I was lucky enough to view and inspect the rough blue sapphire from Madagascar in 1995 in Bangkok before cutting. What a detour!
Useful link:
https://www.nationaljeweler.com/diamonds-gems/supply/6989-chinese-co-buys-61-500-carat-sapphire-for-50m
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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