Mineralogist Answers Gemstone Questions From Twitter | Tech Support | WIRED WIRED 17:45 5 months ago 652 451 Скачать Далее
World's greatest treasure: crystals and gemstones | FULL DOCUMENTARY SLICE Full Doc 52:52 1 year ago 747 841 Скачать Далее
Sri Lanka Gem Industry | ශ්රී ලංකාවේ මැණික් කර්මාන්තය Travel Voice 21:18 9 months ago 12 487 Скачать Далее
Inside Sri Lanka’s Deadly Underground Mines Filled With Rare Jewels | Risky Business | Insider Insider News 12:59 1 year ago 6 820 213 Скачать Далее
Negotiating Ultra Rare Gems at the Tucson Gem Show Avi The Gem Guy 8:35 1 year ago 693 366 Скачать Далее
Hunting Down A Royal Blue Sapphire: Inside The Gem Trade | In Search Of Precious Stones | Ep 3/4 CNA Insider 46:36 3 years ago 479 992 Скачать Далее
Jaipur's Emerald Industry GIA (Gemological Institute of America) 2:07 4 years ago 97 974 Скачать Далее
Gemstone master shares the secrets of his thriving jewelry business in Shanghai CGTN 3:59 5 years ago 11 963 Скачать Далее
Lorenzo Gem Stone Division GIA (Gemological Institute of America) 3:49 4 years ago 2 849 Скачать Далее
How People Risk Their Lives Hunting For Gems, Pearls, and Gold | Risky Business | Insider News Insider News 49:34 1 year ago 4 167 535 Скачать Далее
Can Diamonds Made In A Lab Replace Natural Ones? | Rise And Fall Business Insider 9:13 2 years ago 1 836 180 Скачать Далее
GRS Gemresearch Documentary: Sapphire Mining in Madagascar (2008) GRS Gemresearch Swisslab 36:38 2 years ago 104 977 Скачать Далее
Why Benitoite Gemstones Are So Expensive | So Expensive | Business Insider Business Insider 7:13 2 years ago 1 114 410 Скачать Далее
Lifecycle of Gemstones | Farm to Table Gemstone Style Gemstones 4:43 2 years ago 72 381 Скачать Далее
Chasing Color: A Gem Trader’s Journey (2019) Original Short Film 24 mins Rockstoc LLC 24:14 1 year ago 13 356 Скачать Далее