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coming soon 【11/23 22時販売】タンザニア産タンザナイト 6.078ctルース
coming soon 【12555991掲載】合成オパール 0.723ctルース
coming soon 【12555982掲載】メキシコ産オパール(ファセットカット) 0.454ctルース
coming soon 【12555985掲載】メキシコ産ファイアオパール(ファセットカット) 0.838ctルース
coming soon 【12555983掲載】メキシコ産ファイアオパール(ファセットカット) 1.961ctルース
coming soon 【12555997掲載】旧チェコスロバキア産モルダバイト 0.220ctルース
coming soon 【11/22 22時販売】ブラジル産ロッククリスタル1.105ct1石ルース(内部に特徴的インクルージョン) 日独鑑 《複数購入割引有》
coming soon [12555995] Myanmar spinel 0.402ct loose stone
coming soon [12555508] American Neptunite 0.076ct loose stone
coming soon [12555515] American Neptunite 0.040ct loose stone
coming soon [12555993] Myanmar spinel 0.263ct loose stone
coming soon 【12555999掲載】マダガスカル産アパタイト 1.000ctルース
coming soon 【12556001掲載】マダガスカル産アパタイト 0.584ctルース
coming soon 【12556002掲載】マダガスカル産アパタイト 0.916ctルース
coming soon 【12556003掲載】マダガスカル産アパタイト 1.503ctルース
Sold out エメラルドインクォーツ 3.642ctルース
Sold out [12555988] Synthetic opal 1.598ct loose stone
Sold out [12555507] American Neptunite 0.162ct loose stone
Sold out 【12536115掲載】アフガナイト 1.388ctルース
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)

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.