Opal 6.560ct loose
Sale price¥39,800
Opal 1.020ct loose
Sale price¥29,800
Black opal 2.293ct loose
Sale price¥98,000
Australian black opal 0.404ct loose stone
Sale price¥9,800
Australian black opal 0.544ct loose stone
Sale price¥18,800
Synthetic Black Opal 5.013ct Loose
Sale price¥59,800
Synthetic black opal 2.996ct loose stone
Sale price¥29,800
Synthetic black opal 1.209ct loose stone
Sale price¥18,800
Australian black opal 0.856ct loose stone
Sale price¥12,800
Australian black opal 1.018ct loose stone
Sale price¥18,800
Australian black opal 0.812ct loose stone
Sale price¥8,800
Australian black opal 4.528ct loose
Sale price¥39,800
Australian black opal 2.591ct loose stone
Sale price¥39,800
Australian black opal 1.399ct loose
Sale price¥22,800
Australian black opal 0.599ct loose stone
Sale price¥18,800
Australian black opal 0.693ct loose stone
Sale price¥8,800
Australian black opal 0.327ct loose stone
Sale price¥7,980
Synthetic Opal (Synthetic Black Opal) 1.467ct Loose
Sale price¥12,800
Synthetic Opal (Synthetic Black Opal) 10.910ct Loose
Sale price¥69,800
Synthetic Opal (Synthetic Black Opal) 1.532ct Loose
Sale price¥15,800
Synthetic Opal (Synthetic Black Opal) 0.723ct Loose
Sale price¥15,800
Synthetic Opal (Synthetic Black Opal) 0.651ct Loose
Sale price¥15,800
Pt900/Pt850 Australian Black Opal 0.37ct Diamond 0.73ct Necklace
Sale price¥198,000
Australian black opal 0.386ct loose stone
Sale price¥39,800
Australian black opal 9.709ct loose stone
Sale price¥158,000
Australian black opal 3.242ct loose stone
Sale price¥69,800
Australian black opal 3.322ct loose stone
Sale price¥98,000
[12551529] Australian black opal 2.233ct loose stone
Sale price¥69,800
[12551148] Australian black opal 3.890ct loose stone
Sale price¥69,800
Australian black opal 3.027ct loose stone
Sale price¥15,800
Australian black opal 0.650ct loose
Sale price¥18,800
Australian black opal 1.107ct loose stone
Sale price¥35,800
Australian black opal 0.977ct loose stone
Sale price¥29,800
Australian black opal 0.407ct loose stone
Sale price¥8,800
Australian black opal 0.410ct loose stone
Sale price¥15,800
Australian black opal 0.294ct loose
Sale price¥8,800
Australian black opal 2.407ct loose
Sale price¥59,800
Australian black opal 1.744ct loose
Sale price¥39,800
Australian black opal 0.959ct loose stone
Sale price¥18,800
Australian black opal 0.296ct loose stone
Sale price¥8,800
Australian black opal 0.357ct loose stone
Sale price¥12,800
Australian black opal 2.277ct loose stone (play of color on both sides)
Sale price¥34,800
Australian black opal 0.559ct loose
Sale price¥12,800
Australian black opal 0.616ct loose
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.