Madagascar Blue Sapphire 0.302ct Loose
Sale price¥16,800
Madagascar pink sapphire 0.346ct loose stone
Sale price¥16,800
Madagascar pink sapphire 0.243ct loose stone
Sale price¥9,800
Sri Lankan Blue Sapphire 0.519ct Loose
Sale price¥15,800
Spanish Andalusite 0.535ct loose stone
Sale price¥8,800
Ethiopian Opal 5.7mm/0.878ct Loose (Sphere)
Sale price¥7,980
[Cat cut] Brazilian dendritic agate 0.774ct loose stone
Sale price¥8,800
[Cat cut] Brazilian dendritic agate 0.744ct loose stone
Sale price¥8,800
Madagascar sphene 0.838ct loose stone
Sale price¥12,800
Greenland sapphire 0.592ct loose stone
Sale price¥24,800
Tanzania color change spinel 0.319ct loose stone
Sale price¥29,800
Sri Lankan Blue Sapphire (Ice Blue) 0.584ct Loose
Sale price¥9,800
Tanzanian Chrome Tourmaline 0.760ct Loose Stone
Sale price¥6,980
Colombian Trapiche Emerald 0.422ct Loose
Sale price¥22,800
Colombian emerald 0.153ct rough stone
Sale price¥7,980
Colombian emerald 0.202ct rough stone
Sale price¥9,800
Mica in Quartz 0.710ct Loose
Sale price¥5,980
Mica in Quartz 0.594ct loose stone
Sale price¥5,980
Benitoite 0.286ct loose
Sale price¥258,000
Oregon Sunstone 0.575ct loose
Sale price¥12,800
Oregon sunstone 0.390ct loose
Sale price¥14,800
Aquamarine 0.327ct loose stone
Sale price¥9,800
Sunstone (Illusion Sunstone) 0.553ct Loose
Sale price¥8,800
Namibian Jeremejevite 0.261ct loose stone
Sale price¥69,800
Tanzanian Kornerupine 0.300ct Loose Stone
Sale price¥29,800
Tanzanian Kornerupine 0.249ct loose stone
Sale price¥22,800
Tanzanian Kornerupine 0.303ct loose stone
Sale price¥12,800
Paraiba tourmaline from Mozambique 0.252ct loose
Sale price¥15,800
Paraiba Tourmaline from Mozambique 0.234ct loose stone
Sale price¥12,800
Pink sapphire 0.202ct loose stone
Sale price¥9,800
Pink sapphire 0.202ct loose stone
Sale price¥8,800
Purple sapphire 0.199ct loose stone
Sale price¥8,800
Colombian emerald 0.512ct loose stone (silky type)
Sale price¥14,800
Colombian Trapiche emerald 0.418ct rough stone
Sale price¥39,800
Diamond rough stone 0.967ct
Sale price¥5,980
Australian black opal 0.407ct loose stone
Sale price¥8,800
Colombian emerald with pyrite 0.248ct rough stone
Sale price¥12,800
Colombian oil-free emerald 0.310ct loose stone
Sale price¥298,000
Brazilian Dumortierite in Quartz 0.495ct loose stone
Sale price¥5,980
Brazilian Dumortierite in Quartz 0.387ct loose stone
Sale price¥5,980
Brazilian Dumortierite in Quartz 0.432ct Loose Stone
Sale price¥6,980
Madagascar Pezzottaite 0.554ct loose stone
Sale price¥19,800
Namibian Hemimorphite 0.736ct Loose Stone
Sale price¥8,800
Bicolor Fluorite 0.582ct Loose
Sale price¥5,980
Bicolor Fluorite 0.528ct Loose
Sale price¥6,980
Green tourmaline 0.621ct loose stone
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.