Australian black opal 1.168ct loose stone
Sale price¥39,800
Blue Tourmaline 1.460ct Loose Stone Japan-Germany Exchange
Sale price¥39,800
Mexican bicolor Danburite 1.932ct loose stone by Nikkei
Sale price¥29,800
[Rouge Cut] Mexican Fire Opal 1.458ct Loose Stone
Sale price¥18,800
Mozambican Almandine Garnet 1.363ct Loose Stone
Sale price¥12,800
Indian Black Moonstone 1.871ct Loose Gemstone
Sale price¥12,800
Brazilian dumortierite in quartz 1.060ct loose (faceted cut)
Sale price¥9,800
American Oregon Sunstone 7.0mm/1.494ct Loose
Sale price¥35,800
USA-origin Oregon Sunstone, 7.0mm/1.356ct loose
Sale price¥35,800
South African Rhodochrosite 1.820ct Loose Stone
Sale price¥128,000
Brazilian Medusa Quartz (Paraiba Quartz) 1.317ct loose
Sale price¥18,800
Brazilian Paraiba tourmaline in quartz 1.602ct loose
Sale price¥39,800
Myanmar color change zircon 1.00ct loose (reverse color change)
Sale price¥69,800
1.053 ct Loose Australian Rainbow Lattice Sunstone
Sale price¥8,800
Spanish Sphalerite 6.7mm/1.468ct Loose
Sale price¥25,800
Spanish Sphalerite 7.1mm/1.708ct Loose Stone
Sale price¥29,800
Bicolor Sphalerite from Spain 6.6mm/1.496ct Loose
Sale price¥25,800
Green tourmaline 1.687ct loose
Sale price¥12,800
Mexican Hyalite Opal 7.5mm/1.221ct Loose (Faceted Cut)
Sale price¥12,800
Strawberry quartz from Kazakhstan 1.613ct loose
Sale price¥9,800
Strawberry quartz from Kazakhstan 1.031ct loose
Sale price¥7,980
Copper rutilated quartz 1.135ct loose
Sale price¥5,980
Copper rutilated quartz 1.165ct loose
Sale price¥5,980
Oregon Sunstone from the United States, 7.0mm/1.260ct loose stone
Sale price¥12,800
Oregon Sunstone from USA 7.1mm/1.308ct Loose Stone
Sale price¥19,800
Brazilian Dumortierite in Quartz 1.266ct Loose Stone
Sale price¥12,800
Brazilian Dumortierite in Quartz 1.383ct Loose Gemstone
Sale price¥14,800
Brazilian Dumortierite in Quartz 1.559ct Loose Stone
Sale price¥9,800
Brazilian Dumortierite in Quartz 1.112ct Loose Gemstone (Faceted Cut)
Sale price¥11,000
Synthetic Blue Sapphire 1.551ct Loose Stone (Synthetic Sapphire)
Sale price¥15,800
Tanzanian Rhodolite Garnet 1.765ct Loose Gemstone
Sale price¥18,800
Tanzanian Rhodolite Garnet 1.203ct Loose
Sale price¥12,800
Mozambique Almandine Garnet 6.7mm/1.228ct Loose Stone
Sale price¥9,800
Sri Lankan Hessonite Garnet Loose Stone, 6.5mm/1.353ct
Sale price¥12,800
Cambodian Colorless Zircon 1.121ct Loose Stone
Sale price¥18,800
1.362ct loose Oregon sunstone from the United States
Sale price¥29,800
Tanzanian Rhodolite Garnet 1.194ct Loose Stone
Sale price¥15,800
Sri Lankan Hessonite Garnet 1.674ct Loose Stone
Sale price¥15,800
Congo Cobalt Calcite 1.439ct Loose Stone
Sale price¥18,800
Sri Lankan Chrysoberyl Cat's Eye 1.340ct Loose Stone
Sale price¥6,980
Sri Lankan Moonstone 1.578ct Loose Gemstone
Sale price¥12,800
Oregon Sunstone 1.507ct loose
Sale price¥9,800
Cambodian blue zircon 1.126ct loose stone
Sale price¥18,800
Tanzanian Sunstone 1.477ct Loose Stone
Sale price¥15,800
Cambodian blue zircon, 7.0mm/1.962ct loose
Sale price¥39,800
Green tourmaline 1.258ct 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.