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Sold out 【11/19 22時販売】タンザニア産バイカラーサファイア 0.713ctルース(カラーシフト)
Sold out ノンオイルエメラルド 1.76ctルース GIA
Sold out マダガスカル産スフェーン 2.471ctルース
Sold out 非加熱ブルーサファイア 1.320ctルース
Sold out アルマンディンガーネット 1.190ctルース
Sold out インド産アンデシン・ラブラドライト(通称名 レインボームーンストーン) 0.865ctルース
Sold out アイスブルーダイヤモンド 0.055ctルース
Sold out アイスブルーダイヤモンド 0.053ctルース
Sold out 合成モアッサナイト(ピンク) 0.870ctルース
Sold out Ethiopian Opal 0.394ct Loose (Heart Shape, Faceted Cut)

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.