Spodumene 1.844ct loose stone
Sale price¥12,800
Tanzania Color Change Chrome Tourmaline 13.194ct Loose Stone Chuhokan
Sale price¥398,000
[Takeshi Yamamoto] Bicolor fluorite 15.624ct loose stone
Sale price¥45,800
Colombian emerald 3.5mm/0.150ct loose stone
Sale price¥22,800
Brazilian Alexandrite 0.519ct loose stone (sugarloaf cut)
Sale price¥358,000
Non-Oil Emerald 1.070ct Loose Gübelin Certificate
Sale price¥698,000
Emerald 0.484ct loose
Sale price¥18,800
Madagascar Apatite 1.038ct Loose
Sale price¥12,800
Tanzania Green Zoisite 0.335ct Loose Stone
Sale price¥12,800
Brazilian Green Tourmaline 0.703ct Loose Stone
Sale price¥15,800
Brazilian Green Tourmaline 0.764ct Loose Stone
Sale price¥9,800
Brazilian bicolor tourmaline 0.675ct loose stone
Sale price¥9,800
Brazilian Paraiba Tourmaline 0.167ct loose stone (CuO: 1.1%, MnO: 3.6%)
Sale price¥69,800
Oregon Sunstone from the United States 4.0mm/0.206ct loose stone
Sale price¥8,800
Brazilian bicolor tourmaline cat's eye 22.056ct loose stone
Sale price¥198,000
Congo Bicolor Tourmaline 3.429ct Loose
Sale price¥128,000
Oregon Sunstone from the United States 5.0mm/0.460ct loose stone
Sale price¥19,800
Tibetan bicolor andesine 1.542ct loose stone
Sale price¥14,800
Colombian Trapiche Emerald 1.494ct Loose
Sale price¥69,800
Non-Oil Emerald 1.030ct Loose Gübelin Gübelin Certificate
Sale price¥698,000
Indian Moss Agate 0.755ct Loose Stone
Sale price¥7,980
Indian Moss Agate 1.434ct Loose Stone
Sale price¥12,800
Brazilian Green Tourmaline 1.059ct Loose Stone
Sale price¥16,800
Brazilian Green Tourmaline 0.350ct Loose
Sale price¥9,800
Brazilian alexandrite 0.081ct loose
Sale price¥16,800
Oregon Sunstone from the United States 6.0mm/0.844ct loose stone
Sale price¥25,800
Brazilian Green Tourmaline 1.333ct Loose Stone
Sale price¥49,800
Brazilian Green Tourmaline 2.907ct Loose Stone
Sale price¥98,000
Brazilian Green Tourmaline 0.935ct Loose Stone
Sale price¥45,800
Brazilian Green Tourmaline 1.193ct Loose Stone
Sale price¥49,800
Brazilian Green Tourmaline 11.453ct Loose Stone
Sale price¥158,000
Brazilian Green Tourmaline 9.495ct Loose
Sale price¥128,000
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.365ct Loose Stone
Sale price¥18,800
Brazilian Green Tourmaline 4.374ct Loose Stone
Sale price¥98,000
Nigerian Green Beryl 1.349ct Loose Stone
Sale price¥98,000
Madagascar Grandidierite 0.521ct loose stone
Sale price¥128,000
Brazilian parti-color tourmaline 2.702ct loose stone
Sale price¥69,800
Myanmar Ubaite Tourmaline 4.0mm/0.251ct Loose Stone
Sale price¥22,800
Tanzania Green Apatite 0.246ct Loose Stone
Sale price¥8,800
Tanzania Green Apatite 0.190ct Loose Stone
Sale price¥6,980
Tanzania Green Apatite 0.329ct Loose Stone
Sale price¥8,800
Emerald 0.308ct loose stone
Sale price¥14,800
Brazilian Alexandrite 0.069ct loose stone (princess cut)
Sale price¥17,800
Brazilian Alexandrite 0.072ct loose stone (princess cut)
Sale price¥18,800
Brazilian Green Tourmaline 12.252ct Loose Stone
Sale price¥398,000
Colombian pyrite in emerald 6.415ct loose stone
Sale price¥298,000
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.