Spanish Sphalerite 7.0mm/1.753ct loose stone
Sale price¥35,800
Sri Lankan Chrysoberyl Cat's Eye 1.074ct Loose Stone
Sale price¥5,980
Sri Lankan Chrysoberyl Cat's Eye 1.514ct Loose Stone
Sale price¥6,980
Almandine Garnet 1.471ct Loose Stone
Sale price¥15,800
Synthetic Moissanite 0.634ct loose stone
Sale price¥9,800
Vietnam Yellow Beryl (Heliodor) 0.911ct Loose Stone
Sale price¥8,800
Vietnam Yellow Beryl (Heliodor) 0.904ct Loose Stone
Sale price¥8,800
Synthetic Moissanite 5.8mm/0.682ct Loose Stone
Sale price¥9,800
Synthetic Moissanite 5.8mm/0.678ct Loose Stone
Sale price¥9,800
Blue sapphire 0.231ct loose
Sale price¥9,800
Mexican Cantera Opal 4.158ct Loose
Sale price¥15,800
Mexican Cantera Opal 7.720ct Loose
Sale price¥22,800
Almandine Garnet 1.058ct Loose Stone
Sale price¥12,800
Almandine Garnet 1.485ct Loose Stone
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.349ct Loose
Sale price¥12,800
Russian rough diamond (sawable) 0.088ct loose
Sale price¥22,800
Synthetic Alexandrite 0.287ct loose stone
Sale price¥8,800
Montana Agate 9.528ct Loose
Sale price¥9,800
Oregon Sunstone from the United States 0.736ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.410ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.352ct loose stone
Sale price¥8,800
[Rouge cut] Morganite 2.059ct loose stone
Sale price¥8,800
Tanzanian Lavender Tanzanite 0.577ct Loose Stone
Sale price¥15,800
Tanzanian bicolor tanzanite 0.573ct loose stone
Sale price¥15,800
Tanzanian Lavender Tanzanite 0.558ct Loose Stone
Sale price¥12,800
Brazilian Dendritic Agate 3.575ct Loose Stone
Sale price¥9,800
Brazilian Dendritic Agate 2.788ct Loose Stone
Sale price¥9,800
Brazilian Dendritic Agate 1.679ct Loose Stone
Sale price¥8,800
Tanzanian Lavender Tanzanite 0.382ct Loose Stone
Sale price¥12,800
Tanzanian Lavender Tanzanite 0.498ct Loose Stone
Sale price¥14,800
Colombian oil-free emerald 0.290ct loose stone GIA
Sale price¥198,000
Colombian pyrite in emerald 6.415ct loose stone
Sale price¥298,000
Brazilian Green Tourmaline 12.252ct Loose Stone
Sale price¥398,000
Synthetic Alexandrite 0.471ct loose stone
Sale price¥14,800
Greenland Tugtupite 0.546ct loose stone
Sale price¥29,800
Greenland Tugtupite 0.140ct loose stone
Sale price¥15,800
Tanzania Bicolor Zoisite 0.286ct Loose Stone
Sale price¥8,800
Tanzanite from Tanzania 0.385ct loose stone
Sale price¥9,800
Blue sapphire 0.287ct loose
Sale price¥12,800
Brazilian copper rutilated quartz 1.465ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.560ct loose stone
Sale price¥8,800
Almandine Garnet 1.988ct Loose Stone
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.