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Black opal 2.293ct loose Sale price¥98,000

[KEN] Opal 0.101ct loose Sale price¥8,800

[KEN] Opal 0.458ct loose Sale price¥12,800

[KEN] Opal 0.536ct loose Sale price¥8,800

Hackmanite 0.507ct loose Sale price¥15,800

Hackmanite 0.413ct loose Sale price¥9,800

Hackmanite 0.536ct loose Sale price¥15,800

Cornel pin 1.011ct loose Sale price¥12,800

Bicolor apatite 15.507ct loose Sale price¥128,000

Star spinel 1.295ct loose Sale price¥15,800

KARATZ Custom Made

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.