Fascinating World of Pearls and Shells | GIA Knowledge Sessions Webinar Series Published 2020-05-01 Download video MP4 360p Recommendations 37:34 Field Gemology: A Research Based Approach to Origin Determination | GIA Knowledge Sessions Webinar 1:12:13 Geology 101: Natural Processes that Form Colored Gemstones | GIA Knowledge Sessions Webinar Series 46:10 The Pearl Story 59:58 An Overview of Pearl Identification Techniques | GIA Knowledge Sessions Webinar Series 1:26:52 A Comparison of Diamonds and Colored Stones | GIA Knowledge Sessions Webinar Series 1:05:12 Rough Diamonds: Natural Crystal Shapes & Surface Features | GIA Knowledge Sessions Webinar Series 16:50 Pearls: The Tears of Aphrodite 1:04:34 The Art of Photographing Minerals, Gemstones and Jewelry | GIA Knowledge Sessions Webinar Series 1:03:52 Laboratory-Grown Diamonds: Updates and Identification | GIA Knowledge Sessions Webinar Series 1:04:54 Furnaces, Fluxes and Filling: A Review of Ruby Treatment | GIA Knowledge Sessions Webinar Series 1:00:13 An Exclusive View of the World's Biggest Jade Auction | GIA Knowledge Sessions Webinar Series 18:24 Top 10 | Most Beautiful, Elegant, and Expensive Different type of Pearls 09:31 Why South Sea Pearls Are So Expensive | So Expensive | Business Insider 14:17 Gems of Beach - Abalone Ammolite Coral Conch Pearl & More! 07:15 A History of Pearls 1:09:47 The History of Diamond Cutting and Polishing Technology | GIA Knowledge Sessions Webinar Series 07:40 Why Pearls Are So Expensive | So Expensive 02:59 Formation of a Pearl | Secret Life of Pearls 1:03:33 Emerald Sources: The Grass is Greener on the Other Side | GIA Knowledge Sessions Webinar Series 59:17 Natural Green Diamonds | GIA Knowledge Sessions Webinar Series Similar videos 59:07 Gemstones from the Sea | GIA Knowledge Sessions Webinar Series 59:43 Diving into the GIA 7 Pearl Value Factors™ | GIA Knowledge Sessions Webinar Series 1:10:32 The Microworld of Gemstones | GIA Knowledge Sessions Webinar Series 45:43 The Unique Story of Natural Diamond | GIA Knowledge Sessions Webinar Series 1:16:41 Untold Stories from GIA Field Gemology Expeditions | GIA Knowledge Sessions Webinar Series 1:05:08 Interesting Discoveries from the GIA Laboratory | GIA Knowledge Sessions Webinar Series 1:01:30 Rubies: Connecting Sources, Treatment and Science | GIA Knowledge Sessions Webinar Series 1:15:46 X-Rays and Their Use in Gemology | GIA Knowledge Sessions Webinar Series 57:46 Tools of the Trade | GIA Knowledge Sessions Webinar Series 54:04 The Latest Discoveries from Gems & Gemology | GIA Knowledge Sessions Webinar Series 59:02 The Sapphires of Montana | GIA Knowledge Sessions Webinar Series 1:03:42 Gems of the Southwest | GIA Knowledge Sessions Webinar Series 58:24 Highlights from Gems & Gemology: Spring 2021 Issue | GIA Knowledge Sessions Webinar Series 57:33 The History of Engagement Rings | GIA Knowledge Sessions Webinar Series More results