Mexican Cantera Opal 11.885ct Loose
Sale price¥49,800
Bicolor Fluorite 24.682ct Loose
Sale price¥29,800
[Takeshi Yamamoto] Brazilian Rock Crystal 12.725ct Loose
Sale price¥39,800
Brazilian bicolor tourmaline 13.927ct loose stone
Sale price¥198,000
Labradorite from Finland 62.409ct Ruth (Spectrolite)
Sale price¥19,800
Congo Malachite 34.667ct Loose Patch
Sale price¥6,980
Brazilian chlorite in quartz 27.725ct loose stone
Sale price¥19,800
Oligoclase Sunstone 15mm/10.593ct Loose
Sale price¥15,800
Indian Star Garnet 13.090ct Loose Stone (6 Rows)
Sale price¥4,980
Chinese Fluorite 16.590ct Loose Patch
Sale price¥5,980
Labradorite (Spectrolite) from Finland 56.209ct loose
Sale price¥15,800
Indian Moss Agate 19.271ct Loose Stone (Leaf Carving)
Sale price¥6,980
Labradorite (Spectrolite) from Finland 56.702ct loose
Sale price¥14,800
Colombian pyrite-bearing euclase 23.430ct rough stone by Takakikyo
Sale price¥19,800
Colombian pyrite-bearing euclase 37.340ct rough stone by Takakikyo
Sale price¥12,800
[Takeshi Yamamoto] Bicolor Smoky Quartz 10.674ct Loose Stone
Sale price¥39,800
Brazilian pyrite in quartz 57.230ct loose stone
Sale price¥25,800
Colombian emerald 10.940ct rough stone
Sale price¥69,800
Australian Iron Opal 17.450ct Loose
Sale price¥12,800
Australian Boulder Opal 41.770ct Loose
Sale price¥29,800
Australian Boulder Opal 15.020ct Loose
Sale price¥18,800
Australian Boulder Opal 12.220ct Loose
Sale price¥12,800
Indian Star Garnet 14.200ct Loose Stone (6 Rows)
Sale price¥5,980
[Takeshi Yamamoto] Brazilian Ametrine 29.930ct loose stone
Sale price¥79,800
![[Koshu Precious Stone Cutting] Brazilian Sky Blue Topaz 10.60ct Loose Stone [Collaboration] Patch](http://store.karatz.jp/cdn/shop/files/P5120836.jpg?v=1747480996&width=4000)
Mexican Cantera Opal 14.458ct loose stone (faceted cut)
Sale price¥14,800
Indian Star Garnet 13.260ct Loose Stone (6 Rows)
Sale price¥5,980
Congo Andesine 18.643ct Loose Stone Japan-Germany Exchange
Sale price¥69,800
Indian Star Garnet 11.440ct Loose Stone (6 Rows)
Sale price¥5,980
Mexican Cantera Opal 18.00ct Loose
Sale price¥29,800
Brazilian Dumortierite in Quartz 55.207ct Rough Stone
Sale price¥8,800
Brazilian bicolor tourmaline 12.842ct loose
Sale price¥298,000
Brazilian Garden Quartz 15.7mm/12.860ct Loose Stone
Sale price¥4,980
![[Koshu Precious Stone Cut] Bicolor Fluorite 20.850ct Loose Stone [Collaboration] Patch](http://store.karatz.jp/cdn/shop/files/collage_cc003cbe-63f3-4a0a-9253-31012fc79497.png?v=1745533157&width=2000)
[Takeshi Yamamoto] Brazilian Ametrine 24.465ct loose stone
Sale price¥98,000
Brazilian Limonite in Topaz 10.100ct Loose Stone
Sale price¥25,800
Colombian pyrite emerald 27.414ct loose stone
Sale price¥298,000
[Takeshi Yamamoto] Brazilian rose quartz 41.633ct loose stone
Sale price¥59,800
Brazilian Ametrine 11.843ct loose stone
Sale price¥22,800
Brazilian Swiss Blue Topaz 17.410ct Loose
Sale price¥27,800
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.