Brazilian alexandrite 0.102ct loose
Sale price¥18,800
Brazilian alexandrite 0.091ct loose
Sale price¥18,800
Andesine Labradorite (commonly known as Rainbow Moonstone) 1.260ct loose
Sale price¥19,800
Andesine Labradorite (commonly known as Rainbow Moonstone) 1.090ct loose
Sale price¥17,800
Andesine Labradorite (commonly known as Rainbow Moonstone) 1.220ct loose
Sale price¥19,800
Synthetic alexandrite 0.660ct loose
Sale price¥11,800
Conch pearl 0.775ct loose《June birthstone》
Sale price¥49,800
[Sakura Incut] Moonstone 11mm loose with patch
Sale price¥39,800
Conch pearl 2.018ct loose (with flame pattern)
Sale price¥49,800
[Cat cut] Rose quartz/moonstone 2 stone set 6mm loose
Sale price¥8,800

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.

The fifth reprint has been decided and is now on sale at bookstores nationwide and online.
Written by KARATZ, book “Jewelry Illustrated Book”
The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.