Mexican Fire Opal 0.593ct Loose (Faceted Cut)
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
Mexican Opal 0.499ct Loose
Sale price¥3,980
Mexican Opal 0.854ct Loose
Sale price¥5,980
Yellow Opal 0.372ct Loose (Faceted Cut)
Sale price¥8,800
Mexican Opal 9.6mm/1.803ct Loose (Contralus Opal)
Sale price¥49,800
Australian black opal 0.650ct loose
Sale price¥15,800
Australian Boulder Opal 41.775 ct Loose Stone
Sale price¥19,800
Australian Boulder Opal 12.216ct Loose
Sale price¥15,800
Australian black opal 1.393ct loose
Sale price¥48,800
Mexican Fire Opal (Faceted) 1.046ct Loose Gemstone
Sale price¥29,800
Australian Opal with Matrix (14.840ct Loose Stone) with Certificate
Sale price¥69,800
8.020 ct Boulder Opal Loose Stone from Australia with Certificate
Sale price¥69,800
Mexican Cantera Opal 17.284ct Loose
Sale price¥39,800
[COLORFUL] Pt900 Opal 2.61ct, Diamond 0.858ct Ring
Sale price¥168,000
[Color-furi] K18 Fire Opal Ring with Certificate of Authenticity
Sale price¥49,800
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
Ethiopian Opal 2.131ct Loose
Sale price¥9,800
Mexican Hyalite Opal 0.774ct Loose (Faceted Cut)
Sale price¥8,800
Mexican Fire Opal (faceted) 0.645ct Loose Stone
Sale price¥18,800
Mexican Cantera Opal 32.560ct Loose
Sale price¥29,800
27.410ct Mexican Cantera Opal Loose Gemstone
Sale price¥25,800
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
Mexican Cantera Opal 3.051ct Loose Stone
Sale price¥18,800
Mexican Cantera Opal 1.867 ct Loose Stone
Sale price¥12,800
6.558ct Loose Australian Black Opal with Certificate of Authenticity
Sale price¥39,800
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
Mexican Cantera Opal 15.195ct Loose
Sale price¥12,800
Australian black opal 2.277ct loose stone (play of color on both sides)
Sale price¥34,800
Mexican egg-in-opal 0.865ct loose stone
Sale price¥12,800
Mexican egg-in-opal 0.672ct loose stone
Sale price¥11,000
Australian black opal 0.439ct loose
Sale price¥11,800
Loose Australian Black Opal 0.397ct
Sale price¥12,800
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.