I think the 4Cs are a bit outdated. The world has changed.
Useful link:
https://www.diamonds.net/News/NewsItem.aspx?ArticleID=63680&ArticleTitle=Do%2bthe%2b4Cs%2bStill%2bMake%2bthe%2bGrade%253f
P.J.Joseph's Weblog On Colored Stones, Diamonds, Gem Identification, Synthetics, Treatments, Imitations, Pearls, Organic Gems, Gem And Jewelry Enterprises, Gem Markets, Watches, Gem History, Books, Comics, Cryptocurrency, Designs, Films, Flowers, Wine, Tea, Coffee, Chocolate, Graphic Novels, New Business Models, Technology, Artificial Intelligence, Robotics, Energy, Education, Environment, Music, Art, Commodities, Travel, Photography, Antiques, Random Thoughts, and Things He Like.
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Showing posts with label 4Cs. Show all posts
Showing posts with label 4Cs. Show all posts
Tuesday, June 04, 2019
Thursday, November 12, 2015
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