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glitz/jo posted an update Saturday, Apr 14, 2012, 1:45pm EDT, 13 years, 6 months ago
the answer to the question, "The first major development in diamond cutting came during the later half of the 14th century, what was it?" is putting points on the cut stones. of course i can't find the article i was reading about it now, but it was a big deal when they started using the line of natural growth of the crystals and including points on the backs of the diamonds.