Gemology Courses Online Free (updated 2025-03-10)

Gem Tools Refractometer

Duration: 12:01
47.2K views | May 18, 2021

GIA Gemological Laboratory by GIA

Duration: 5:46
148.9K views | Sep 16, 2015

How Do Gemstones Form

Duration: 7:32
279.5K views | Feb 17, 2017

JOUR 111 Ethics in Public Relations

Duration: 51:27
31.9K views | Jul 12, 2013

GIA’s Professional Education by GIA

Duration: 5:38
60.9K views | Sep 16, 2015

SPT Countertop Dishwasher Setup amp Review For Small Kitchens

Duration: 3:25
120.9K views | Dec 16, 2018

Online Jewellery Designing Courses CADCAM Free Demo Class

Duration: 8:02
221.7K views | Nov 24, 2016

How to Become a Qualified Gemologist

Duration: 4:29
20.5K views | Jul 12, 2020

GemA Education How to use the refractometer

Duration: 9:48
28.4K views | Oct 29, 2020

Gemstones Formation how do gemstone form

Duration: 1:41
17.1K views | Jul 31, 2019

Mario Kart Wii 12 Wii Longplay

Duration: 2:07:04
304.7K views | Oct 2, 2018

Lesson1 JEWELRY DESIGN COURSE FREE Introduce To Jewelry Design

Duration: 7:12
57.6K views | Mar 2, 2021

GemA Live Understanding Gemstone Species and Varieties

Duration: 1:11:32
267.8K views | May 21, 2020

Solo A Star Wars Story quotHolochessquot Clip

Duration: 0:44
219.2K views | May 9, 2018

The 1 factor in gemstone price

Duration: 10:34
27.6K views | Jan 3, 2020

5 Simple Gem Tests Anyone Can Do Unboxing

Duration: 20:27
211.2K views | Mar 30, 2021

How to Choose a Diamond FourMinute GIA Diamond Grading Guide by GIA

Duration: 4:20
1.3M views | Jul 21, 2014

Free Online Courses at Harvard Medical School How to Enroll

Duration: 2:04
54.6K views | Mar 8, 2021

How to Classify a Lead Glass–Filled Ruby by GIA

Duration: 5:28
163.6K views | Jul 21, 2014

Diamond Manufacturing Process Step by step DUGEMOLOGY Uday S Dey

Duration: 15:06
4.1M views | Apr 3, 2019

LaboratoryGrown Diamonds Updates and Identification GIA Knowledge Sessions Webinar Series

Duration: 1:03:52
84.5K views | Apr 17, 2020

IGI’s – The Jewelry Design Workshop Episode 1 Start with the basics of designing

Duration: 3:13
124.8K views | May 7, 2019

Gems of the Americas THROWBACK NOSTALGIC throwback nostalgia

Duration: 29:33
70.7K views | Jul 9, 2019

Price Difference between GIA amp IGI Certified Diamonds DUGEMOLOGY

Duration: 11:14
162.2K views | Apr 17, 2021

Introduction to the World’s Foremost Authority on Diamond and Gemstone Knowledge by GIA

Duration: 5:08
13.5K views | Jan 1, 2009

Science of Gems The Science Kids Chemistry 6

Duration: 6:29
13.3K views | Jul 10, 2016

How do you KNOW what a gem is Refractometer Tutorial

Duration: 11:46
56.2K views | Mar 12, 2020

Top 10 Free Certification Courses You Must Do In 2021 Eduonix

Duration: 10:25
62.4K views | Feb 10, 2021

How LaserInscription on Diamonds can make you Fool DUGEMOLOGY

Duration: 7:27
59.1K views | Mar 25, 2020

The Best Online Art Courses That are FREE Right Now

Duration: 9:34
571.5K views | Mar 21, 2020