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 Paraiba Tourmaline. Show all posts
Showing posts with label Paraiba Tourmaline. Show all posts
Wednesday, June 15, 2022
A Rare Paraiba Tourmaline And Diamond Ring
The piece, which carries an estimate of HKD 3.8 million (US$484247) will go up for auction on June 22, 2022 at Bonhams Hong Kong. We shall wait and see for the real price.
Useful link:
Tuesday, March 17, 2020
Geographic Origin Determination Of Paraíba Tourmaline
An insightful report by the GIA on Paraiba tourmaline. Must read.
Useful link:
https://www.gia.edu/gems-gemology/winter-2019-paraiba-tourmaline-geographic-origin-determination
Useful link:
https://www.gia.edu/gems-gemology/winter-2019-paraiba-tourmaline-geographic-origin-determination
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