Letters

COLORIMETER QUESTIONS In the November 1995 issue of JCK I was surprised to find an article about the controversy over the Diamond Colorimeter, a product which we distribute throughout the U.S. While I realize the article was intended only to address the dialogue that the Colorimeter has generated among the gemological laboratories, I was quite disappointed that JCK didn't present a full product performance analysis. The Colorimeter, on the market for nearly two years now, has proven to be a reliable, consistent, and accurate tool for gemologists and retailers. However, no current, daily users of the product were interviewed for your article to offer their opinions and insights into the quality of the grading of the Colorimeter. A true test of the Colorimeter would have been to measure the color of 10 different diamonds on the Colorimeter and then anonymously submit these stones to th
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