Geology 101: Natural Processes that Form Colored Gemstones | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 1:12:13 4 years ago 105 441 Скачать Далее
Color-Change Diamonds | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 57:58 3 years ago 6 994 Скачать Далее
Natural Green Diamonds | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 59:17 3 years ago 13 122 Скачать Далее
Natural Pink Diamonds | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 49:30 3 years ago 7 350 Скачать Далее
Natural Blue Diamonds | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 58:09 3 years ago 6 762 Скачать Далее
Geology 102: Natural Processes that Form Colored Gemstones | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 1:04:18 3 years ago 19 474 Скачать Далее
Diamond Color Treatment and Its Identification | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 57:24 4 years ago 15 621 Скачать Далее
Natural Yellow & Orange Diamonds | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 51:15 3 years ago 9 693 Скачать Далее
NSN Webinar Series: 2024 International Observe the Moon Night NASA Night Sky Network 1:04:11 Streamed 2 days ago 597 Скачать Далее
Glowing Diamonds | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 52:40 3 years ago 9 343 Скачать Далее
Colorless Diamonds | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 55:29 3 years ago 10 039 Скачать Далее
The Science Behind Fancy Color Diamonds | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 58:55 4 years ago 13 302 Скачать Далее
Understanding the Origin of Natural Diamonds | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 58:48 2 years ago 11 773 Скачать Далее
Laboratory-Grown Colored Gemstones: Crystal Growth Methods | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 58:05 3 years ago 8 614 Скачать Далее
A Comparison of Diamonds and Colored Stones | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 1:26:52 3 years ago 45 451 Скачать Далее
Webinar: Color Management with the Hasselblad Natural Color Solution Hasselblad 57:24 4 years ago 9 190 Скачать Далее
An Overview of Pearl Identification Techniques | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 59:58 4 years ago 9 349 Скачать Далее
Unusual Phenomenal Colored Stones | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 53:11 2 years ago 10 998 Скачать Далее
The Unique Story of Natural Diamond | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 45:43 4 years ago 22 215 Скачать Далее
Color 101: How to Wear the Right Colors (Webinar Replay) Brock McGoff 59:18 9 years ago 227 203 Скачать Далее