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  1. 合成ダイヤモンドやCBN(立方晶窒化ホウ素)輸入・販売のグローバルダイヤモンド
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  3. NEWS
2021/07/26
Notice of Summer Holidays
Our office will be closed from Aug. 13 to Aug. 16 as a summer holidays. We will resume our business on 17th Aug. 2021. Thank you for your understanding.
2020/02/02
New Fukuoka Back-up Office
2017/08/29
New Bangkok Contact Office
2015/05/11
Office Relocation Notice
2014/04/15
Home Page has been renewed
Global Diamond has renewed their home page on 15 Apr. 2014.
2013/10/10
Our product catalogue updated and available from our website
Our product catalogue updated and available from our website
  • GLOBAL DIAMOND   Please contact us by Telephone or Inquiry Form(Website).
  • Telephone Inquiry
  • tel(+81) 3 6256 8833
  • Website Inquiry
  • contactl