Share: Title:GIA Gemological Laboratory by GIA Duration: 5:46 Plays: 147K views Published: 8 years ago Download MP3 Download MP4 Simillar Videos ▶️ 1:12:13 Geology 101: Natural Processes That Form Colored Gemstones | Gia Knowledge Sessions Webinar Series 147K views • 4 years ago ▶️ 4:20 How To Choose A Diamond: Four-minute Gia Diamond Grading Guide By Gia 147K views • 9 years ago ▶️ 1:55 Natural & Lab-grown Diamonds: What's The Difference? 147K views • 3 months ago ▶️ 5:38 Gia’s Professional Education By Gia 147K views • 8 years ago