
Sale price¥25,800
Brazilian dumortierite in quartz 2.227ct loose (faceted cut)
Sale price¥25,800
Brazilian dumortierite in quartz 0.979ct loose (faceted cut)
Sale price¥14,800
Brazilian dumortierite in quartz 1.060ct loose (faceted cut)
Sale price¥15,800
Paraiba tourmaline from Mozambique 0.092ct loose
Sale price¥9,800
South African yellow diamond (makeable) 0.202ct rough stone
Sale price¥17,800
South African yellow diamond (makeable) 0.193ct rough stone
Sale price¥9,800
South African gray diamond (makeable) 0.169ct rough stone
Sale price¥15,800
South African yellow diamond (makeable) 0.159ct rough stone
Sale price¥15,800
Paraiba tourmaline from Brazil 0.038ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.043ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.039ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.037ct loose
Sale price¥29,800
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.