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5 major gems

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Sold out タイ福袋🇹🇭◆タイで買い付けたばかりの宝石3万円相当(エレーメジェバイト、グレイグリーンサファイア、プラチナスピネル確定:5種8石以上)
coming soon 【12557461掲載】メキシコ産ファイアオパール 0.834ctルース
coming soon 【12557457掲載】ネパール産カイヤナイト 0.793ct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.