JCK Online - November 1, 1995
Cover Story
Electronic Diamond Color Grader Stirs Debate
A new debate over diamond color grading is shaping up, and it's a battle of man vs. machine. The machine is an electronic grader called the Gran Colorimeter. An Israeli manufacturer introduced the instrument 11/2 years ago, but it's only now making an impact, thanks to a new full-fledged marketing program to retailers and the diamond trade.
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