Provenance matters, especially for collectors.
Useful links:
https://www.cglgrs.com
http://gemresearch.ch
https://www.diamonds.net/News/NewsItem.aspx?ArticleID=64317&ArticleTitle=Labs%2bIdentify%2bFingerprint%2bfor%2bArgyle%2bPinks
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.
Translate
Showing posts with label GemResearch Swisslab. Show all posts
Showing posts with label GemResearch Swisslab. Show all posts
Friday, December 13, 2019
Subscribe to:
Posts (Atom)