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Amethyst 4.961ct loose Sale price¥3,980

K18 tanzanite 1ct ring Sale price¥79,800

Fire opal 5.827ct loose Sale price¥22,800

Tourmaline 0.672ct loose Sale price¥3,980

Fluorite 17.87ct loose Sale price¥7,980

Amethyst 34.015ct loose Sale price¥14,800

Amethyst 30.78ct loose Sale price¥19,800

Tourmaline 0.747ct loose Sale price¥5,980

Jeremejevite 0.26ct loose Sale price¥22,800

Additional fee: 7,500 yen Sale price¥7,500

Sold out ピクチャーアゲート 7.292ctルース
Sold out バイカラートルマリン 1.616ctルース
Sold out ブルーサファイア 0.408ctルース
Sold out ビルマ産レッドスピネル 0.165ctルース
Sold out ブラウンダイヤモンド 0.141ctルース
Sold out [On sale at 10pm on 10/16] Russian Demantoid Garnet Cat's Eye (Horsetail Recognized) 2.9mm/0.156ct Loose Stone
Sold out 奈良県天川村産レインボーガーネット(アンドラダイトガーネット) 1.364ctルース

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.