The Sapphires of Montana | GIA Knowledge Sessions Webinar Series Published 2020-10-08 Download video MP4 360p Download video MP4 720p Recommendations 1:05:05 Playing the Blues: An Overview of Sapphire Treatment | GIA Knowledge Sessions Webinar Series 1:01:42 Identifying Mineral Inclusions in Diamonds | GIA Knowledge Sessions Webinar Series 1:05:21 Sapphires: From Ceylon to Ethiopia | GIA Knowledge Sessions Webinar Series 28:26 Luxembourg: Poverty in Europe's wealthiest country | DW Documentary 13:18 Military families in Hawaii say water tainted by jet fuel made them sick | 60 Minutes 51:56 Burnout - When does work start feeling pointless? | DW Documentary 13:15 How AI causes serious environmental problems (but might also provide solutions) | DW News 58:09 Natural Blue Diamonds | GIA Knowledge Sessions Webinar Series 1:01:30 Rubies: Connecting Sources, Treatment and Science | GIA Knowledge Sessions Webinar Series 16:51 Cool finds with Nexus MP V3 Metal Detector 53:11 Unusual Phenomenal Colored Stones | GIA Knowledge Sessions Webinar Series 57:46 Tools of the Trade | GIA Knowledge Sessions Webinar Series 20:32 Could this be the cut of the year? I'm going in 1:09:47 The History of Diamond Cutting and Polishing Technology | GIA Knowledge Sessions Webinar Series 55:47 Green Gemstones: History, Lore and Gemology | GIA Knowledge Sessions Webinar Series 36:07 How to Start a Home Orchard (COMPLETE GUIDE) 1:03:33 Emerald Sources: The Grass is Greener on the Other Side | GIA Knowledge Sessions Webinar Series 58:55 The Science Behind Fancy Color Diamonds | GIA Knowledge Sessions Webinar Series 1:05:55 Understanding Jadeite | GIA Knowledge Sessions Webinar Series 1:09:59 Microfeatures of Gems: Geologic Implications | GIA Knowledge Sessions Webinar Series Similar videos 54:04 The Latest Discoveries from Gems & Gemology | GIA Knowledge Sessions Webinar Series 1:26:52 A Comparison of Diamonds and Colored Stones | GIA Knowledge Sessions Webinar Series 58:35 GIA Research — Not Just for Scientists | GIA Knowledge Sessions Webinar Series 1:12:13 Geology 101: Natural Processes that Form Colored Gemstones | GIA Knowledge Sessions Webinar Series 58:24 Highlights from Gems & Gemology: Spring 2021 Issue | GIA Knowledge Sessions Webinar Series 58:48 Understanding the Origin of Natural Diamonds | GIA Knowledge Sessions Webinar Series 1:08:31 Red Gemstones: History, Lore and Gemology | GIA Knowledge Sessions Webinar Series 58:21 Untold Stories from GIA Field Gemology Expeditions (Part II) | GIA Knowledge Sessions Webinar Series 59:51 Minerals Discovered and Named at GIA | GIA Knowledge Sessions Webinar Series 58:05 Laboratory-Grown Colored Gemstones: Crystal Growth Methods | GIA Knowledge Sessions Webinar Series 1:16:41 Untold Stories from GIA Field Gemology Expeditions | GIA Knowledge Sessions Webinar Series More results