Benitoite 2.2mm/0.229ct loose
Sale price¥57,800
Andalusite 0.604ct loose
Sale price¥6,980
Synthetic moissanite 0.372ct loose
Sale price¥9,800
Mint color tourmaline 0.115ct loose
Sale price¥5,980
Zircon 1.800ct loose
Sale price¥6,980
Pink tourmaline 1.690ct loose
Sale price¥39,800
Tanzanite 1.593ct loose
Sale price¥15,800
Gacha sapphire 0.268ct loose stone
Sale price¥26,800
Brazilian emerald 3.2mm/0.124ct loose
Sale price¥25,800
Purple spinel 0.754ct loose
Sale price¥9,800
Blue spinel 1.949ct loose
Sale price¥29,800
Lavender spinel 0.305ct loose
Sale price¥7,980
British Rosary Fluorite 1.841ct loose
Sale price¥5,980
Cornel pin cat's eye 0.513ct loose
Sale price¥6,980
Cornel pin cat's eye 0.872ct loose
Sale price¥6,980
Tanzanite 1.360ct loose stone
Sale price¥49,800
Diamond 0.348ct loose (I, SI1)
Sale price¥59,800
Yellow diamond 0.190ct loose (FANCY DEEP ORANGY YELLOW, SI2)
Sale price¥39,800
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.