Parasitic Peridot 0.220ct Loose Stone with Certificate
Sale price¥79,800
Unheated Brazilian Paraiba tourmaline 0.110ct loose AIGS
Sale price¥258,000
American Benitoite 0.242ct Loose
Sale price¥158,000
0.079ct Loose Brazilian Paraiba Tourmaline (CuO: 1.6% MnO: 2.8%)
Sale price¥29,800
Paraiba Tourmaline Loose Stone from Brazil 0.068ct (CuO: 1.1% MnO: 0.1%)
Sale price¥45,800
Brazilian Paraiba Tourmaline 0.052ct Loose Stone (CuO:1.2% MnO:1.2%)
Sale price¥35,800
Brazilian Paraiba Tourmaline 0.052ct Loose Stone (CuO:1.4% MnO:1.1%)
Sale price¥35,800
Brazilian Paraiba Tourmaline 0.051ct Loose Stone (CuO:1.1% MnO:0.6%)
Sale price¥35,800
Brazilian Paraiba Tourmaline 0.048ct (CuO:1.5% MnO:1.0%)
Sale price¥35,800
Indonesian Parasitic Peridot 0.276ct Loose Stone
Sale price¥98,000
Madagascar Pezzottaite 0.229ct loose stone
Sale price¥15,800
Madagascar Pezzottaite 0.554ct loose stone
Sale price¥15,800
Mexican Fire Opal 1.833ct Loose
Sale price¥39,800
Mexican Fire Opal 1.424ct Loose
Sale price¥39,800
Mexican Fire Opal 2.235ct Loose
Sale price¥19,800
Mexican Fire Opal 1.743ct Loose
Sale price¥18,800
Mexican Fire Opal 3.425ct Loose
Sale price¥22,800
Bicolor tourmaline 1.198ct loose
Sale price¥12,800
Brazilian Paraiba tourmaline in quartz 0.819ct loose
Sale price¥14,800
2.946 ct loose barite from Guizhou, China, with a gemological report
Sale price¥69,800
Australian black opal 2.277ct loose stone (play of color on both sides)
Sale price¥34,800
Sky blue topaz 0.563ct loose stone
Sale price¥5,980
Sky blue topaz 0.428ct loose stone
Sale price¥5,980
Bicolor tourmaline 0.423ct loose
Sale price¥12,800
Bicolor tourmaline 0.552ct loose
Sale price¥12,800
Bicolor tourmaline 0.548ct loose
Sale price¥6,980
Australian black opal 0.251ct loose stone
Sale price¥9,800
Australian black opal 0.439ct loose
Sale price¥11,800
Loose Australian Black Opal 0.397ct
Sale price¥12,800
Australian Black Opal 0.329ct Loose
Sale price¥14,800
Australian Black Opal 0.377 ct Loose
Sale price¥15,800
Australian Black Opal 0.448ct Loose Stone
Sale price¥15,800
[On sale May 3rd, 10 PM JST] Australian Black Opal Loose Stone 0.529ct
Sale price¥15,800
[On sale May 3, 10 PM JST] Australian Black Opal 0.667ct Loose Stone
Sale price¥12,800
Australian Black Opal 1.705ct Loose
Sale price¥12,800
Australian Black Opal 0.362ct Loose
Sale price¥18,800
[On Sale May 3, 10 PM JST] Australian Black Opal 0.385ct Loose Gemstone
Sale price¥18,800
[On sale 10 PM on May 6] Australian Black Opal 0.509ct Loose Stone
Sale price¥14,800
[On sale May 13 at 10 PM] Australian Black Opal 0.525ct Loose Stone
Sale price¥12,800
Australian black opal, 0.666ct loose
Sale price¥12,800
Australian black opal, 0.336ct loose stone
Sale price¥19,800
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.