Analytical gem testing is required to identity diamond treatments today. If doubtful, always consult a reputed diamond testing laboratory like the GIA. Many thanks to Gems & Gemoloy.
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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Monday, June 03, 2024
Tuesday, November 22, 2022
Treated Nickel-Rich Green Diamond
Standards test are not enough. Analytical tests are required to identify treatments in diamonds.
Monday, September 05, 2022
10 Carat HPHT-Treated CVD Laboratory-Grown Diamond
Insightful report by GIA researchers. These diamonds will most likely become more commonplace in the future as technology improves.
Monday, June 06, 2022
Unusual Laser Drill Holes In A Laboratory-Grown Diamond
Treatments are done to improve clarity and appearance. Take a look.
Tuesday, May 24, 2022
HPHT-Processed Natural Type Ia Diamond
As technology improves, HPHT treatments will be more common for both natural and laboratory-grown diamonds. Must read.
Thursday, November 04, 2021
Lightbox Now Disclosing Post-Growth Treatments
Lightbox, De Beers' lab-grown diamond brand, has started disclosing the treatments it uses to create its synthetic diamonds---but still believes such disclosures are optional. Why it took so long?