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Jeremejevite 0.094ct loose Sale price¥8,800

Jeremejevite 0.055ct loose Sale price¥8,800

Red beryl 0.098ct loose Sale price¥22,800

Red beryl 0.059ct loose Sale price¥12,800

Red beryl 0.054ct loose Sale price¥13,800

Benitoite 0.076ct loose Sale price¥25,800

Benitoite 0.075ct loose Sale price¥25,800

Benitoite 0.074ct loose Sale price¥19,800

Benitoite 0.052ct loose Sale price¥19,800

Sold out ブラジル産パライバトルマリン 0.051ctルース(CuO:1.3%、MnO:1.4%)
Sold out レッドダイヤモンド(トリートメント) 0.063ctルース(FANCY PURPLISH RED, SI2)
Sold out ロシア産デマントイドガーネット(ホーステール認む) 2.6mm/0.088ctルース
Sold out アウイナイト 0.072ctルース
Sold out アウイナイト 0.098ctルース
Sold out アウイナイト 0.092ctルース
Sold out アウイナイト 0.053ctルース
Sold out アウイナイト 0.066ctルース
Sold out アフガニスタン産ハックマナイト 0.063ctルース
Sold out ブラジル産アレキサンドライト 0.058ctルース
Sold out ミャンマー産マスグラバイト 0.090ctルース GLT鑑
Sold out ブラジル産非加熱ブラジル産パライバトルマリン 0.034ctルース(CuO:2.2%、MnO:2.6%)
Sold out ヴェイリネナイト 0.068ルース
Sold out [12555515] American Neptunite 0.040ct loose stone

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.