Bicolor sapphire 0.143ct loose
Sale price¥8,800
Bicolor sapphire 0.481ct loose
Sale price¥25,800
Synthetic Alexandrite 0.330ct loose stone
Sale price¥9,800
Synthetic Alexandrite 0.282ct loose stone
Sale price¥9,800
Brazilian Santa Maria Aquamarine 0.206ct loose stone
Sale price¥12,800
Russian Diopside 0.402ct Loose Stone
Sale price¥8,800
Purple sapphire 0.419ct loose stone
Sale price¥15,800
Burmese Red Spinel 3.6mm/0.216ct Loose Stone
Sale price¥8,800
Oregon Sunstone from the United States 5.0mm/0.460ct loose stone
Sale price¥19,800
Oregon Sunstone 0.462ct loose
Sale price¥6,980
Johachidolite from Myanmar 0.332ct loose
Sale price¥39,800
Bicolor tourmaline 0.549ct loose (rose cut)
Sale price¥9,800
Bicolor Zoisite 2.481ct loose
Sale price¥69,800
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.