Skip to content

0.1ct - 2.0ct

Sort by

Yellow Beryl 0.520ct loose Sale price¥8,800

Red spinel 0.240ct loose Sale price¥8,800

Orange spinel 0.202ct loose Sale price¥15,800

Aquamarine 0.807ct loose Sale price¥9,800

Yellow Beryl 0.550ct loose Sale price¥4,980

Purple spinel 0.680ct loose Sale price¥9,800

Spinel 0.790ct loose Sale price¥9,800

Purple spinel 0.730ct loose Sale price¥8,800

Andesine 1.380ct loose Sale price¥12,800

Andesine 1.370ct loose Sale price¥12,800

Andesine 1.240ct loose Sale price¥14,800

Red spinel 0.79ct loose Sale price¥5,980

Red spinel 0.460ct loose Sale price¥3,980

Morganite 1.155ct loose Sale price¥4,980

Fire opal 1.988ct loose Sale price¥15,800

Andesine 1.449ct loose Sale price¥8,800

[KEN] Apatite 0.452ct loose Sale price¥5,980

Fire opal 1.720ct loose Sale price¥12,800

Fire opal 1.300ct loose Sale price¥9,800

Opal 1.120ct loose Sale price¥6,980

Fire opal 1.030ct loose Sale price¥8,800

Opal 0.860ct loose Sale price¥5,980

Fire opal 0.490ct loose Sale price¥3,980

Fire opal 0.400ct loose Sale price¥3,980

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.