Month: May 2018

  • Calibration of gems

    Calibration of gems

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    Calibrated gems in the jewellery industry are when gems are made available in standard sizes to simplify the design process for jewellers. For example: a jeweller knows when designing a ring that will be set with white round brilliant cubic zirconias, that they are available in sizes 1 mm, 1.25 mm, 1.5 mm, 1.75 mm,…