Cabochon Cut
Colombia Emerald Cat's Eye 0.060ct Loose, Hōki Kyō
Sale price¥15,800
[Listed as 12563246] Mexican Fire Opal 1.115ct Loose
Sale price¥25,800
Kochi Prefecture Deep-Red Coral 1.446ct Loose Gemstone
Sale price¥12,800
Red Coral from Kochi Prefecture, 1.119ct Loose Stone
Sale price¥11,800
Kochi Prefecture oxblood coral 1.001ct loose gemstone
Sale price¥12,800
Kochi Prefecture Deep Red Coral 1.290ct Loose Gemstone
Sale price¥12,800
Kochi Prefecture-produced red coral 1.063ct loose gemstone
Sale price¥12,800
Kochi Prefecture produced oxblood coral 1.087ct loose gemstone
Sale price¥12,800
1.082ct Loose Australian Black Opal with Certification
Sale price¥69,800
Australian Black Opal 0.778ct Loose
Sale price¥35,800
Australian Rainbow Lattice Sunstone 2.208ct Loose
Sale price¥22,800
Brazilian Dumortierite in Quartz 1.684ct Loose Gemstone
Sale price¥12,800
Brazilian Dumortierite in Quartz 4.152ct Loose Stone
Sale price¥25,800
Kochi Prefecture-produced red coral (Boke) 4.485ct loose gemstone
Sale price¥98,000
[Lottery Sale 0428_2_07] Watermelon Tourmaline 14.780ct Loose Stone
Sale price¥128,000
Dumortierite in quartz from Brazil 7.3mm/1.729ct loose stone
Sale price¥12,800
Kochi Prefecture oxblood coral 1.593ct loose
Sale price¥9,800
Kochi Prefecture Blood Coral 1.585ct Loose Gemstone
Sale price¥9,800
Kochi Prefecture Aka Sango (Red Coral) 10.209ct Loose Stone
Sale price¥29,800
Sri Lankan Chrysoberyl Cat's Eye 1.514ct Loose Stone
Sale price¥5,980
Sri Lankan Chrysoberyl Cat's Eye 1.074ct Loose Stone
Sale price¥4,980
Australian black opal 3.242ct loose stone
Sale price¥59,800
Madagascar Apatite Cat's Eye 1.734ct Loose Stone Nichisaiko
Sale price¥9,800
Mexican fire opal loose stone, 1.857 ct
Sale price¥25,800
Mexican Fire Opal 2.279ct Loose Stone
Sale price¥15,800
Mexican Fire Opal 0.729 ct Loose Stone
Sale price¥8,800
Australian Black Opal 1.080ct Loose
Sale price¥39,800
0.755 ct Loose Australian Black Opal
Sale price¥12,800
0.520ct Loose Australian Black Opal
Sale price¥13,800
0.798ct Loose Chrysoberyl Cat's Eye from Sri Lanka
Sale price¥12,800
Colombian Trapiche Emerald, 1.874ct Loose Stone with Certification
Sale price¥69,800
Sugilite from South Africa, 0.786ct loose stone
Sale price¥12,800
Sri Lankan Chrysoberyl Cat's Eye 4.1mm/0.490ct Loose
Sale price¥15,800
China Hunan Province Cinnabar 1.056ct Loose Gemstone with Certificate
Sale price¥18,800
Sri Lankan Chrysoberyl Cat's Eye 4.3mm/0.582ct Loose Stone
Sale price¥15,800
Mexican Cantera Opal 17.284ct Loose
Sale price¥39,800
Mexican Cantera Opal 7.520 ct Loose Stone with Appraisal
Sale price¥24,800
Mexican Cantera Opal 5.811 ct Loose Stone with Certificate
Sale price¥29,800
1.758 ct Ruby Loose Stone from Vietnam with Identification Report
Sale price¥49,800
0.689ct Loose Colombian Emerald
Sale price¥18,800
Mexican Cantera Opal 10.379ct Loose Stone
Sale price¥39,800
Mexican Cantera Opal 7.619 ct Loose Stone
Sale price¥25,800
Mexican Cantera Opal 7.207ct Loose
Sale price¥25,800
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.